Vickers | CG06FV40
CG06FV40
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The CG06FV40 valve belongs to the Pressure Control Valves series and is manufactured by Vickers for hydraulic automation systems that need dependable over-pressure protection. It is a balanced piston relief valve that operates through hydraulic actuation, allowing system pressure to shift the internal spool and vent excess oil. A two-stage layout separates pilot and main flows to give quicker, steadier relief action. The unit tolerates working pressures up to 3000 psi and handles flow rates to 60 gpm, matching medium-capacity pumps and manifolds. A cast iron body resists shock and fatigue in demanding installations, while compatibility with fluids up to 225 SUS keeps response predictable across normal oil grades. A high vent spring extends the adjustable range for remote or differential control circuits.
Fluid cleanliness must meet ISO 19/17/14 so that erosive particles do not impair the pilot passages, and oil temperature can reach 66 °C without affecting seals. The valve mounts on a subplate and is secured with 5/8-11 UNC bolts, permitting removal without disturbing fixed pipework. Overall height is 6.28 in, overall length is 156.5 mm, and overall width is 106.4 mm, dimensions that fit compact power units. Subplate ports use a 1-1/16-12 UN (SAE-12) thread, aligning with common manifold patterns to minimize adapter fittings. These dimensional and interface limits define the installation envelope and support consistent pressure relief performance in hydraulic circuits.
Technical Specifications
Actuation
Hydraulic
Body Material
Cast Iron
Iso Cleanliness Code
19/17/14
Max Operating Pressure
3000 psi
Max Operating Temperature
66 C
Maximum Flow Rate
60 gpm
Maximum Viscosity
225 SUS
Mounting Bolts
5/8-11 UNC
Mounting Type
Subplate Mounted
Overall Height
6.28 in
Overall Length
156.5 mm
Overall Width
106.4 mm
Port Thread (subplate)
1-1/16-12 UN (SAE-12)
Stages
Two
Valve Type
Balanced Piston Relief Valve
Vent Spring
High
1620 Old Apex Road
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