Page 33 - Parker - Pressure Control Valves

Catalog HY15-3502/US Direct Acting Relief Valve With Check
Technical Information Series RDCH103

CV
General Description
Direct Acting Relief Valve with Reverse
Free Flow Check Valve. For additional Cyl. Valve
Valves
Check
SH information see Technical Tips on
pages PC1-PC6.
Free Flow
Valves
Shuttle
LM Features Flow At Relief Setting
• Hardened, precision ground parts for durability
• Rugged steel body construction
• Spherical poppets for low leakage CVH103 Series Check Valve
Load/Motor
Controls
FC Relief Flow Inlet
• Built-in cartridge check reduces plumbing Free Flow Outlet
• Differential area cartridge relief for high flow capacity RDH103
• All external parts have yellow zinc dichromate. This Cartridge
coating is ideal for salt spray applications.
Controls
Flow
PC
• “D”-Ring eliminates backup rings
Relief Flow Outlet
Free Flow Inlet
Pressure
Controls
LE Specifications Performance Curve
Flow vs. Inlet Pressure
Maximum Flow 60 LPM (16 GPM)
(Pressure rise through cartridge only)
Logic
Elements
Maximum Inlet 380 Bar (5500 PSI) PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
DC
Pressure 6000 414
Maximum 350 Bar (5000 PSI) 5000 345
Pressure Setting
Directional
Controls
4000 276
MV
Pressure 3000 207
Reseat Pressure 85% of crack pressure
Leakage at 5 drops/min. (.33 cc/min.)
150 SSU (32 cSt) @ 75% of crack pressure
2000 138
Manual
Valves
SV
Cartridge Material All parts steel. All operating
1000 69
parts hardened steel.
0
Body Material Steel LPM 15.1 30.3 45.4 60.6 75.7
Solenoid
Valves
0
PV GPM 4 8 12 16 20
Operating Temp. -45°C to +93.3°C (“D”-Ring) Flow (Q)
Range/Seals (-50°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Proportional
Valves
CE
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Coils &
Electronics
Filtration ISO Code 16/13,
BC
SAE Class 4 or better
Approx. Weight 1.2 kg (2.7 lbs.)
Cavities
Bodies &
TD
Data
Technical
PC31 Parker Hannifin Corporation
Hydraulic Cartridge Systems