Catalog HY15-3501/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Shuttle Valve
Series K3A125
SH13
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
Technical Information
Dimensions
Millimeters (Inches)
Ordering Information
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
General Description
Two Position, Three Way, Spring Centered Shuttle
Valve. For additional information see Technical Tips
on pages SH1-SH2.
Features
High flow capacity
Compact cost effective design
Various spring options available
Used in transmission systems as purge valve where
hydraulic parking brake is necessary
Hardened working parts for maximum durability
All external parts zinc plated
Code Switching Pressure
1.0 1.0 Bar (15 PSI) Std.
9.0 9.0 Bar (130 PSI)
K3A125
Shuttle Valve Switching
Pressure
Specifications
Rated Flow 175 LPM (46 GPM)
Nominal Flow @ 105 LPM (28 GPM)
7 Bar (100 PSI)
Maximum Inlet 350 Bar (5000 PSI)
Pressure
Cartridge Material Steel operating parts,
hardened steel poppet.
Operating Temp. -40°C to +93.3°C (Nitrile, Buna-N)
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 .32 kg (.70 lbs.)
Cavity 3J
(See BC Section for more details)
Code Porting
092 3/4 BSP
093 1 SAE
Body
Material
Porting
Code Body Material
A Aluminum
S Steel
Line Body
LB10
Order Bodies Separately
Application
Code Seals / Kit No.
N Nitrile, Buna-N /
(SK30040N-1)
V Fluorocarbon /
(SK30040V-1)
Seals
(3)
(2)
(1)
(1)
In
(2)
Out
(3)
In
10.50
(0.41)
92.00
(3.62)
35 AF Hex.
85 Nm (63 lb. ft.)
Torque
1-3/16" - 12 UNF
(1)
In
(3)
In
(2)
Out
Purge valve in transmissions with hydraulic parking brake
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
30
7.9
60
15.9
120
31.7
90
23.8
LPM
GPM
0
150
39.7
180
47.6
0
73
290 20
15
10
5
218
PSI Bar
145
Pressure Drop ( P)
3 to 2
&
1 to 2