Page 51 - Parker - Pressure Control Valves
P. 51
Catalog HY15-3502/US Solenoid Operated Unloading Relief Valve
Technical Information Series AS04G2
CV
General Description
Solenoid Operated Unloading Relief Valve.
For additional information see Technical Tips on
Check
Valves
SH pages PV1-PV6.
Features
Valves
Shuttle
LM • Two functions in one valve, unloading and relieving
• Factory set relief pressure or adjustable option
• Integral 250 micron pilot flow filter
• Coil: Waterproof, hermetically sealed, requires no
Controls
Load/Motor
FC O’Rings; Symmetrical coil can be reversed without
affecting performance.
(1) (2)
Controls
Flow
(2)
PC
(1)
Pressure
Controls
LE Specifications Performance Curves
Pressure Drop vs. Flow
Rated Flow 60 LPM (16 GPM)
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
(At 70 PSI ∆∆ ∆∆ ∆P) 400 28.0
Elements
Logic
Solenoid
DC De-energized
Max. Pressure 6.9 - 276 Bar (100 - 4000 PSI) P)
300 21.0
Reseat Pressure 90% of Cracking Pressure
200 Hz PWM 200 14.0
Directional
Controls
MV Pressure Drop (
Max. Tank 70 Bar (1000 PSI)
Pressure 100 7.0
Cartridge Material All parts steel. All operating 0
Valves
Manual
parts hardened steel. LPM 15.2 30.3 45.0 60.0 76.0 90.0
SV 0
GPM 4 8 12 16 20 24
Flow (Q)
Operating Temp. -40°C to +93.3°C (Nitrile)
Range/Seals (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon) Pressure Drop vs. Flow - Relieving Performance
Solenoid
Valves
(-25°F to +250°F) PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
PV 4000 280
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities P) 3000 210
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Proportional
Valves
CE
Filtration ISO Code 16/13, 2000 140
SAE Class 4 or better Pressure Drop (
Approx. Weight .45 kg (.98 lbs.) 1000 70
Electronics
Coils &
Solenoid
Energized
BC
Cavity C10-2 0
(See BC Section for more details) LPM 0 15.2 30.3 45.0 60.0 76.0 90.0
GPM 4 8 12 16 20 24
Flow (Q)
Cavities
Bodies &
TD
Data
Technical
PC49 Parker Hannifin Corporation
Hydraulic Cartridge Systems