Page 16 - Parker - Proportional Valves

Catalog HY15-3502/US Proportional Relief Valve
Technical Information Series AP02B2YR 07A, 14A, 21A, 35A

CV
General Description
Proportional Relief Valve. Decreasing Pressure With
Increasing Current. For additional information see
Check
Valves
SH Technical Tips on pages PV1-PV6.

Features
Valves
Shuttle
LM • Analog Proportional Relief Valve regulates pressure
proportionally to the input solenoid current
• Direct acting poppet design
• One piece cartridge housing ensures internal
Load/Motor
Controls
concentricity
FC
• Coil: Waterproof, hermetically sealed, requires no (2)
O’Rings; Symmetrical coil can be reversed without
affecting performance. (1) (2)
Controls
Flow
PC (1)

Controls
Pressure
LE Specifications Performance Curves
PWM Current Regulator Recommended
Rated Flow 07A 5.3 LPM (1.4 GPM)
(At 70 PSI ∆∆ ∆∆ ∆P) 14A 3.4 LPM (0.9 GPM) Relief Performance
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Elements
Logic
21A 3.0 LPM (0.8 GPM)
DC 35A 1.9 LPM (0.5 GPM) 6000 414 -35A
5000 345
Factory Set Relief 07A 70 Bar (1000 PSI)
Pressure When 14A 140 Bar (2000 PSI) 4000 274
Directional
Controls
De-Energized 21A 210 Bar (3000 PSI) -21A
MV (±5% -Std. 35A 350 Bar (5000 PSI) Relief Pressure 3000 205
±2% - Low 2000 137 -14A
Variation) -07A
1000 68
Manual
Valves
Hysteresis @ < 10%
SV 200 Hz PWM 0
LPM .95 1.89 2.84 3.78
0
GPM .25 .50 .75 1.00
Cartridge Material All parts steel. All operating Flow (Q)
parts hardened steel.
Valves
Solenoid
Pressure vs. Input Current
PV Operating Temp. -40°C to +93.3°C (Nitrile)
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Range/Seals (-40°F to +200°F) 5000 345
-31.7°C to +121.1°C (Fluorocarbon) Measured at coil stabilized
(-25°F to +250°F) temperature and nominal flow
4000 274
Valves
Proportional
CE Fluid Mineral-based or synthetic with 3000 205
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt) Pressure 2000 137
Filtration ISO Code 16/13,
Electronics
Coils &
BC SAE Class 4 or better 1000 68
0
Approx. Weight .09 kg (.19 lbs.) 20 40 60 80 100
0
Bodies &
Cavity C08-2 Input Current (%)
Cavities
TD (See BC Section for more details)
Technical
Data
PV15 Parker Hannifin Corporation
Hydraulic Cartridge Systems