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A screw-in, cartridge-style, hydraulic check valve for use as a blocking or load-holding device.
The CV08-20 allows flow passage from ➀ to ➁, while normally blocking oil flow in the opposite direction.
The cartridge has a fully guided check which is spring-biased closed until suffi cient
pressure is applied at ➀ to open to ➁
• Hardened seat for long life and low leakage.• Optional bias springs for back-pressure application flexibility.• Fully guided check assembly.• Compact size.• Fast closing and seating.
Operating Pressure: 240 bar (3500 psi)
Proof Pressure: 350 bar (5075 psi)
Flow: See Performance Chart
Internal Leakage: 0.10 cc/minute (2 drops/minute) max. at 240 bar (3500 psi)
Crack Pressure Defi ned: Gauge psi evident at ➀ at 16.4 cc/minute (1 cu. in./minute) attained
Standard Bias Springs at Crack: 0.3 bar (4 psi); 0.7 bar (10 psi); 1.7 bar (25 psi); 4.1 bar (60 psi)
Temperature: -40 to 120°C
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
Cavity: VC08-2; See page 9.108.1
Cavity Tool: CT08-2XX; See page 8.600.1
Seal Kit: SK08-2X-T; See page 8.650.1
