Page 129 - Parker - Pressure Control Valves

Catalog HY15-3502/US P.O Pressure Reducing/Relieving Valve
Technical Information Series PRH121

CV
General Description
Pilot Operated Pressure Reducing/Relieving Valve.
For additional information see Technical Tips
Check
Valves
SH on pages PC1-PC6.

Features
Valves
Shuttle
LM • Hardened, precision ground parts for durability
• Ball-type pilot for added stability
• Full capacity reducing/relieving Tank
• Performs job of two separate valves in one (3)
Controls
Load/Motor
FC • All external parts have yellow zinc dichromate. This (3)
coating is ideal for salt spray applications. Pressure/
Inlet (2)
(2)
Flow
Controls
PC
(1)
Reg. (1) Relief

Pressure
Controls
LE Specifications Performance Curve
Flow vs. Regulated Pressure
Rated Flow 113.7 LPM (30 GPM)
(Pressure rise through cartridge only)
Maximum Inlet 380 Bar (5500 PSI) PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Elements
Logic
DC Pressure 6000 414
Maximum 350 Bar (5000 PSI) 5000 345
Pressure Setting
Controls
Directional
4000 276
MV Maximum Tank 350 Bar (5000 PSI)
Pressure 3000 207
Pressure
Maximum 0.94 LPM (0.25 GPM)
2000 138
Manual
Valves
Drain Flow
SV
1000 69
Cartridge Material All parts steel. All operating
parts hardened steel.
0 Relieving Reducing
LPM 113.7 75.8 37.9 0 37.9 75.8 113.7
Valves
Solenoid
Operating Temp. -40°C to +93.3°C (Nitrile) GPM 30 20 10 0 10 20 30
PV Range/Seals (-40°F to +200°F) Flow (Q)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Valves
Proportional
Fluid Mineral-based or synthetic with
CE Campatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO Code 16/13,
SAE Class 4 or better
Electronics
Coils &
BC
Approx. Weight .27 kg (0.6 lbs.)
Cavity C12-3
(See BC Section for more details)
Bodies &
Cavities
TD
Form Tool Rougher NTF12-3R
Finisher NFT12-3F
Technical
Data
PC127 Parker Hannifin Corporation
Hydraulic Cartridge Systems