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35ER08-27 TYPE Inverse-proportional Electric Relief Valve

Series of pictures

A screw-in, cartridge-style, pilot-operated, spool-type pressure relief valve, which can be infinitely adjusted across a prescribed range using a variable electric input. Pressure output is inversely proportional to DC current input. This valve is intended for use as a pressure limiting device in demanding applications.

Maximum pressure(bar / psi):  241 / 3500

Rated flow (L/min / gpm): 19 / 5

Cavity: VC08-2

Configuration model/order number

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Series advantages

  • 12 and 24 volt coils standard 

  • Optional waterproof E-Coils rated up to IP69K 

  • Industry common cavity ·Hardened parts for long life

Technical specifications

Maximum   pressure241 bar (3500 psi)
Rated   flow19 L/min (5 gpm)
    P = 7.8 bar (113.3 psi) ±10%, cartridge only, ① to ② coil energized
Maximum   pilot flow0.76 L/min (0.2 gpm)
Relief   pressure range from zero
    to maximum control current
Minimum Pressure is factory   adjusted; A: 207~4.1 bar (3000~60 psi)
Hysteresis< 3%
CavityVC08-2 (See technical reference)
FluidMineral-based or synthetics with   lubricating properties
Viscosity   range7.4 to 420 mm2/s
Temperature   range-40 to 100 ℃ (Buna N seals)
-54 to   107 ℃ (Polyurethane seals)
-26 to   204 ℃ (Fluorocarbon seals)
Degree   of fluid contaminationThe minimum pollution level is   ISO4406 level 18/16/13, and level
    15/13/11 is recommended to prolong the service life
Installation   recommendationWhen possible, the valve should   be mounted below the reservoir oil level.This will maintain oil in the   armature preventing trapped air instability. If this is not feasible, mount   the valve horizontally for
    best results.


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