{"title":"Drain Discharge Capacity Testers","description":"\u003ch2\u003eLongitudinal Drain Flow Testing According to ISO 18325 and ASTM D4716\u003c\/h2\u003e\n\u003cp\u003eThe effectiveness of a prefabricated vertical drain depends on its ability to maintain adequate water flow along its drainage channels while subjected to soil pressure. Drain discharge capacity testing determines how much water can travel through a drain in the longitudinal direction under a constant hydraulic head. This measurement is particularly important before installing band drains in soft clay, where restricted drainage can compromise the intended ground improvement schedule.\u003c\/p\u003e\n\u003cp\u003eQualitest offers vertical and horizontal drain discharge capacity testing systems for geotechnical laboratories, drainage board producers, and ground improvement specialists. The equipment supports testing in accordance with ISO 18325 and ASTM D4716, providing a way to assess drainage performance before products are used in the field.\u003c\/p\u003e\n\u003cp\u003eThe resulting discharge capacity value (qw) is used in well resistance calculations to evaluate how effectively a drain can transport water during soil consolidation. When its flow capacity falls below the required level, excess pore water takes longer to escape, potentially extending the consolidation period. Such deficiencies may remain unnoticed until several months into a preload project if drains are not evaluated beforehand. Laboratory testing provides an opportunity to identify inadequate performance before it affects field operations. The available tester configurations offer different levels of pressure application, water control, and testing flexibility.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eDrain discharge capacity testing is essential for evaluating the hydraulic performance of prefabricated vertical drains used in ground consolidation and soil stabilization projects. It serves manufacturers, contractors, and independent laboratories across several applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDrainage Board Manufacturing: Manufacturers can assess production consistency by checking whether drainage core channels and filter membranes maintain the required water flow characteristics from one production lot to another.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoft Soil Ground Improvement: Contractors and project teams can inspect incoming drainage materials before installation beneath embankments, reclaimed land, and port facilities constructed over soft clay deposits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHighway and Railway Subgrade Works: Testing verifies whether the selected drainage products provide the longitudinal flow capacity assumed in settlement acceleration designs for road and railway embankments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLand Reclamation and Marine Clay Sites: Drain performance verification is particularly important for extended preload operations, where restricted flow through individual drains can increase well resistance and affect the overall construction schedule.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater Conservancy Engineering: Drainage strips used to improve foundations beneath dikes, reservoirs, and canals can be evaluated to establish their discharge capacity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThird-Party Testing Laboratories: Independent laboratories can verify declared product performance and provide test results for supplier assessments, tender submissions, and contractual quality requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDrain Discharge Capacity Tester Range\u003c\/h2\u003e\n\u003cp\u003eQualitest provides three tester configurations to address different laboratory workflows, from regular drainage board production checks to specialized investigations involving high confining pressures. Rather than offering identical testing arrangements, these systems differ in specimen positioning, pressure control, and water preparation.\u003c\/p\u003e\n\u003cp\u003eThe available configurations allow laboratories to select equipment according to their required testing conditions, sample handling preferences, and level of measurement control.\u003c\/p\u003e\n\u003ctable class=\"table table-style-align-center\" align=\"center\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eFrame and Pressure\u003c\/th\u003e\n\u003cth\u003eWater Conditioning\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eQualiGTX™ DDCT V120\u003c\/strong\u003e Automatic Vertical Drain Discharge Capacity Tester\u003c\/td\u003e\n\u003ctd\u003eVertical column, automatic operation\u003c\/td\u003e\n\u003ctd\u003eStandard supply\u003c\/td\u003e\n\u003ctd\u003eDesigned for standard drainage board evaluations, this entry-level bench measures flow through specimens measuring 100 × 450 mm. Its single-phase 220 V power supply and compact 800 × 700 mm footprint make it a practical addition to production quality control laboratories expanding their testing capabilities to include drainage board