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An in-line-housed, pilot-operated, hydraulic check valve for use in blocking or load-holding circuits.
The PCV10 allows flow from B to A, while normally blocking flow from A to B.
Flow will be allowed from A to B when pressure is applied at X.
The check valve has a 4:1 pilot ratio, meaning that at least one-fourth of the load
pressure held at A is required at X to open the valve.
The check is spring-biased at 2 bar (30 psi) to assure holding in static or no-load
conditions. A sealed pilot piston option with check spring bias of 6.9 bar (100 psi)
is available.
• Hardened seat for long life and low leakage.
• Optional sealed pilot piston.• Optional spring ranges.
• Check section is serviceable as a cartridge.
Operating Pressure: 240 bar (3500 psi)
Flow: See Performance Chart
Internal Leakage: A to B: 0.25 cc/minute (5 drops/minute) max. at 240 bar (3500 psi); B to X (without sealed piston): 245 cc/minute (15 cu. in./minute) max. at 240 bar (3500 psi)
Pilot Ratio: 4:1
Temperature: -40 to 120°C with standard Buna seals
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Check Spring Bias: 2 bar (30 psi); with sealed piston option, 6.9 bar (100 psi)
Seal Kit (for CV10-20):
SK10-2X-T; See page 8.650.1; Piston Seal: See Dimension Drawing
Pilot Piston Service Part Numbers: O-Ring (1): Buna 6001014; Fluorocarbon 6003014 Back-ups (2): Buna 6011014; Fluorocarbon 6011014
