Catalog HY15-3502/US
Pilot Operated, Ventable Relief Valve
Series A06H3
PC55
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
Pilot Operated, Spool-Type, Ventable Relief Valve.
For additional information see Technical Tips on
pages PC1-PC6.
Features
•
High flow capacity
•
Full tank line back pressure
•
Excellent pressure flow characteristics
•
Ideal for pump relief and remote control or unloading via
vent (port 3)
•
Integral 250 micron pilot flow filter
•
Hardened working parts for maximum durability
•
Adjustable and tamperproof versions available
•
All external parts zinc plated
Rated Flow 400 LPM (106 GPM)
Maximum Inlet H - 10-210 Bar (145-3000 PSI)
Pressure P - 10-420 Bar (145-6000 PSI)
Maximum 420 Bar (6000 PSI)
Pressure Setting
Maximum Tank 420 Bar (6000 PSI)
Pressure
Leakage at 100ml/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 0.58 kg (1.28 lbs.)
Cavity C16-3S
(See BC Section for more details)
Form Tool Rougher None
Finisher
Performance Curves
(Pressure rise through cartridge only)
Flow (Q)
300
79.2
0
100
26.4
200
52.8
LPM
GPM
400
105.6
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 1 to 2
Flow (Q)
300
79.3
0
100
26.4
200
52.8
LPM
GPM
400
105.7
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
73
15
20
10
5
Pressure Drop
218
290
PSI Bar
145
Vented Open Pressure Drop 1 to 2
(2)
(1)
(3)
(2)
(3)
(1)
Pilot Operated, Ventable Relief Valve
Series A06H3
Catalog HY15-3502/US
PC56
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.) /
(SK30508N-1)
V Fluorocarbon /
(SK30508V-1)
Code Pressure Adjustment Range
H 10 - 210 Bar (145 - 3000 PSI)
P 10 - 420 Bar (145 - 6000 PSI)
Code Adjustment Style / Kit No.
Z Screw Adjust (Std.)
W Knob Adjust
T Tamper Resistant Cap (TC1130)
A06H3
16 Size
Pilot Operated
Relief Valve
Optional Pressure Setting
Specify setting if required (Bar)
A06H3H Standard Setting:
100 Bar (1450 PSI)
@ 15 LPM (4.0 GPM)
A06H3P Standard Setting:
200 Bar (2900 PSI)
@ 15 LPM (4.0 GPM)
22
(0.87)
max
43
(1.69)
55.25
(2.18)
5 AF Hex socket
17 AF Hex.
12 Nm
(9 lb. ft.)
Torque
38 AF Hex.
100 Nm
(74 lb. ft.)
Torque
1-5/16" - 12 UNF
T (2)
V (3)
P (1)
Body
Material
Port
Size
* Add “A” for aluminum, omit for steel.
Code Port Size Body Part No.
Omit Cartridge Only
16T SAE-16 (B16-3S-*16T)
16B 1″ BSPG (B16-3S-*16B)
Code Body Material
Omit Steel
A Aluminum
