ASTM D4491 compliant geomembrane tester
Whats/App: +86 156 1874 6768
Web: standard-groups.com
As the most cost-effective hydrostatic pressure tester, the Geomembrane Hydrostatic and Permeability Tester is not only powerful but also intelligent and efficient. The Geomembrane Hydrostatic and Permeability Tester is used to analyze the permeability of test materials. It can test hydrostatic pressure as water passes through the sample, and also test water resistance under constant water pressure, all while being secured by a special sealed system.
Application
It is used to test the hydrostatic pressure resistance and permeability coefficient of nonwoven composite geotextile (one cloth, one film, two cloth, one film) produced with polyethylene and polyurethane as the substrate and other materials under the specified water pressure difference conditions.
Standard Test
JTG E50 T1142-2006: Test Procedure for Geosynthetic Materials in Highway Engineering - Hydrostatic Pressure Resistance Test
JTS/T 245-2023: Test Procedure for Geosynthetic Materials in Water Transport Engineering
GB/T 19979.1-2005: Geosynthetic Materials - Impermeability Performance - Part 1: Determination of Hydrostatic Pressure Resistance
GB/T 19979.2-2006: Geosynthetic Materials - Impermeability Performance - Part 2: Determination of Permeability Coefficient
GB/T 17642-2025: Geosynthetic Materials - Nonwoven Fabric Composite Geomembrane
Feature
Can be used in one machine, equipped with 2 sets of test fixtures, in line with the national standard hydrostatic pressure and permeability coefficient test;
High precision pressure system, using gas-liquid mixed structure, to ensure stable pressure;
Solenoid valve control water inlet and outlet;
Equipped with percolating water collection device to prevent the collected percolating water from evaporating;
Equipment safety protection device.
Parameters
| Technical Parameters | Specifications |
|---|---|
| Specimen Diameter | 200mm |
| Perforated Plate Hole Diameter | 3mm±0.05mm |
| Perforated Plate Hole Center Distance | 6mm |
| Infiltration Water Collection Pipe Capacity | 15ml |
| Permeable Water Collection Tube Precision | 0.1ml |
| Pressure Range | 0—2.5MPa |
| Pressure System Error | ±2% |
| Equipment Dimensions (L×W×H) | 900×600×14 |
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