Vickers | CG06BY40
CG06BY40
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The CG06BY40 pressure control valve belongs to the Pressure Control Valves series manufactured by Vickers. Intended for hydraulic automation circuits that need staged pressure activation, it performs a pressure sequence function to divert flow only after a preset upstream pressure is achieved. A balanced piston design stabilizes performance against downstream pressure fluctuations, and the setpoint can be tuned with a screw that is secured by a locknut to avoid drift. The valve body is made of cast iron for mechanical durability in industrial environments. It is sized as 06, or 3/4 inch nominal, and uses an SAE 12 port thread of 1 - 1/16-12 UN to align with common hose ends. Subplate or manifold mounting allows rapid replacement during service, and the internal passages are formulated for petroleum oils typically found in hydraulic power units.
The CG06BY40 withstands operating pressures to 3000 psi (210 bar), enabling installation on the high-pressure side of pumps without extra relief stages. It supports flow rates up to 60 gpm (227 l/min), covering medium-capacity actuators in presses and machine tools. Reliable function is maintained between −4 °F (−20 °C) and 158 °F (70 °C), so the valve can remain in unconditioned plant areas. To protect the metering surfaces, system oil cleanliness should be held to ISO 4406 code 19/17/14 or cleaner. The assembly weighs 11.0 lb, light enough for single-person handling while still providing the mass needed for vibration resistance. These performance limits ensure accurate sequencing in automated hydraulic stations that rely on predictable pressure transitions.
Technical Specifications
Adjustment Type
Screw With Locknut
Body Material
Cast Iron
Fluid Cleanliness
ISO 4406 19/17/14
Fluid Compatibility
Petroleum Oils
Maximum Flow Rate
60 gpm (227 l/min)
Maximum Operating Pressure
3000 psi (210 bar)
Mounting Type
Subplate/Manifold Mounted
Port Size
SAE 12 (1-1/16–12 UN)
Product Weight
11.0 lb
Valve Function
Pressure Sequence
Valve Size
06 (3/4 in nominal)
Valve Type
Balanced Piston
Working Temperature Max
158 °F (70 °C)
Working Temperature Min
-4 °F (-20 °C)
1620 Old Apex Road
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