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An in-line-housed, double-pilot-operated, hydraulic check valve with optional thermal reliefs for use in blocking or load holding circuits.
The DCV10 allows flow from V ports to C ports, while normally blocking flow in the opposite direction. Flow will be allowed from C to V when pressure is applied to the opposite side V port.
The valve has a 4:1 pilot ratio, so at least one-fourth of the load pressure held at either C port is required at the opposite V port to open the flow passage.
The check is spring-biased at 2 bar (30 psi) to assure holding in static or no-load conditions. An optional sealed piston with check spring bias of 6.9 bar (100 psi) is available. Optional thermal reliefs are preset to 348 bar (5050 psi) as standard. NOTE: Thermal reliefs cannot be used with sealed pistons.
• Hardened seat for long life and low leakage.• Check section serviceable as a cartridge.• Optional cartridge thermal relief(s).• Optional sealed piston. • Optional spring ranges.• Low pressure drop.
Flow: up to 76 lpm (20 gpm)
Optional Thermal Relief Factory Setting: 348 ±38 bar (5050 ±550 psi)
Thermal Relief Reseat: 207 bar (3000 psi)
Internal Leakage: Cx to Vx: 0.25 cc/minute (5 drops/minute) maximum at 207 bar (3000 psi);
V1 to
V2: (without sealed piston): 328 cc/minute (20 cu. in./minute) maximum at 240 bar (3500 psi)
Pilot Ratio: 4:1
Check Spring Bias: 2 bar (30 psi); with sealed piston option, 6.9 bar (100 psi)
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
Seal Kit (for CV10-2x): SK10-2x-T (2 required); See page 8.650.1
Pilot Piston Service Part Numbers: O-Ring (1) – Buna 6001014, Fluorocarbon 6003014 Back-up (2) – Buna 6011014, Fluorocarbon 6011014
ISO SYMBOL
4.251.1
