Catalog HY15-3502-R/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
PV27
P.O., N.C. Proportional Reduce/Relief Valve
Series EPR111C
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Pressure Gain
A
Current
.4.2
0
.6 .8
1.0
0
80%
100%
40%
20%
60%
Regulated Pressure
USC %
Flow (Q)
LPM
GPM
-15.1
-30.3
-4
-8
15.10
40
30.3
8
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
200
250
50
100
150
13.8
17.3
3.45
6.89
10.4
300 20.7
PSI Bar
Pressure
Flow vs. Regulated Pressure
Press. Reducer Frequency Response: 290 PSI @ 12 VDC
Frequency (HZ)
1
10
50
0
10
-20
-30
-40
-10
Gain (DB)
0
240
60
120
180
300
Phase Angle (Deg.)
EP-3099 Magnitude 850 mA
EP-3099 Magnitude 700 mA
EP-3099 Magnitude 500 mA
EP-3099 Phase 850 mA
EP-3099 Phase 700 mA
EP-3099 Phase 500 mA
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Solenoid
Valves
Proportional
Valves
Coils &
Electronics
Bodies &
Cavities
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Technical Information
Rated Flow 37.5 LPM (10 GPM)
Maximum Input 350 Bar (5000 PSI)
Pressure at
Port 2
Maximum Internal .5 LPM (0.13 GPM)
Leakage @ 20.7 Bar (300 PSI)
.95 LPM (0.25 GPM)
@ 207 Bar (3000 PSI)
Hysteresis @ 4% with 60% duty cycle
400 Hz PWM
Power 9 watts at max. reduced pressure
Consumption
Frequency 200-600 Hz (PWM)
Maximum Control 12 VDC 24 VDC
Current .90A .45A
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -45°C to +132°C (“D”-Ring)
Range/Seals (-50°F to +270°F)
-34°C to +121°C (Nitrile)
(-30°F to +250°F)
-26°C to +204°C (Fluorocarbon)
(-15°F to +400°F)
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO-4406 18/16/13,
SAE Class 4
Approx. Weight .59 kg (1.3 lbs.)
Cavity C10-3L
(See BC Section for more details)
General Description
Pilot Operated, Normally Closed, Proportional
Pressure Reducing/Relieving Valve. For additional
information see Technical Tips on pages PV1-PV6.
Features
•
High flow capacity
•
Low hysteresis
•
400 Hz PWM signal preferred
•
No dynamic seals
•
Polyurethane “D”-Ring eliminates need for backup rings
Performance Curves
PWM Current Regulator Recommended
Specifications
(3)
(2)
(1)
Reducing
Pressure
Inlet
Tank