Bentonite waterproof blanket permeability tester
Scope of application:
Used to determine the permeability coefficient of bentonite waterproof blanket under specified pressure and time conditions. The bentonite waterproof blanket will produce small seepage under a certain pressure difference, and the permeability coefficient can be calculated by measuring the seepage flow and the thick
ness of the sample within a certain time under the specified hydraulic pressure difference.
Meet the standard:
SL/T , JG/T 193- Appendix A-2006, GB/T 35470- Appendix B-2017, JC/T 2054- Appendix A-2020, ASTM
D5887-1999.etc.
Instrument features:
Using 1+2 mode, it can provide a single station machine and a 2 station auxiliary machine;
The table is made of stainless steel, clean appearance, good water resistance, no rust;
Test through pressure loading, no need to connect to electricity, safe and reliable;
Adopt imported high-precision pressure regulator, the pressure regulation is accurate and stable, to ensure the experimental requirements;
The loading circuit design is reasonable, and the valve switch adjustment is simple;
The measurement accuracy was improved to 0.05m1.
The integrated vacuum device makes it easier to vacuum during sample preparation and testing;
Add negative pressure degassing device, so that the water entering the sample is degassing water, the test result is more accurate; :
The test chamber can be moved to make the operation more flexible;
The main use of two-position valve, instrument operation is simpler;
The automatic test interface is reserved, which can be more convenient to obtain pressure reading and automatic measurement by adding an automatic test device.
Technical parameters:
Instrument type table
Sample size Ø100 mm can be customized; Maximum thickness 50 mm
Confining pressure adjustment range 0——600 kPa（87 psi）， continuously adjustable
End pressure adjustment range 0——550 kPa（79 psi）， continuously adjustable
Pressure regulation mode
Confining pressure, upstream and downstream pressure regulation are equipped with independent fine valves, adjustment accuracy of 1KPA（0.1 psi）， the pressure can be adjusted respectively upstream and downstream pressure can be adjusted at the same time
Pressure display Confining pressure, upstream and downstream switching display, display accuracy 1KP permeability measurement display mode ruler read, display accuracy :0.05ml
Burette/ring maximum volume 25/400 ml
Overall dimensions of instrument
Main machine: W x H x D =600x860x180（Support length auxiliary machine: W x H x D =900x860x180（Support length whole machine weight about 380kg（main machine 180kg, auxiliary machine 200kg）
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