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Pressure-relief hydraulic valves

Hydraulic valves are intended for overload protection and providing preset load-carrying capacity of hydraulic props of powered roof supports and sing-prop supports. It is as well applicable for the purpose of protecting units of hydraulic system against excess system pressure.

ГВТН-10У КПС.000 МК98.21.01.110.01 КС.01.05.240
ГВТН-10У КПС.000 МК98.21.01.110.01 КС.01.05.240
Main parameters ГВТН-10У КПС.000 МК98.21.01.110.01 КС.01.05.240
Valve type with gas-driven spring with mechanical spring
Internal diameter, mm 12 8 8 -
Valve setting pressure, MPa
– nominal 50 40 32 42
– maximum 60 50 40 48
– minimum 20 25 25 36
Consumption, l/min  
– nominal 0,03 0,03 0,03 0,127
– maximum 80 9 40 7,6
Overall dimensions, mm, not more than
– diameter 38 38 38 25
– length 66 92 70 97
Weigth, kg  0,30 0,50 0,30 0,35
Developer, institute DONGIPROUGLEMASH «ShakhtNIUI»