Page 21 - Parker - Pressure Control Valves

Catalog HY15-3502/US Direct Acting Relief Valve
Technical Information Series RD102

CV
General Description
Direct Acting Poppet-Type Relief Valve.
For additional information see
Check
Valves
SH Technical Tips on pages PC1-PC6.

Features
Valves
Shuttle
LM • Hardened, precision ground parts for durability
• Internal mechanical stop limits poppet travel eliminating
spring solidification
• Spherical poppets for low leakage
Controls
Load/Motor
FC • “D”-Ring eliminates backup rings
• All external parts have yellow zinc dichromate. This
coating is ideal for salt spray applications. (1) (2)
• Fast response (2)
Flow
Controls
PC
(1)
Specifications
Pressure
Controls
LE Rated Flow 38 LPM (10 GPM) Performance Curve
Flow vs. Inlet Pressure
Maximum Inlet 250 Bar (3600 PSI)
Pressure (Pressure rise through cartridge only)
Logic
Elements
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
DC Maximum 210 Bar (3000 PSI) 4000 276
Pressure Setting
Maximum Tank 210 Bar (3000 PSI)
3000 207
Pressure
Directional
Controls
MV
Pressure 2000 138
Reseat Pressure 85% of crack pressure
Leakage at 5 drops/min. (.33 cc/min.)
Manual
150 SSU (32 cSt) @75% of crack pressure
Valves
SV 1000 69
Cartridge Material All parts steel. All operating
parts hardened steel.
0
LPM 7.6 15 23 30
Valves
Solenoid
Operating Temp. -45°C to +93.3°C (“D”-Ring) 0
4
PV Range (Ambient) (-50°F to +200°F) GPM 2 Flow (Q) 6 8
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Proportional
Valves
Fluids Mineral-based or synthetic with
CE lubricating properties at viscosities
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 (0.5 lbs.)
Cavity C10-2
Cavities
(See BC Section for more details)
Bodies &
TD
Form Tool Rougher None
Finisher NFT10-2F
Data
Technical
PC19 Parker Hannifin Corporation
Hydraulic Cartridge Systems