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Polyhydron Make Pumps and Valves
Hydraulic Check Valves
Ungrouped
We manufacture branded quality of Pressure Relief Valves - PPRU to our clients all over the region with various product specifications and cost.
Type
Power
Standard or Nonstandard
Pressure
Temperature
Structure
With extensive experience and knowledge, we are involved in offering a wide range of Pilot Operated Pressure Relief Cum Valve Discharge. These are composed of two-stage poppet type relief cum discharge valve. It is also an optional solenoid unloading facility. In addition, they are available in three standard sizes - 10, 20 and 30.
Construction
Two stage poppet valve
Mounting
Sub-Plate Mounting conforming to ISO 5781 with additional pilot pressure port 'P'
Mounting position
Optional
Flow direction
From port 'N to 'B'
Operating pressure
For port 'A', 'X' and 'P' – 315 bar for port 'B' – 60 bar
Hydraulic medium
Mineral oil
Viscosity range
10 Cst to 380 Cst
Fluid temperature range .
-20 ° to +70 C
Fluid cleanliness requirement
As per ISO 16/13
Maximum flow handling capacity
For valve size- 10 – 100Ltrs,/min, 20 – 200 Ltrs/min, 30 – 100Ltrs/min
