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Parker S & H Series Selector Valve
Parker’s S, H, SM, & HM are two position Selector Valves. The S & SM Models are designed for directing an input flow to two different selectable circuits. The H & HM Models are designed for adding float (or freewheeling) functionality to a circuit.
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Parker’s S and SM accessory valves are two-position, three-way selector valves. They are designed for directing flow from one single pump to one, or the other of two separate hydraulic lines. An example of this is the operation of two single-acting cylinders, independent of each other.
Parker’s H and HM accessory valves are two-position, three-way selector valves. They are designed to be used with a three-position, four-way valve to provide a float or free-wheeling condition.
Markets:
• Aerial
• Agricultural Machinery
• Construction Equipment
• Defense
• Forestry Equipment
• Marine
• Material Handling Equipment
• Mining
• Misc Transportation
• Oil & Gas
• Other Mobile
• Other Natural Resources
• Rail
• Refuse
• Turf Equipment
• Vocational and Municipal Equipment
Benefits:
• Chrome plated spool
• Pressure balanced spool
• High-tensile cast iron body
Applications:
• Suitable for various mobile applications
Technical Specifications
| For Fluid Type | Hyxdraullic Oil |
| Connection Size | #8, #10, #12, 1/2″, 3/4″, 1″ |
| Maximum Operating Temperature | +200 °F |
| Maximum Flow Rate | 10, 20, 30, 60 Gal/min |
| Minimum Operating Temperature | -40 °F |
| Actuation Type | Manual |
| Maximum Operating Pressure | 3000,2000, 3000, 2000 psi |
| Connection Type | SAE, NPT |
| Function | Selector Valve |
| Seal Material | Nitrile |
| Adjustment Mechanism | Knob |
| Body Material | Cast Iron (GSJ) |
| Weight | 5.4, 2.3, 3.2 lb |
Parker S & H Series Selector Valve Service Manual
Parker S & H Series Selector Valve Service Manual
