Page 53 - Parker - Pressure Control Valves
P. 53
Catalog HY15-3502/US Ventable Pilot Operated Relief Valve
Technical Information Series RAH101V
CV
General Description
Ventable Pilot Operated Spool-Type
Relief Valve. This valve controls
Valves
Check
SH pressure via the internal spring
chamber or via an external vent line.
For addition information see Technical
Tips on pages PC1-PC6.
Valves
Shuttle
LM Features
• Low override curve
• Ball-type pilot for added stability Outlet
(3)
• High accuracy - pilot operated design (2)
Controls
Load/Motor
FC
• Hardened, precision ground parts for durability Vent
• Compact size for reduced space requirements (1) (3) (2)
• All external parts have yellow zinc dichromate. This
Flow
Controls
coating is ideal for salt spray applications.
PC Pressure
Inlet (1)
Specifications
Controls
Pressure
LE Rated Flow 68 LPM (18 GPM) Performance Curves
Flow vs. Inlet Pressure
Maximum Inlet 380 Bar (5500 PSI)
Pressure (Pressure rise through cartridge only)
Elements
Logic
PSI Bar Hydraulic Oil 135 SSU @ 100°F (28 cSt)
DC Maximum 350 Bar (5000 PSI) 6000 414
Pressure Setting
5000 345
Maximum Tank 350 Bar (5000 PSI)
Pressure 4000 276
Controls
Directional
MV
Pressure 3000 207
Reseat Pressure 80% of crack pressure
Leakage at 5 cc per 100 PSI (6.8 Bar) setting
2000 138
Manual
150 SSU (32 cSt)
Valves
SV
1000 69
Cartridge Material All parts steel. All operating
parts hardened steel.
0
LPM 11.4 22.7 34.1 45.4 56.8 68.1
Valves
Solenoid
Operating Temp. -45°C to +93.3°C (“D”-Ring) GPM 0 3 6 9 12 15 18
PV Range/Seals (-50°F to +200°F) Flow (Q)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Valves
Fluid Mineral-based or synthetic with
Proportional
CE Compatibility/ 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 .23 kg (.50 lbs.)
Cavity C10-3
Cavities
Bodies &
(See BC Section for more details)
TD
Form Tool Rougher NFT10-3R
Finisher NFT10-3F
Data
Technical
PC51 Parker Hannifin Corporation
Hydraulic Cartridge Systems