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The RCT 12 A1 30 valve belongs to the Pressure Control Valves series and is produced by Vickers for regulating system pressure in hydraulic automation circuits. The valve is pilot operated so a small control flow sets the main spool position, and its two stage arrangement stabilizes relief performance during load fluctuations. A screw with locknut lets maintenance staff set the pressure between 80 psi and 250 psi while preventing accidental change. An integrated check valve provides free reverse flow to protect downstream components. The unit mounts through a 1-1/2 in NPT thread for straightforward line installation and accepts up to 75 US gpm, enabling use in medium-flow manifolds. Compatibility with petroleum oils allows deployment in standard power units without fluid conversion.
Nitrile seals contain internal leakage and withstand common hydraulic oils. The permissible cleanliness level of 19/17/14 limits particle contamination and supports long service life. The valve tolerates ambient and oil temperatures from −20 °C (−4 °F) to 70 °C (158 °F), matching typical mobile and stationary installations. A maximum working pressure of 3000 psi keeps the body and internals intact in high-pressure loops. Physical dimensions of 4.250 in length, 5.810 in width, and 11.110 in height allow engineers to verify cabinet or line clearance before assembly.
Actuation Type
Pilot Operated
Adjustment Range
80-250 psi
Adjustment Type
Screw With Locknut
Check Valve
Yes
Fluid Cleanliness
19/17/14
Fluid Compatibility
Petroleum Oils
Height
11.110 in
Length
4.250 in
Max Flow
75 US gpm
Max Pressure
3000 psi
Mount Type
1-1/2 in NPT Thread
Seal Material
Nitrile
Stage
Two Stage
Width
5.810 in
Working Temp Max
70 C (158 F)
Working Temp Min
-20 C (-4 F)
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