Page 8 - Parker - Proportional Valves

Catalog HY15-3502/US Proportional Relief Valve
Technical Information Series AP01B2YP 07C, 14C, 21C, 35C

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

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

Specifications
Pressure
Controls
LE Performance Curves
Rated Flow 07C 5.3 LPM (1.4 GPM) PWM Current Regulator Recommended
(At 70 PSI ∆∆ ∆∆ ∆P) 14C 3.4 LPM (0.9 GPM) Pressure Drop vs. Flow
21C 3.0 LPM (0.8 GPM)
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Logic
Elements
35C 1.3 LPM (.35 GPM) 200 14.3
DC
Measured at
De-energized coil -35
Max. Pressure At 07C 70 Bar (1000 PSI) P) 160 11.4
Port 1 @ 75% 14C 140 Bar (2000 PSI)
Input Current 21C 210 Bar (3000 PSI) 120 8.6
Directional
Controls
35C 350 Bar (5000 PSI)
MV Pressure Drop ( -21
Hysteresis @ 5% 80 5.7 -07
200 Hz PWM 40 2.0 -14
Manual
Valves
Cracking 07C .07 Bar (1 PSI)
SV Pressure 14C .14 Bar (2 PSI) 0 LPM 0.8 1.5 2.3 3.0 3.8 4.5 5.3
21C .21 Bar (3 PSI) 0
GPM 0.2 0.4 0.6 0.8 1.0 1.2 1.4
35C .35 Bar (4 PSI) Flow (Q)
Solenoid
Valves
Cartridge Material All parts steel. All operating Pressure vs. Input Signal (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) Measured at coil stabilized -35
temperature and nominal flow
Range/Seals (-40°F to +200°F) 4000 274
-31.7°C to +121.1°C (Fluorocarbon)
Valves
Proportional
CE (-25°F to +250°F) 3000 205 -21
Pressure -14
Fluid Mineral-based or synthetic with 2000 137
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt) -07
Coils &
Electronics
BC 1000 68
Filtration ISO Code 16/13,
0
SAE Class 4 or better 20 40 60 80 100
0
Cavities
Bodies &
Approx. Weight .06 kg (.14 lbs.) Current (%)
TD
Cavity 2G
(See BC Section for more details)
Technical
Data
PV7 Parker Hannifin Corporation
Hydraulic Cartridge Systems