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A screw-in, cartridge-style, direct-acting, differential area, poppet-type hydraulic relief valve for use as a pressure limiting device in more demanding hydraulic circuits requiring low hysteresis and low internal leakage at high working pressures.
The RV50-22 blocks flow from ➁ to ➀ until suffi cient pressure is present at ➁ to force the poppet from its seat.
The cartridge offers smooth transition in response to load changes in common
hydraulic circuits.
Note: The RV50-22 may not be used in cross-over relief applications (back pressure
on ➀).
• Adjustments cannot be backed out of the valve.
• Adjustments prohibit springs from going solid.
• Hardened poppet and cage for long life.
• Smooth response to pressure surges.
• Industry common cavity.
Operating Pressure: 345 bar (5000 psi)
Flow: The Performance Chart illustrates flow handling capacity at maximum setting. Pressure rise will vary with setting due to flow forces. Consult factory for specifi c flow characteristic values.
Pressure Rise: 0.34 bar/l (5 psi/g)
Internal Leakage: 0.25 cc/minute (5 drops/minute) max. to 85% of nominal setting
Crack (Set) Pressure Defi ned: bar (psi) evident at 0.95 lpm (0.25 gpm) attained
Standard Spring Range: 34.5 to 344.8 bar (500 to 5000 psi) at 80% accuracy
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: VC10-2; See page 9.110.1
Cavity Tool: CT10-2XX; See page 8.600.1
Seal Kit: SK10-2P-T; See page 8.650.1