performance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eQualiGTX™ DDCT H\u003c\/strong\u003e Horizontal Drain Discharge Capacity Tester\u003c\/td\u003e\n\u003ctd\u003eHorizontal frame, constant pressure regulation\u003c\/td\u003e\n\u003ctd\u003eIntegrated thermostatic tank, heating and refrigeration\u003c\/td\u003e\n\u003ctd\u003eDesigned for laboratories that require efficient specimen handling and consistent testing conditions, this mid-range unit combines a 10-inch touchscreen with a rapid specimen-loading system. Its heated and refrigerated water supply maintains stable water viscosity between tests, helping ensure consistent measurement conditions when results collected on different days are compared or recorded within the same quality control program.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eQualiGTX™ DDCT V\u003c\/strong\u003e Vertical Drain Discharge Capacity Tester (350 kPa)\u003c\/td\u003e\n\u003ctd\u003eVertical frame, 10 to 350 kPa confining pressure\u003c\/td\u003e\n\u003ctd\u003eDe-aeration system with dissolved oxygen analyzer, 5 °C to 100 °C thermostatic control\u003c\/td\u003e\n\u003ctd\u003eDesigned for advanced laboratory investigations, this instrument evaluates drainage performance across the entire working stress range without interrupting water flow as the applied load changes. A de-aired water supply, combined with built-in oxygen verification, minimizes the influence of trapped air bubbles that could obstruct flow and distort measurements. This allows researchers to establish a capacity-versus-pressure curve that represents the drainage material's performance rather than interference from air blockage.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eHow to Choose the Right Drain Discharge Capacity Tester\u003c\/h2\u003e\n\u003cp\u003eSelecting a suitable tester depends on the purpose of the evaluation and the conditions under which the drainage material must be assessed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRoutine production inspections: The DDCT V120 is suitable for manufacturers who need regular discharge capacity measurements without requiring a large testing setup. Its automated measurement process, compact footprint, and low power requirements make it a practical option for routine production quality control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequent incoming material inspections: The DDCT H is designed for laboratories handling substantial specimen volumes. Its convenient loading arrangement and temperature-stable water supply help streamline repetitive testing while maintaining measurement consistency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTesting under simulated working pressure: When the objective is to determine how drainage capacity changes under confinement, the DDCT V is the appropriate configuration. It applies confining pressures between 10 and 350 kPa during water flow testing, allowing capacity to be evaluated under applied stress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResearch and standards-based investigations: For research programs, tender evaluations, and ISO 18325 conformance testing, the DDCT V provides the additional water conditioning and verification capabilities required for more controlled testing. Its de-aired water supply and dissolved oxygen verification are particularly important when test results require rigorous scrutiny.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLaboratories with existing geosynthetics testing facilities: Consider the available bench arrangement and specimen handling requirements when selecting between vertical and horizontal frames. After determining the preferred orientation, check that the system provides the pressure range and water conditioning specified by the applicable testing procedure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose Qualitest for Your Drain Discharge Capacity Tester\u003c\/h2\u003e\n\u003cp\u003eSelecting laboratory equipment involves more than comparing specifications. The testing system must suit the materials being evaluated, deliver dependable measurements, and meet the requirements of the applicable standards. Qualitest North America supplies testing and measurement equipment for industrial manufacturers, quality control departments, and specialized laboratories, with technical assistance and calibration services available to support ongoing operations.\u003c\/p\u003e\n\u003cp\u003eThe drain discharge capacity tester range offers different configurations for laboratories with varying testing workloads and control requirements. Qualitest helps customers identify the appropriate system based on the type of drainage specimens, required confining pressure, applicable testing methods, and expected sample volume.\u003c\/p\u003e\n\u003cp\u003eFrom equipment selection and installation to ongoing technical assistance and calibration support, our team helps ensure that your testing setup is aligned with your laboratory's requirements.