CV04-20 & CV04-B20 Check Valves (CV04-20 & CV04-B)

A screw-in, cartridge-style, hydraulic check valve for use as a blocking or load-holding device. Available in conventional surface mount or convenient “down-hole” versions.

Product Operation

The CV04-20 and CV04-B20 allow flow passage from 1 to 2, while normally blocking oil flow in the opposite direction.
The cartridge has a fully guided check which is spring-biased closed until sufficient pressure is applied at 1 to open to 2.

Product Features

• Hardened seat for long life and low leakage.• Optional bias springs for back-pressure application flexibility.• Fully guided check assembly.• Miniature size.• Fast closing and seating.

Product Ratings

Operating Pressure: 241.3 bar (3500 psi)
Flow: See Performance Chart
Internal Leakage: 0.10 cc/minute (2 drops/minute) max. at 206.8 bar (3000 psi)
Crack Pressure Defined: Gauge psi evident at 1 at 16.4 cc/minute (1 cu. in./minute) attained
Standard Bias Springs at Crack: 0.34 bar (5 psi)
Temperature: -40° to 120°C (-40° – 248°F)
Filtration: Recommend 25μ nominal or better; 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
Cavity: VC04-2 or VC04-B2; See page 9.104.1
Cavity Tool: CT04-2xx or CT-B3xx; See page 8.600.1
Seal Kit: For CV04-20: SK04-2X-T; For CV04-B20: SK04-B2X-T
ISO SYMBOL
4.005.1

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