Bosch Rexroth | 4WEH32Y6X6EG24N9K4-CSA
4WEH32Y6X/6EG24N9K4 CSA
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The 4WEH32Y6X/6EG24N9K4 CSA valve is manufactured by Bosch Rexroth and belongs to the WEH Directional Spool Valves series. It directs hydraulic oil so that automated actuators receive or block flow as required. The valve is built to size NG 32 and installs by subplate mounting, which simplifies replacement in standardized stacks. Port locations follow the ISO 4401 pattern, ensuring interchangeability with other compliant hardware. Electrical control is provided through a DIN EN 175301-803 type K4 connector that mates with common industrial cable sets. Fluid viscosity may reach 500 mm²/s, and the hydraulic medium can be as hot as +80 °C without loss of function. The surrounding environment may rise to +50 °C, while oil cleanliness must remain at ISO 4406 class 20/18/15 to protect the precision-fit spool.
The unit carries a maximum operating pressure of 280 bar on ports P, A, and B, while the return line at port T accepts up to 250 bar. Pilot control circuits may supply as much as 250 bar and must provide at least 10 bar for two-spool spring operation. External pilot return pressure is limited to 210 bar, and each two-spool shift moves a pilot volume of 58.8 cm³. The main flow path handles up to 1100 l/min, yet when the Y symbol is used at 350 bar the performance limit is 420 l/min to avoid excessive power loss. These pressure and flow ratings allow the valve to manage high-capacity cylinders and motors while maintaining predictable switching behavior.
Technical Specifications
Ambient Temperature Max
+50 C
Cleanliness Class
ISO 4406 20/18/15
Electrical Connection
DIN EN 175301-803 (K4)
Fluid Temperature Max
+80 C
Maximum Flow
1100 l/min
Maximum Operating Pressure (p, A, B)
280 bar
Maximum Pilot Pressure
250 bar
Maximum Viscosity
500 mm2/s
Minimum Pilot Pressure (2-spool, Spring)
10 bar
Mounting
Subplate Mounting
Performance Limit (symbol Y, 350 Bar)
420 l/min
Pilot Return Pressure Max (y External, Dc)
210 bar
Pilot Volume (2-spool Switching)
58.8 cm3
Port T Pressure Max
250 bar
Porting Pattern
ISO 4401
Size (ng)
32
1620 Old Apex Road
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