\u003c\/p\u003e\n\u003ch2\u003eRequest a Quote\u003c\/h2\u003e\n\u003cp\u003eNot sure which configuration fits your testing requirements? Provide details about the drainage product, the confining pressure required by your testing procedure, and the number of specimens you expect to test. The Qualitest team can use this information to recommend a suitable system for your laboratory.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/qualitest.us\/pages\/contact\"\u003eContact the Qualitest team\u003c\/a\u003e to request pricing information and current lead times.\u003c\/p\u003e","products":[{"product_id":"vertical-drain-discharge-capacity-tester-350-kpa","title":"Vertical Drain Discharge Capacity Tester (350 kPa)","description":"\u003ch2\u003e\u003cspan\u003eVertical Drain Discharge Capacity Tester (350 kPa) – QualiGTX™ DDCT V\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eEvaluating how efficiently prefabricated vertical drains remove water from saturated soil requires testing under conditions that reflect the pressures encountered in actual ground improvement projects. The QualiGTX™ DDCT V is designed for this purpose, measuring longitudinal water flow through PVDs at confining pressures ranging from 10 to 350 kPa. It provides geotechnical laboratories, drainage board manufacturers, and ground improvement contractors with the measurements needed to assess whether a drain can deliver the hydraulic performance required by a consolidation design.\u003c\/p\u003e\n\u003cp\u003eThe testing process brings specimen preparation, hydraulic loading, and flow measurement together in one automated operation. Once the drain is secured, the apparatus establishes a constant hydraulic head and directs water through the specimen's drainage core. The discharged volume is measured over a controlled period, allowing the system to calculate discharge capacity without requiring manual collection and stopwatch measurements. Results are displayed on the touchscreen, and a test report is generated for printing or electronic transfer.\u003c\/p\u003e\n\u003cp\u003eMaintaining suitable water conditions is particularly important when measuring flow through narrow drainage channels. Air released from dissolved gases can form bubbles within the specimen, obstructing the flow passages and causing discharge capacity to appear lower than its actual value. To minimize this source of error, the DDCT V features an integrated de-aeration and thermostatic conditioning arrangement with a dissolved oxygen analyzer. Its 50 L stainless steel reservoir provides temperature-controlled water between 5 °C and 100 °C, maintaining the selected setting within ±0.5 °C. The analyzer also enables operators to check dissolved oxygen content before testing rather than relying on unverified water conditions.\u003c\/p\u003e\n\u003cp\u003eHydraulic gradient control is another important part of the measurement process. The industrial touchscreen computer manages specimen clamping, head positioning, timed volume collection, and final calculations. Operators enter the required gradient, and the system automatically adjusts the head difference, with a maximum available difference of 300 mm and gradient accuracy of 0.02. By coordinating these operations electronically, the instrument reduces variations associated with manual adjustments and timing. Laboratories can therefore assess individual band drain specimens under controlled conditions and maintain a documented record of every test.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eVertical Drain Discharge Capacity Tester (350 kPa) – QualiGTX™ DDCT V Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDischarge capacity testing helps determine whether drainage boards retain the required water-flow performance under the loading conditions associated with soft soil consolidation. The QualiGTX™ DDCT V supports this evaluation throughout product manufacturing, project qualification, independent testing, and geotechnical research.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eSoft Soil Ground Improvement:\u003c\/span\u003e\u003cspan\u003e Determines whether prefabricated vertical drains provide the required drainage capacity before installation in projects involving compressible clay, including embankments, ports, and land reclamation developments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003ePVD and Band Drain Production:\u003c\/span\u003e\u003cspan\u003e Enables manufacturers to monitor drainage core channel dimensions and filter jacket performance, helping maintain consistent product quality between manufacturing lots.