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
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Solenoid
Valves
Proportional
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Coils &
Electronics
Bodies &
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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