Pilot Relief Valve PPR
Two stage poppet type Relief valve. Solenoid unloading or proportional relieving facility as an optional feature.
Product Description
Vent connection for remote control. Two standard sizes in Threaded construction. Three standard sizes in Sub-plate mounting construction.
Technical specifications :
Construction ……………………………………….. Two stage poppet valve.
Mounting …………………………………………….Threaded bodies – Company standards Subplate mounting – ISO6264.
Mounting position ……………………………….. Optional.
Flow direction …………………………………….. From port P to port T.
Maximum Operating pressure
For port P and X …………… 315 bar.
For port T and Y …………… 210 bar.
( For model with solenoid valve mounting provision )
For port T and Y…………….. Max. pressure is equal to tank port pressure rating of the valve mounted
Hydraulic medium ……………………………….. Mineral oil.
Viscosity range ………………………………….. 10 cSt to 380 cSt
Fluid temperature range ……………………….. -20°C to +70°C
Fluid cleanliness requirement ……………….. ISO 4406 20/18/15 or better.
Maximum flow handling capacity ……………. For valve size 10 ……….100 l/min 20 ……….200 l/min 30 ……….400 l/min