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eHighway and Railway Construction:\u003c\/span\u003e\u003cspan\u003e Evaluates drainage board performance against the requirements used in settlement acceleration designs for road and railway embankments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003ePort and Land Reclamation Projects:\u003c\/span\u003e\u003cspan\u003e Assesses vertical drains intended for marine clay consolidation, particularly where substantial surcharge loading subjects the drainage system to higher confining pressures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eGeotechnical Research and Development:\u003c\/span\u003e\u003cspan\u003e Allows researchers to examine the effects of applied pressure, core deformation, filter clogging, and long-term creep on the remaining discharge capacity of drainage materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eIndependent Testing and Certification:\u003c\/span\u003e\u003cspan\u003e Provides third-party measurements for checking manufacturer-declared discharge capacity values and supporting compliance with tender specifications and contractual requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eGeotechnical Engineering and Design Validation:\u003c\/span\u003e\u003cspan\u003e Generates well resistance data used in consolidation calculations, engineering models, and settlement forecasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVertical Drain Discharge Capacity Tester (350 kPa) – QualiGTX™ DDCT V Key Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDesigned around the requirements of controlled PVD performance testing, the DDCT V combines mechanical loading, automated hydraulic regulation, conditioned water supply, and electronic data handling. Its principal features include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eCentralized Touchscreen Operation:\u003c\/span\u003e\u003cspan\u003e A single industrial computer manages the complete testing sequence, including specimen positioning, clamping, hydraulic gradient settings, collection timing, and discharge capacity calculations. Technicians can operate the system without relying on separate measurement instruments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAutomated Specimen Securing:\u003c\/span\u003e\u003cspan\u003e The clamping mechanism holds the drainage specimen in position without manual bolting. This simplifies preparation and reduces differences in applied clamping force between operators.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAdjustable Confining Pressure:\u003c\/span\u003e\u003cspan\u003e The 10–350 kPa operating range allows laboratories to investigate drainage performance under pressures associated with both relatively shallow embankments and deep reclamation fills.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eProgrammable Hydraulic Gradient:\u003c\/span\u003e\u003cspan\u003e The apparatus automatically establishes the required head difference based on the operator's input and maintains gradient accuracy to 0.02, helping control a key variable affecting discharge capacity measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eIntegrated Water De-Aeration and Temperature Conditioning:\u003c\/span\u003e\u003cspan\u003e Prepares the supply water by removing dissolved gases and maintaining a controlled temperature, reducing measurement disturbances caused by bubbles forming inside the drain channels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eDissolved Oxygen Monitoring:\u003c\/span\u003e\u003cspan\u003e The built-in analyzer measures dissolved oxygen with 0.01 mg\/L resolution, allowing operators to verify water conditions before starting a test.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eConstant Hydraulic Head:\u003c\/span\u003e\u003cspan\u003e Maintains a stable water level during flow measurement so that changes in the water supply do not cause unwanted variations in the applied gradient.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAutomated Flow Measurement:\u003c\/span\u003e\u003cspan\u003e Collects and measures discharged water while recording elapsed time. The system uses these measurements to calculate discharge capacity and generate the corresponding report.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e50 L Stainless Steel Reservoir:\u003c\/span\u003e\u003cspan\u003e Provides the conditioned water supply in a corrosion-resistant tank sized to support extended testing operations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eHeating and Cooling Capability:\u003c\/span\u003e\u003cspan\u003e Covers temperatures from 5 °C to 100 °C. The system takes approximately 30 minutes to heat water from ambient temperature to boiling and approximately 90 minutes to cool it from boiling to 20 °C.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eSelf-Regulating PID Temperature Management:\u003c\/span\u003e\u003cspan\u003e Uses self-tuning PID control to respond to changing thermal loads automatically and correct measurement deviation to 0.1 °C.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eDual Fluid Circulation Options:\u003c\/span\u003e\u003cspan\u003e Offers internal circulation within the reservoir and external circulation for supplying conditioned fluid to another vessel. These modes allow the bath to support both internal temperature regulation and external heating or cooling applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAluminum Alloy Clamping Assembly:\u003c\/span\u003e\u003cspan\u003e Maintains the specimen's flat, parallel position under applied pressure while providing corrosion resistance during prolonged contact with water.