RV16-26 Relief, Pilot-Operated Spool

RV16-26   Relief, Pilot-Operated Spool

RV16-26 Relief, Pilot-Operated Spool (RV16-26)

Item In Stock

Product Description

A screw-in, cartridge-style, pilot-operated (two-stage), spool-type hydraulic relief valve, intended for use as a pressure limiting device in demanding hydraulic circuits which require fast response and low hysteresis.

Product Operation

The RV16-26 blocks flow from 1 to 2 until sufficient pressure is present at 1 to force the piloting relief off its seat, allowing the main (second stage) spool to shift, opening 1 to 2.
The cartridge offers smooth transition in response to load changes in demanding hydraulic circuits.
NOTE: The RV16-26 cannot be used in cross-over relief applications.

Product Features

Adjustments cannot be backed out of the valve.
Adjustments prohibit springs from going solid.
Hardened spool and cage for long life.
Optional spring ranges to 275.8 bar (4000 psi).
Fast, smooth response to pressure surges.

Product Ratings

Operating Pressure: 275.8 bar (4000 psi)
Flow: See Performance Chart
Internal Leakage: 115 cc/minute (7 cu. in./minute) max. for pressure settings below 138 bar (2000 psi); 197 cc/minute (30 cu. in./minute) for pressure settings of 138 bar (2000 psi) or higher. Leakage measured at 85% of nominal setting.
Crack Pressure Defined: bar (psi) evident at 7.61 lpm (2 gpm) attained
Reseat Pressure: Nominal 90% of crack pressure
Standard Spring Ranges:
03: 9.66–20.70 bar (140–300 psi);
06: 15.87–41.41 bar (230–600 psi);
15: 36.63–103.52 bar (530–1500 psi);
35: 82.82–241.55 bar (1200– 3500 psi)
Temperature: -40 to 70°C (-40 to 160°F)
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: VC16-2; See page 9.116.1
Cavity Tool: CT16-2XX; See page 8.600.1
Seal Kit: SK16-2X-B; See page 8.650.1