Catalog HY15-3502/US
D.A. Pressure Reducing/Relieving Valve
Series C02A3
PC111
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
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Technical Information
Specifications
General Description
Direct Acting Pressure Reducing/Relieving Valve.
For additional information see Technical Tips on
pages PC1-PC6.
Features
•
Maximum pressure setting up to 150 Bar, 2175 PSI
•
Three pressure ranges available for more accurate
pressure control
•
Partial reverse flow capability
•
Hardened working parts for maximum durability
•
Adjustable and tamperproof versions available
•
All external parts zinc plated
Rated Flow 20 LPM (5 GPM)
Maximum Inlet 420 Bar (6000 PSI)
Pressure
Maximum C - 5-40 Bar (73-580 PSI)
Pressure Setting E - 25-75 Bar (363-1088 PSI)
G - 50-150 Bar (725-2175 PSI)
Maximum Tank 420 Bar (6000 PSI)
Pressure
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -40°C to +93.3°C (Nitrile)
Range/Seals (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO Code 16/13,
SAE Class 4 or better
Approx. Weight 0.20 kg (0.44 lbs.)
Cavity C08-3
(See BC Section for more details)
Form Tool Rougher NFT08-3R
Finisher NFT08-3F
Performance Curve
(Pressure rise through cartridge only)
(2)
(3)
(1)
(1)
ReliefReg.
Pressure/
Inlet (2)
Tank
(3)
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
580
120
160
80
40
Pressure
1740
2320
PSI Bar
1160
Flow (Q)
5
1.3
10
2.6
20
5.3
15
4.0
10
2.6
5
1.3
0
0
LPM
GPM
15
4.0
20
5.3
Flow vs. Regulated Pressure
Relieving Regulating
RELIEVING 1 to 3 REGULATING 2 to 1
D.A. Pressure Reducing/Relieving Valve
Series C02A3
Catalog HY15-3502/US
PC112
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Proportional
Valves
Coils &
Electronics
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Bodies &
Cavities
Solenoid
Valves
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Technical Information
Dimensions
Millimeters (Inches)
Ordering Information
Adjustment
Style
Pressure
Adjustment
Range
Seals
Optional
Pressure
Setting
Code Seals / Kit No.
N Nitrile, Buna-N (Std.) /
(SK30501N-1)
V Fluorocarbon /
(SK30501V-1)
Code Pressure Adjustment Range
C 5 - 40 Bar (73 - 580 PSI)
E 25 - 75 Bar (363 - 1088 PSI)
G 50 - 150 Bar (725 - 2175 PSI)
Code Adjustment Style / Kit No.
Z Screw Adjust (Std.)
W Knob Adjust
T Tamper Resistant Cap (TC1130)
C02A3
08 Size
D.A. Pressure
Reducing/Relieving
Valve
Optional Pressure Setting
Specify setting if required (Bar)
C02A3C Standard Setting:
20 Bar (290 PSI)
C02A3E Standard Setting:
38 Bar (551 PSI)
C02A3G Standard Setting:
75 Bar (1088 PSI)
21
(0.83)
max
57
(2.24)
40.6
(1.60)
5 AF Hex socket
17 AF Hex.
12 Nm
(9 lb. ft.)
Torque
22 AF Hex.
40 Nm
(30 lb. ft.)
Torque
3/4" - 16 UNF
(2)
(3)
(1)
Body
Material
Port
Size
Code Body Material
Omit Steel
A Aluminum
* Add “A” for aluminum, omit for steel.
Code Port Size Body Part No.
Omit Cartridge Only
4P 1/4″ NPTF (B08-3-*4P)
4T SAE-4 (B08-3-*4T)
6T SAE-6 (B08-3-*6T)
6B 3/8″ BSPG (B08-3-*6B)
