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The XG033F30 pressure control valve is manufactured by Vickers for the Pressure Control Valves series and is intended to maintain stable pressure in hydraulic automation loops. Its reversible action lets pressure be regulated in either flow direction, while pilot actuation minimizes the force required to shift the spool. A front-mounted knob offers manual adjustment anywhere up to the maximum operating pressure of 3000 psi, giving on-site technicians precise control. The unit handles flow rates to 14 gpm, and the SAE 8 (3/4-16 UNF) ports simplify connection to common hose fittings. Subplate or manifold mounting streamlines installation inside compact control blocks, and a cast-iron body adds mechanical strength for demanding mobile or industrial equipment. The valve is compatible with petroleum-based oils, aligning with standard power-unit fluids used throughout hydraulic machinery.
Buna-N seals resist petroleum oil swelling and provide leak control across the working temperature span of -20 °C to 70 °C. Cleanliness requirements are held to ISO 19/17/14 so the internal surfaces avoid abrasive wear during long service intervals. A maximum fluid temperature of 155 °F protects the elastomers from thermal degradation under continuous load. The design omits a check valve, so reverse flow is unimpeded when circuit conditions demand it. Each specification supports dependable performance: the cleanliness class safeguards dynamic clearances, the temperature limits protect sealing materials, and the absence of a check element keeps pressure control symmetrical in both flow directions.
Action
Reversible
Actuation
Pilot
Adjustment Range
3000 psi
Adjustment Type
Knob
Body Material
Cast Iron
Check Valve
No
Fluid Cleanliness
19/17/14
Fluid Compatibility
Petroleum-oils
Max Flow Rate
14 gpm
Max Operating Pressure
3000 psi
Max Operating Temp
+155 °F
Port Size
SAE 8 (3/4–16 UNF)
Seal Material
Buna-N
Valve Mount Type
Subplate/manifold mounted
Working Temp Max
70 degree Celsius
Working Temp Min
-20 degree Celsius
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