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A screw-in, cartridge-style, bypass-type, pressure-compensating element, with inte-gral flow regulator for load sense signal drain. The internal pressure-compensated flow regulator restricts the load signal bleed flow in order to minimize system losses even at high operating pressures. The main compensator element holds the valves primary flow constant regardless of load pressure changes.
The EPFR58-35 is a spring-biased spool-type valve with an internal pressure-com-pensated flow regulator between ➁ and ➂. When used as a pump unloading com-pensator, this valve will bypass flow to tank at port ➁ when system pressure reaches the load pressure plus the bias spring value. When the system load is neutralized, the load signal is bled through the flow regulator bringing the valve to stand-by condition.
• Multiple function in a single cavity.
• Low bleed flow throughout the operating pressure range.
• High system effi ciency.
• Industry common cavity
Operating Pressure: Cartridge only: 345 bar (5000 psi); Aluminum housing: 207 bar (3000 psi); Ductile iron housing: 345 bar (5000 psi).
Flow Rate: See Performance Chart
Maximum Flow Loss between ➂
and ➁
: 0.95 lpm (0.25 gpm) at 345 bar (5000 psi)
Bias Springs:Code 80 5.5 bar (80 psi)
Code 110 7.6 bar (110 psi)
Code 150 10.3 bar (150 psi)
Temperature: -40 to 120°C with standard Buna N 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: VC08-3; See page 9.108.1
Cavity Tool: CT08-3XX; See page 8.600.1
Seal Kit: SK08-3X-MM; See page 8.650.1
