RV08-29 Relief, Direct-Acting Poppet (RV08-29)

A screw-in, cartridge-style, direct-acting, poppet-type, hydraulic relief valve intended for stable function in very low flow circuits that control pilot-operated valves.

Product Operation

The RV08-29 blocks flow from ➀ to ➁ until suffi cient pressure is present at ➀ to force the spring-opposed poppet from its seat.

Product Features

 Adjustments cannot be backed out of the valve.
 Hardened poppet and cage for long life.
 Optional spring ranges to 241 bar (3500 psi).
 Smooth response to pressure surges.
 Industry common cavity.• Compact size.

Product Ratings

Operating Pressure: 241 bar (3500 psi)
Flow: Up to 1.89 lpm (0.5 gpm); see performance curve.
Internal Leakage: 3 ml/minute (0.18 cu. in./minute) max. to 80% of nominal setting
Crack Pressure Defi ned: bar (psi) evident at 0.95 lpm (0.25 gpm) attained
Reseat Pressure: Nominal 80% of crack pressure
Temperature: -40° to 100°C with standard Buna seals; -26° to 204°C with Fluorocarbon seals; -54° to 104°C with Polyurethane 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
Cavity: VC08-2; See page 9.108.1
Cavity Tool: CT08-2XX; See page 8.600.1
Seal Kit: SK08-2X-B; See page 8.650.1

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