Bosch Rexroth | 4WP6GA6X5
4WP6GA6X/5
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The 4WP6GA6X/5 valve from Bosch Rexroth belongs to the WP Pneumatic Spool Valves series and is specified for directing hydraulic flow in automated machinery. It uses pneumatic actuation to shift the spool, which removes the need for electrical coils in areas where air control is preferred. The component is built in size 6, providing a compact envelope for manifold mounting. A maximum flow capacity of 60 l/min lets it handle moderate circuit volumes without excessive pressure loss. Four main ports support typical P, A, B, and T connections for directional control, and these ports are arranged radially to ease line routing in tight blocks. The clamping length is 42 mm, allowing predictable stack dimensions during assembly. It can be installed in any position, so designers are not restricted by orientation. A switching frequency up to 7 200 cycles per hour accommodates rapid duty cycles in pneumatic pilot systems.
For pressure parameters, the valve endures up to 315 bar on the pressure and work ports, enabling use in high-pressure hydraulic supplies. The tank port tolerates 160 bar, covering return circuits that operate above standard low-pressure limits. Pneumatic pilot control is available between 4 and 10 bar, giving a stable window for reliable shifting, and the pilot volume of 4.24 cm³ limits air consumption during each actuation. NBR seals are fitted to resist common hydraulic fluids while maintaining elasticity over a wide temperature range. Fluid cleanliness must meet ISO 4406 (c) 20/18/15 to prevent spool wear and sticking, ensuring consistent operation throughout the intended service life.
Technical Specifications
Actuation Type
Pneumatic
Clamping Length
42 mm
Cleanliness Class
ISO 4406 (c) 20/18/15
Connections
Radial
Installation Position
Any
Maximum Flow
60 l/min
Maximum Operating Pressure (a,b,p)
315 bar
Maximum Pilot Pressure
10 bar
Maximum Tank Port Pressure (t)
160 bar
Minimum Pilot Pressure
4 bar
Number Of Main Ports
4
Pilot Volume
4.24 cm3
Seal Material
NBR
Size
6
Switching Frequency Max
7200 1/h
1620 Old Apex Road
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