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e304 Stainless Steel Worktable Container:\u003c\/span\u003e\u003cspan\u003e Combines a stainless steel construction with an electrostatic powder-coated surface to provide a practical working area for wet laboratory conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eSilicone Sealing Components:\u003c\/span\u003e\u003cspan\u003e Corrosion-resistant silicone seals prevent water from escaping the specimen chamber during repeated pressure cycles, helping ensure that collected water represents actual flow through the drainage specimen.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAir-Cooled Refrigeration Arrangement:\u003c\/span\u003e\u003cspan\u003e Uses an outdoor condensing unit to reduce noise and energy consumption within the laboratory.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eElectronic Reports and Data Export:\u003c\/span\u003e\u003cspan\u003e Generates printable test documentation and exportable data files, supporting internal quality records, customer reporting, and audit requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTheory and Method\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe purpose of a vertical drain discharge capacity test is to establish how much water a drainage product can convey along its length under a specified hydraulic gradient. This property is represented by \u003c\/span\u003e\u003cspan\u003e\u003cspan data-math-source=\"q_w\" data-math-display=\"false\"\u003e\\(q_w\\)\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e and provides designers with information about the drain's ability to transport pore water during soil consolidation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe measurement is based on Darcy's law. Rather than allowing the hydraulic conditions to vary throughout the test, the apparatus maintains a defined gradient and measures the volume of water passing through the drain over a known period. The collected volume and elapsed time establish the flow rate, which is then divided by the applied hydraulic gradient to calculate qw\u003c\/span\u003e\u003cspan\u003e. The method assumes laminar flow; therefore, gradient settings must remain within limits that prevent turbulence from affecting the measured capacity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, the drainage capacity measured under no load does not necessarily represent performance after installation. In the field, surrounding soil applies lateral pressure to the vertical drain. Under an embankment, for example, increasing soil stress can compress the plastic core, reduce the dimensions of its internal flow channels, and force the filter jacket against the grooves. These changes restrict the available space for water movement and can reduce the drain's effective discharge capacity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTo evaluate this pressure-dependent behavior, the DDCT V applies confining loads between 10 and 350 kPa while maintaining water flow through the specimen. Measurements at different loading levels reveal how much drainage capacity is retained as pressure increases. This information helps engineers determine whether a selected drain can maintain adequate hydraulic performance under anticipated field stresses and whether its well resistance remains within the limits assumed by the consolidation design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWater quality must also be controlled because the measurement depends on accurately determining the volume that passes through the specimen. Dissolved gases can escape from the water when it enters the confined drainage channels, forming bubbles that occupy part of the available flow area. The resulting obstruction reduces the measured water volume, potentially indicating a loss of drainage capacity even when the drain itself has not experienced an equivalent reduction in performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe DDCT V addresses this problem through its water conditioning arrangement. The reservoir de-aerates the supply before testing, while the dissolved oxygen analyzer provides a measurement of the water's oxygen content so operators can verify its condition before proceeding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTemperature is another variable that must remain consistent between tests. As water temperature rises, its viscosity decreases, changing the way it moves through the drainage channels. Consequently, temperature differences can influence measured flow rates even when the specimens have similar properties. The thermostatic system maintains the selected temperature within ±0.5 °C, reducing this source of variation and supporting meaningful comparisons between specimens tested under controlled conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eVertical Drain Discharge Capacity Tester (350 kPa) - QualiGTX™ DDCT V Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table table-style-align-center\" align=\"center\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfining Pressure Range\u003c\/td\u003e\n\u003ctd\u003e10 to 350 kPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Water Head Difference\u003c\/td\u003e\n\u003ctd\u003e300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecimen Width\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Specimen Thickness\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Specimen Length\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydraulic Gradient Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Control Range\u003c\/td\u003e\n\u003ctd\u003e5 °C to 100 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Correction Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Control Mode\u003c\/td\u003e\n\u003ctd\u003eHeating and refrigeration, self-tuning PID\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDissolved Oxygen Analyzer Range\u003c\/td\u003e\n\u003ctd\u003e0 to 20 mg\/L; 0 to 200 %; 0 to 400 hPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDissolved Oxygen Analyzer Accuracy\u003c\/td\u003e\n\u003ctd\u003e±1.5 % FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDissolved Oxygen Analyzer Repeatability\u003c\/td\u003e\n\u003ctd\u003e±0.5 % FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDissolved Oxygen Analyzer Resolution\u003c\/td\u003e\n\u003ctd\u003e0.01 mg\/L; 0.1 %; 1 hPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Supply Tank Capacity\u003c\/td\u003e\n\u003ctd\u003e50 L, stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Capacity\u003c\/td\u003e\n\u003ctd\u003e13,000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eOutdoor air-cooled condensing unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressor Power\u003c\/td\u003e\n\u003ctd\u003e1.1 kW (1.5 hp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCirculation Modes\u003c\/td\u003e\n\u003ctd\u003eInternal and external\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Circulation Pump Power\u003c\/td\u003e\n\u003ctd\u003e100 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Circulation Pump Power\u003c\/td\u003e\n\u003ctd\u003e100 W, adjustable flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCirculation Pump Flow Rate\u003c\/td\u003e\n\u003ctd\u003e45 L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 30 min, ambient to boiling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 90 min, boiling to 20 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Conditioning System Power Supply\u003c\/td\u003e\n\u003ctd\u003e380 V \/ 50 Hz, 12 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Draw During Testing\u003c\/td\u003e\n\u003ctd\u003e1 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Dimensions (W × D × H)\u003c\/td\u003e\n\u003ctd\u003e1,380 × 780 × 1,870 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e160 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":53602345419063,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/vertical-drain-discharge-capacit.webp?v=1794470060"},{"product_id":"horizontal-drain-discharge-capacity-tester","title":"Horizontal Drain Discharge Capacity Tester","description":"\u003ch2\u003eHorizontal Drain Discharge Capacity Tester – QualiGTX™ DDCT H\u003c\/h2\u003e\n\u003ch4\u003eAutomatic Prefabricated Vertical Drain (PVD) Discharge Capacity Tester – Horizontal Frame\u003c\/h4\u003e\n\u003cp\u003eThe QualiGTX™ DDCT H is designed to evaluate the longitudinal drainage capacity of prefabricated vertical drains\n    (PVDs) by measuring water flow through plastic drainage boards under controlled conditions. Its horizontal testing\n    configuration provides a practical solution for geotechnical laboratories, drainage board manufacturers, and ground\n    improvement contractors that need to verify drainage performance against project requirements. The apparatus\n    accommodates specimens measuring 100 mm × 450 mm, corresponding to the cross-sectional dimensions of standard band\n    drains. Its quick-clamping mechanism allows specimens to be installed and removed within seconds, making the system\n    suitable for routine quality control and high-volume testing.\u003c\/p\u003e\n\u003cp\u003eTwo important indicators determine the performance of a drainage board: its longitudinal discharge capacity and\n    tensile strength. Although a product may satisfy the required tensile strength, inadequate water flow can compromise\n    the consolidation rate anticipated during ground improvement. Such deficiencies may remain undetected until a\n    preload project is already underway. By measuring actual discharge capacity, the DDCT H enables laboratories to\n    assess drainage board performance before materials are accepted or delivered to construction sites.\u003c\/p\u003e\n\u003cp\u003eTest operation is managed through a 10-inch color touchscreen, which controls the testing sequence, maintains\n    consistent pressure, and displays the measured discharge capacity directly. Manual calculations are unnecessary. An\n    integrated water supply tank with heating and refrigeration functions conditions the test water to the required\n    temperature before testing begins. Its horizontal frame arrangement provides convenient specimen access while\n    maintaining a compact installation footprint of 1,260 × 730 mm.