Catalog HY15-3501/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
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Coils &
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Cavities
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SH
CV
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BC
TD
Spool Type, 4-Way Valve
Series GS02 51
SV97
Technical Information
Specifications
Rated Flow High Flow/Pressure (‘SP’ Coil)
(At 70 PSI
∆∆
∆∆
∆P) 17 LPM (4.5 GPM)
Maximum Inlet ‘SP’ Coil 350 Bar (5000 PSI)
Pressure
Maximum Tank 210 Bar (3000 PSI)
Pressure
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
Campatibility/ 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 .18 kg (.40 lbs.)
Cavity C08-4
(See BC Section for more details)
General Description
4-Way, 3 Position, Closed Center Spool Valve.
For additional information see Technical Tips on
pages SV1-SV6.
Features
•
Designed to operate double acting cylinders, pilot circuits
and bi-directional motors, etc.
•
High flow capacity with reduced space requirements
•
High pressure capability to 350 Bar (5000 PSI)
•
One piece cartridge housing ensures internal
concentricity
•
Coil: Waterproof, hermetically sealed, requires no
O’Rings; Symmetrical coil can be reversed without
affecting performance.
•
Manual override available
•
All external parts zinc plated
Performance Curves
(2)
(4)
(3)
(1)
(1) T
(2) A
(3) P
(4) B
0
50
100
150
14.0
3.5
7.0
10.5
Pressure Drop
200
PSI Bar
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Pressure Drop vs. Flow (Through cartridge only)
Flow (Q)
15.2
4
0
3.8
1
7.6
2
11.4
3
LPM
GPM
18.9
5
Flow (Q)
15.2
4
0
3.8
1
7.6
2
11.4
3
LPM
GPM
18.9
5
0
1000
2000
3000
350
280
70
140
210
Pressure
5000
4000
PSI Bar
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Operating Limits
(Measured at 75% of Nominal Current)
Reduce Operating
Limits By 10% For
Manual Override
GS02 51 ('SP' Coil)