Page 37 - Parker - Pressure Control Valves

Catalog HY15-3502/US Pilot Operated Relief Valve
Technical Information Series RAH081

CV
General Description
Pilot Operated Spool-Type Relief Valve.
For additional information see
Valves
Check
SH Technical Tips on pages PC1-PC6.

Features
Valves
Shuttle
LM • Hardened, precision ground parts for durability
• Low profile adapter for minimal space requirements
• Fully guided pilot for more consistent reseat
• Steel adapters are coated with yellow zinc dichromate for
Load/Motor
Controls
FC protection from salt spray
• Polyurethane “D”-Ring eliminates backup rings and
prevents hydrolysis (1) (2) (2)
• Internal screening protects pilot spring from debris
Controls
Flow
PC
(1)
Specifications
Pressure
Controls
LE Rated Flow 75.8 LPM (20 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 150 SSU @ 100°F (32 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
Reseat Pressure 90% of crack pressure Pressure, PSI 3000 207
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 15 30 45 61 76
Solenoid
Valves
Operating Temp. -45°C to +93.3°C (“D”-Ring) GPM 0 4 8 12 16 20
PV Range/Seals (-50°F to +200°F) Flow (Q)
-31.7°C to +121.1°C (Fluorocarbon)
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
(-25°F to +250°F)
400 28
RAH081S10
Proportional
Valves
Fluid Mineral-based or synthetic with (minimum setting)
CE Compatibility/ lubricating properties at viscosities
300 21
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO Code 16/13,
SAE Class 4 or better Pressure, PSI 200 14
Electronics
Coils &
BC
Approx. Weight .09 kg (.20 lbs.)
100 7
Cavity C08-2
(See BC Section for more details)
Cavities
Bodies &
TD 0
LPM 15 30 45 61 76
Form Tool Rougher None 0
Finisher NFT08-2F GPM 4 8 12 16 20
Flow (Q)
Technical
Data
PC35 Parker Hannifin Corporation
Hydraulic Cartridge Systems