Catalog HY15-3502/US
Direct Acting Relief Valve
Series A04B2FY*CE,HY*CE,PY*CE
PC23
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. Pressure
Equipment Directive (PED 97/23/EC) compliant to
hazard category IV. For additional information see
Technical Tips on pages PC1-PC6.
Features
Fast response with good stability
Compact space saving design
Poppet type construction for lower leakage
Full 420 Bar (6000 PSI) pressure capability
Hardened working parts for maximum durability
Tamperproof setting
All external parts zinc plated
Rated Flow 100 LPM (26 GPM)
Maximum Inlet FY - 2-100 Bar (29-1450 PSI)
Pressure HY - 5-210 Bar (72-3000 PSI)
PY - 5-420 Bar (72-6000 PSI)
Maximum 420 Bar (6000 PSI)
Pressure Setting
Sensitivity: FY - 11 Bar (165 PSI)
Pressure/Turn HY - 21 Bar (305 PSI)
PY - 44 Bar (630 PSI)
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 0.25 kg (0.55 lbs.)
Cavity C10-2
(See BC Section for more details)
Form Tool Rougher None
Finisher NFT10-2F
Performance Curves
(Pressure rise through cartridge only)
(2)
(1)
(2)
(1)
Flow (Q)
75
19.8
0
25
6.6
50
13.2
LPM
GPM
100
26.4
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
A04B2H
A04B2H
A04B2F
A04B2F & A04B2H
Flow (Q)
75
19.8
0
25
6.6
50
13.2
LPM
GPM
100
26.4
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
A04B2P
Direct Acting Relief Valve
Series A04B2FY*CE,HY*CE,PY*CE
Catalog HY15-3502/US
PC24
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.) /
(SK30503NP-1)
V Fluorocarbon /
(SK30503VP-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.
Y Non Adjustable Preset (Std.)
A04B2
10 Size
Direct Acting
Relief Valve
Optional Pressure Setting
Setting must be specified (Bar)
Y
2.0
(0.08)
max
59
(2.32)
31.8
(1.25)
26 AF Hex.
50 Nm
(37 lb. ft.)
Torque
7/8" - 14 UNF
T (2)
P (1)
Body
Material
Port
Size
Code Body Material
Omit Steel
A Aluminum
* Add “A” for aluminum, omit for steel.
† Steel body only.
Code Port Size Body Part No.
Omit Cartridge Only
4P 1/4 NPTF (B10-2-*4P)
6P 3/8 NPTF (B10-2-*6P)
8P 1/2 NPTF (B10-2-*8P)
6T SAE-6 (B10-2-*6T)
8T SAE-8 (B10-2-*8T)
T8T SAE-8 (B10-2-T8T)†
6B 3/8 BSPG (B10-2-6B)†
CE