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FC Series Full Range, Pressure Compensating, Variable Flow Control Valves, Under 1"

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FC Series Full Range, Pressure Compensating, Variable Flow Control Valves, Under 1"
FC Series Full Range, Pressure Compensating, Variable Flow Control Valves, Under 1". Full range pressure compensating variable control valves. Rotating the volume lever changes the orifice size, which varies the pressure drop across spring loaded metering spool.

  • Rated for 3000 psi (207 bar)
  • Variable flow from 0-300 GPM
  • Weighs 7-3/4 lbs. (3.52 kg)
  • Cast Iron Body
  • Heat Treated Compensator Spool
  • 416 Stainless Steel Rotary Spool is Standard, 316 SS is special order
  • Buna N O’Rings (Standard)
  • Heat Treated Free Reverse Check Seat
  • 30-Micron Filtration Recommended

416 is the most machinable grade of stainless steel. The alloy is magnetic in all conditions.
316 stainless steel has an increased molybdenum content to increase its resistance to corrosion when compared to other 300 series alloys.
In the sense of 'grades', 316 is harder and longer lasting than 416 stainless steel.

$94.97 - $124.09

Additional Description
FC51- Flow Control
FCR51- Relief for controlled flow
FC55- Returned flow thru check valves

ADJUSTABLE BALL SPRING RELIEFS – The adjustable ball spring relief (R) and the adjustable high lift ball spring relief (B) allow the customer pressure compensated flow up to the pressure setting on the relief. Once the pressure on the CF port increases above the relief setting the relief valve opens and diverts flow to the EX port while maintaining the pressure on the CF port. The EX port must be plumbed back to tank for both of these reliefs. Both relief options are preset to 1500 psi (103 bar), standard, and field adjustable from 750 to 3000 psi. (52 to 207 bar). Pressure settings between 250 and 750 psi (17 and 52 bar) can be achieved by using a different spring.

The B option’s advantage over the R option is that the cracking pressure at low and high flow is virtually the same. The B option is also more stable when flow is traveling past the ball and spring.

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