\u003c\/p\u003e\n\u003ch2\u003eHorizontal Drain Discharge Capacity Tester – QualiGTX™ DDCT H Applications\u003c\/h2\u003e\n\u003cp\u003eThe QualiGTX™ DDCT H supports quality assessment of plastic drainage boards used in ground consolidation and\n    geotechnical construction. Its controlled testing capabilities make it suitable for manufacturing facilities,\n    project laboratories, independent testing organizations, and research institutions.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eDrainage Board and Band Drain Manufacturing: Supports routine production inspections by evaluating drainage\n            core channel geometry and filter membrane performance, allowing manufacturers to check consistency between\n            production batches.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eSoft Soil Ground Improvement: Verifies incoming drainage materials before installation in embankment\n            construction, port development, and land reclamation projects involving compressible clay deposits.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eHighway and Railway Subgrade Construction: Evaluates whether prefabricated vertical drains provide the\n            drainage capacity required to accelerate settlement beneath road and railway embankments.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eLand Reclamation and Marine Clay Projects: Assesses drainage products intended for extended consolidation\n            programs, particularly where well resistance influences the overall settlement period.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eThird-Party Testing Laboratories: Provides independent discharge capacity measurements for evaluating\n            supplier specifications, supporting tender documentation, and verifying contractual requirements.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eWater Conservancy and Hydraulic Engineering: Checks the performance of drainage boards used in foundation\n            improvement for dikes, reservoirs, and canals.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eGeotechnical Research and Educational Laboratories: Facilitates comparative investigations of drainage core\n            configurations, filter fabrics, and water flow characteristics under different hydraulic gradients.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHorizontal Drain Discharge Capacity Tester – QualiGTX™ DDCT H Key Features\u003c\/h2\u003e\n\u003cp\u003eThe QualiGTX™ DDCT H combines convenient specimen handling, automated test control, and temperature-regulated water\n    delivery in a compact horizontal testing system.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eQuick Specimen Clamping and Release: The convenient clamping mechanism secures and releases drainage board\n            specimens within seconds, reducing preparation time during repeated quality control tests.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003e10-Inch Color Touchscreen Interface: Provides centralized operation of the testing sequence, real-time status\n            monitoring, and direct access to test information through a single control panel.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eConsistent Pressure Control: Maintains stable applied pressure throughout the measurement process, helping\n            ensure that discharge capacity results reflect the specimen's actual performance under controlled loading\n            conditions.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eAutomatic Discharge Capacity Measurement: Displays the measured flow capacity directly on the touchscreen,\n            eliminating the need for manual calculations and reducing the possibility of recording errors.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eIntegrated Temperature-Controlled Water Tank: Features built-in heating and refrigeration to maintain the\n            required water temperature. This helps minimize viscosity variations and improves consistency when comparing\n            specimens tested at different times.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eCorrosion-Resistant Construction: Uses stainless steel and high-strength aluminum components throughout the\n            wetted assembly to withstand continuous water exposure while maintaining dimensional stability.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eStandard Specimen Dimensions: Accommodates drainage board samples measuring 100 mm × 450 mm, matching\n            standard band drain widths and providing a suitable flow length for representative measurements.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003eSpace-Efficient Horizontal Configuration: Positions the specimen horizontally at a convenient working height\n            while keeping the overall equipment dimensions compact for laboratory and production environments.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n    \u003cli\u003e\n\n\n        \u003cp\u003e220 V Single-Phase Power Supply: Operates from a standard 220 V single-phase electrical connection, avoiding\n            the need for a dedicated three-phase power circuit.