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.
• Adjustments cannot be backed out of the valve • Optional spring ranges to 350 bar • Smooth response to pressure surges • Industry common cavity • Hardened parts for long life
Technical Specs
Rated pressure
350 bar(5000 psi)
Peak flow
1.9 L/min(0.5 gpm)
Internal leakage
≤3 mL/min max. to 80% of nominal setting
Crack pressure defined
bar evident at 0.95 L/min attained
Reseat pressure
Nominal 80% of crack
Cavity
VC08-2
Fluid
Mineral-based or synthetics with lubricating properties
Fluid temperature range ℃
-26 to 204 ℃(Fluorocarbon seals)
-40 to 100 ℃ (Buna N seals)
Viscosity range
7.4 to 420 mm2/s
Degree of fluid contamination
The minimum pollution level is ISO4406 level 18/16/13, and level 15/13/11 is recommended to prolong the service life