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Vickers | CVCS-25-U-S2-W-125-11

CVCS-25-U-S2-W-125-11

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The CVCS-25-U-S2-W-125-11 relief valve is manufactured by Vickers as part of the Relief Valves series. It protects hydraulic automation circuits by opening when line pressure exceeds a calibrated set point. The unit supports a flow rate of 590 l/min so it can divert large volumes during transient overloads. A 350 bar pressure rating defines the highest adjustable limit for system protection. The body is machined from cast bars to withstand repeated pressure cycles, and size 25 cavity dimensions match standard manifolds. Buna-N seals maintain leakage control when the valve is used with petroleum oils, ensuring chemical compatibility in mobile and industrial installations.

The housing measures 5.99 in in length, 3.51 in in width, and 2.48 in in height, yielding an overall volume of 52.142 in³ that allows compact stacking in modular blocks. Service weight is 6.4 lb, permitting manual removal during maintenance. An SAE gauge port thread lets technicians connect a pressure gauge for accurate setting or diagnostics. Fluid cleanliness must be kept to 18/16/13 or better so the seat and poppet remain free of abrasive contamination. These dimensional, connection, and contamination parameters ensure reliable integration of the valve into high-pressure hydraulic manifolds.

Technical Specifications

Body Material
Cast Bars

Flow Rate
590 l/min

Fluid Cleanliness
18/16/13

Fluid Compatibility
Petroleum Oils

Gauge Port Thread Type
SAE

Height
2.48 in

Length
5.99 in

Pressure Rating
350 bar

Seal Material
Buna-N

Size
25

Volume
52.142 in³

Weight
6.4 lb

Width
3.51 in

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