Page 18 - Parker - Proportional Valves

Catalog HY15-3502/US Proportional Relief Valve
Technical Information Series AP04G2YR 10C, 21C, 35C

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

Features
Shuttle
Valves
LM • Pilot operated spool-type design
• Precise setting of factory preset pressure in de-energized
mode
• One piece cartridge housing ensures internal
Load/Motor
Controls
concentricity
FC
• Coil: Waterproof, hermetically sealed, requires no
O’Rings; Symmetrical coil can be reversed without
(1) (2)
affecting performance.
(2)
Controls
Flow
PC
(1)
Specifications
Pressure
Controls
Rated Flow 95 LPM (25 GPM)
LE Performance Curves
(At 300 PSI ∆∆ ∆∆ ∆P)
When Coil is Fully PWM Current Regulator Recommended
Energized
Relief Performance
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Logic
Elements
Factory Set Relief 10C 103 Bar (1500 PSI)
DC 5000 345
Pressure When 21C 210 Bar (3000 PSI)
Coil De-Energized 35C 350 Bar (5000 PSI) -35
Measured at 4000 274
45 LPM (12 GPM)
Controls
Directional
MV Relief Pressure 3000 205 -21 Coil De-Energized
Hysteresis @ < 7%
250 Hz PWM of Maximum Pressure Setting 2000 137 -10
1000 68
Response Time At To Unload 45ms Coil Fully Energized
Manual
Valves
75% of Nominal To Load 25ms 300 21
SV Voltage Change 0 LPM 19 38 57 76 95
(Measured To 90% 0
GPM 5 10 15 20 25
of Press. Change) Flow (Q)
Valves
Solenoid
Cartridge Material All parts steel. All operating Pressure vs. Input Current
PV parts hardened steel.
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
5000 345
Operating Temp. -40°C to +93.3°C (Nitrile) -35
Range/Seals (-40°F to +200°F) 4000 274
Valves
-31.7°C to +121.1°C (Fluorocarbon)
Proportional
CE (-25°F to +250°F) 3000 205
Pressure -21
Fluid Mineral-based or synthetic with 2000 137
Compatibility/ lubricating properties at viscosities -10
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Electronics
Coils &
1000 68
BC
Filtration ISO Code 16/13,
0
SAE Class 4 or better 19 38 57 75
0
Approx. Weight .14 kg (.30 lbs.) Input Current (%)
Bodies &
Cavities
TD
Cavity C10-2
(See BC Section for more details)
Technical
Data
PV17 Parker Hannifin Corporation
Hydraulic Cartridge Systems