\u003c\/p\u003e\n\n\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTheory and Test Method\u003c\/h2\u003e\n\u003cp\u003eDischarge capacity represents the volume of water that a prefabricated vertical drain can transport along its\n    longitudinal axis per unit of time under a specified hydraulic gradient. The measurement is performed by\n    establishing a constant hydraulic head difference between the inlet and outlet ends of the specimen. Once steady\n    conditions are achieved, the water discharged from the downstream end is collected over a defined time interval. The\n    resulting flow rate is divided by the applied hydraulic gradient to determine \u003cspan data-math-source=\"q_w\" data-math-display=\"false\"\u003e\\(q_w\\), the discharge capacity parameter used in geotechnical design calculations for\n        well resistance. The underlying relationship follows Darcy's law, with the hydraulic gradient maintained at a\n        sufficiently low level to ensure laminar flow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDuring testing, the horizontal frame supports the drainage board across its entire 450 mm specimen length. This\n    arrangement maintains a straight longitudinal flow path and ensures that the applied head difference acts along the\n    drain's axis. Water passes through the filter membrane into the drainage core, where it travels along the channels\n    formed by the grooves in the plastic structure. Maintaining the specimen in a flat, properly aligned position is\n    essential because bending or twisting can restrict the internal flow channels and produce discharge measurements\n    that do not accurately represent the product's actual capacity.\u003c\/p\u003e\n\u003cp\u003eWater temperature is another important testing variable because it directly affects viscosity and, consequently, the\n    measured flow rate. As water temperature increases, viscosity decreases, allowing water to move more easily through\n    the drainage channels under identical conditions. The DDCT H addresses this variation through its integrated water\n    tank, which heats or refrigerates the supply and maintains the selected temperature throughout testing. This\n    temperature regulation supports meaningful comparisons between specimens tested on different days.\u003c\/p\u003e\n\u003cp\u003eApplied pressure also influences the measured discharge capacity. In actual ground conditions, drainage boards\n    experience external loading from the surrounding soil, which can reduce the available area within their drainage\n    channels. Maintaining consistent pressure during the laboratory test simulates this loading condition and helps\n    determine how effectively the internal channels retain their ability to transport water under compression.\u003c\/p\u003e\n\u003ch2\u003eHorizontal Drain Discharge Capacity Tester - QualiGTX™ DDCT H Technical Specifications\u003c\/h2\u003e\n\u003ctable class=\"table table-style-align-center\" align=\"center\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eParameter\u003c\/th\u003e\n            \u003cth\u003eSpecification\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eSpecimen Dimensions\u003c\/td\u003e\n            \u003ctd\u003e100 mm × 450 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eTest Configuration\u003c\/td\u003e\n            \u003ctd\u003eHorizontal frame, longitudinal flow\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003ePressure Control\u003c\/td\u003e\n            \u003ctd\u003eConstant pressure regulation\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eControl System\u003c\/td\u003e\n            \u003ctd\u003e10-inch color touchscreen LCD\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eResult Display\u003c\/td\u003e\n            \u003ctd\u003eDirect on-screen discharge capacity readout\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eWater Supply\u003c\/td\u003e\n            \u003ctd\u003eIntegrated tank with heating and refrigeration for constant-temperature water\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eWetted Materials\u003c\/td\u003e\n            \u003ctd\u003eStainless steel and high-strength aluminum alloy\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eVotlage\u003c\/td\u003e\n            \u003ctd\u003e220 V (110V is also available)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eOverall Dimensions (W × D × H)\u003c\/td\u003e\n            \u003ctd\u003e1,260 × 730 × 1,260 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eNet Weight\u003c\/td\u003e\n            \u003ctd\u003e130 kg\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":53602346926391,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/horizontal-drain-discharge-capac_09c11faf-5bbc-43dd-a365-1b0a3877fd91.webp?v=1794473667"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/collections\/drain-discharge-capacity-testers.webp?v=1794468944","url":"https:\/\/qualitest.us\/ar\/collections\/drain-discharge-capacity-testers.oembed","provider":"Qualitest USA LC","version":"1.0","type":"link"}