In-plane Water Flow Rate Tester for Geosynthetics
In-plane Water Flow Rate Tester for Geosynthetics

DW1380

DW1380 In-plane Water Flow Rate Tester for Geosynthetics is applied to determine the in-plane water flow rate of geotextile or geotextile-related product under varying normal compressive stresses and standard hydraulic gradient using a constant head.

STANDARD

  • ISO 12958-2020
  • ASTM D4716-2007
  • GB/T 17633-2019
  • SL/T 235-9-2012


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DW1380 In-plane Water Flow Rate Tester for Geosynthetics is applied to determine the in-plane water flow rate of geotextile or geotextile-related product under varying normal compressive stresses and standard hydraulic gradient using a constant head.

Features
· The machine is made of acrylic and aluminum profile, beautiful and not easy to rust;
· Compact structure, easy to install;
· Reasonable waterway design, simple to operate;
· With water storage tank, good environmental adaptability;
· It's safe and reliable to apply constant normal pressure to the specimen by pneumatic loading;
· High precision pressure gauge is easy and reliable to read;
· Continuously adjustable wide range of head loss can be realized by water level control system with two overflow ports;
· The height value of water head is read from the water level scale with a reading accuracy of 1mm;
· Equipped with closed-cell rubber of various thicknesses, adapt to specimens of different thickness.


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TECHNICAL PARAMETERS

Platen size: 305×305mm (L×W)
Max. specimen thickness: 50mm
Thickness of rubber sheet: 10, 15, 20, 25mm
Loading mode: Pneumatic loading
Normal pressure: 0~600kPa, continuously adjustable
Normal pressure resolution: 5kPa
Adjustment mode of head height: Lifting screw, manual
Range of head loss: 0~400mm, continuously adjustable, water level scale display
Accuracy of head loss: 1mm
Volume of water storage tank: 120L
Dimensions (L*W*H): Main machine: 1600*70*1800mm, Water storage tank and frame: 80*60*2100mm
Net weight: Approx. 380kg

Main machine  1 set
Water storage tank  1 pc
Standing frame of water storage tank  1 pc
Rubber sheet for soft test  10 pcs
Allen key  1 pc
Water-inlet pipe  1 pc
Water-outlet pipe  1 pc

OPTIONAL ACCESSORIES
Nylon plate for hard test
Air compressor