Catalog HY15-3502/US
Direct Acting Relief Valve
Series A02B2
PC17
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 Poppet-Type Relief Valve. For additional
information see Technical Tips on pages PC1-PC6.
Features
Fast response
Excellent stability throughout flow range
Virtually leak free
Hardened working parts for maximum durability
Adjustable, preset and tamper resistant versions available
Preset version is tamper resistant and compact
All external parts zinc plated
Rated Flow 30 LPM (8 GPM)
Maximum Inlet 420 Bar (6000 PSI)
Pressure
Maximum F - 2-100 Bar (29-1450 PSI)
Pressure Setting H - 5-210 Bar (72-3000 PSI)
P - 5-420 Bar (72-6000 PSI)
Maximum Tank 420 Bar (6000 PSI)
Pressure
Leakage at 5 drops/min.
150 SSU (32 cSt) @ 100 Bar (1450 PSI)
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 C08-2
(See BC Section for more details)
Form Tool Rougher None
Finisher NFT08-2F
Performance Curves
(Pressure rise through cartridge only)
(2)
(1)
(2)
(1)
Flow (Q)
20
5.3
25
6.6
0
5
1.3
10
2.6
15
4.0
LPM
GPM
30
7.9
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
725
150
200
100
50
Pressure Drop
2175
2900
PSI Bar
1450
Flow vs. Inlet Pressure
A02B2H
A02B2F
BASIC VALVE PRESSURE DROP
Flow (Q)
20
5.3
25
6.6
0
5
1.3
10
2.6
15
4.0
LPM
GPM
30
7.9
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
1450
300
400
200
100
Pressure Drop
4350
5800
PSI Bar
2900
Flow vs. Inlet Pressure
A02B2P
BASIC VALVE PRESSURE DROP
Direct Acting Relief Valve
Series A02B2
Catalog HY15-3502/US
PC18
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.) /
(SK30500N-1)
V Fluorocarbon /
(SK30500V-1)
Code Pressure Adjustment Range
F 2 - 100 Bar (29 - 1450 PSI)
H 5 - 210 Bar (72 - 3000 PSI)
P 5 - 420 Bar (72 - 6000 PSI)
Code Adjustment Style / Kit No.
Z Screw Adjust (Std.)
W Knob Adjust
T Tamper Resistant Cap (TC1130)
Y Non Adjustable Preset
A02B2
08 Size
Direct Acting
Relief Valve
Optional Pressure Setting
Specify setting if required (Bar)
Y Setting must be specified
A02B2F Standard Setting:
50 Bar (725 PSI)
@ 2 LPM (0.5 GPM)
A02B2H Standard Setting:
100 Bar (1450 PSI)
@ 2 LPM (0.5 GPM)
A02B2P Standard Setting:
200 Bar (2900 PSI)
@ 2 LPM (0.5 GPM)
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 (B08-2-*4P)
6P 3/8 NPTF (B08-2-*6P)
4T SAE-4 (B08-2-*4T)
6T SAE-6 (B08-2-*6T)
6B 3/8 BSPG (B08-2-*6B)
'Z'
20.8 (0.82)
max
57
(2.24)
27.7
(1.09)
'Y'
59.0
(2.32)
max
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
T (2)
P (1)