Page 29 - Parker - Pressure Control Valves

Catalog HY15-3502/US Differential Area Relief Valve
Technical Information Series RDH083

CV
General Description
Differential Area Relief Valve. For additional
information see Technical Tips on pages PC1-PC6.
Check
Valves
SH
Features
• Hardened, precision ground parts for durability
Valves
Shuttle
LM • Spherical poppets for low leakage
• High flow capacity
• Internal mechanical stop limits poppet travel eliminating
spring solidification
Controls
Load/Motor
FC • All external parts have yellow zinc dichromate. This
coating is ideal for salt spray applications.
(2) (1)
(2)
Controls
Flow
PC
(1)
Specifications
Pressure
Controls
LE Rated Flow 45 LPM (12 GPM) Performance Curve
Flow vs. Inlet Pressure
Maximum Inlet 380 Bar (5500 PSI)
Pressure (Pressure rise through cartridge only)
Logic
Elements
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
Pressure, PSI 3000 207
MV
Reseat Pressure 75% of crack pressure
Leakage at 10 drops/min. (.67 cc/min.) 2000 138
Valves
150 SSU (32 cSt) @75% of crack pressure
Manual
SV
1000 69
Cartridge Material All parts steel. All operating
parts hardened steel.
0
LPM 8 15 23 30 38 45 53
Valves
Solenoid
Operating Temp. -40°C to +93.3°C (Nitrile) GPM 0 2 4 6 8 10 12 14
PV Range/Seals (-40°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 .19 kg (.43 lbs.)
Cavity C08-2
Bodies &
Cavities
(See BC Section for more details)
TD
Form Tool Rougher None
Finisher NFT08-2F
Data
Technical
PC27 Parker Hannifin Corporation
Hydraulic Cartridge Systems