Catalog HY15-3502/US
P.O., Spool Type, Kick-Down Valve
Series A04K2
PC47
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
Kick-Down, Pilot Operated Relief Valve. For additional
information see Technical Tips on pages PC1-PC6.
Features
High flow capacity
Integral 250 micron pilot flow filter
Hardened working parts for maximum durability
Adjustable and tamper resistant versions available
All external parts zinc plated
Rated Flow 160 LPM (42 GPM)
Maximum Inlet 420 Bar (6000 PSI)
Pressure
Maximum H - 10-210 Bar (145-3000 PSI)
Pressure Setting P - 10-420 Bar (144-6000 PSI)
Maximum Tank 420 Bar (6000 PSI)
Pressure
Sensitivity: H - 30 Bar (435 PSI)
Pressure/Turn P - 55 Bar (800 PSI)
Leakage at 25 ml/min.
150 SSU (32 cSt) @ 50 Bar (725 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 0.29 kg (0.64 lbs.)
Cavity C10-2
(See BC Section for more details)
Form Tool Rougher None
Finisher
Performance Curve
(Pressure rise through cartridge only)
Application Note
Valve unloads completely when setting is reached and
resets when fluid supply is removed.
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(1)
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(1)
Flow (Q)
120
31.7
0
40
10.6
80
21.1
LPM
GPM
160
42.3
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
73
15
20
10
5
Pressure Drop
218
290
PSI Bar
145
Pressure Drop vs. Flow
P.O., Spool Type, Kick-Down Valve
Series A04K2
Catalog HY15-3502/US
PC48
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.) /
(SK30503N-1)
V Fluorocarbon /
(SK30503V-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)
A04K2
10 Size
Kick-Down
Relief Valve
Optional Pressure Setting
Specify setting if required (Bar)
A04K2H Standard Setting:
100 Bar (1450 PSI)
A04K2P Standard Setting:
200 Bar (2900 PSI)
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)†
21.8
(0.86)
max
39.5
(1.56)
31.8
(1.25)
5 AF Hex socket
17 AF Hex.
12 Nm
(9 lb. ft.)
Torque
26 AF Hex.
50 Nm
(37 lb. ft.)
Torque
7/8" - 14 UNF
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