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Flow Control Valves
FR08-30F — Flow Regulator, Pressure Compensated
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STP file for FR08-30F.
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A screw-in, cartridge-style, non-adjustable, pressure-compensated, hydraulic flow
regulating valve intended for use in fixed displacement hydraulic circuits requiring
partial pump flow diversion on a priority basis.
The FR08-30F maintains a constant flow rate out of port 3 regardless of load pressure changes in
the circuit downstream of port 3, or in the bypass leg at 2.
The valve’s spool maintains a constant differential pressure of 6.5 bar (95 psi) across a fixed internal
orifice, thereby regulating the hydraulic flow rate from 1 to 3.
The FR08-30F is a priority type regulator, delivering the pump flow to 3 first, then
bypassing excess to 2. All ports may be fully pressurized.
Flow out of priority port 3 may vary based on input flow amount, particularly with lower temperatures
and increased fluid viscosities. Settings may need to be established through correlation study.
Hardened parts for long life.
Quiet, modulated response.
Compact, industry-common cavity.
Operating Pressure: 207 bar (3000 psi)
Flow Rate: 7.6 lpm (2.0 gpm) max. regulated; 11.4 lpm (3.0 gpm) max. input.
Inlet pressure at port 1 begins to rise over the compensating differential
when bypass flow exceeds 7.5 lpm (2 gpm)
Standard Compensator Bias Spring: 6.5 bar (95 psid) differential
Flow Maintenance Setting Range: 0.4 to 1.8 lpm (0.10 to 0.49 gpm) to accuracy of ±15%;
1.9 to 7.5 lpm (0.5 to 2.0 gpm) to accuracy of ±10%
Temperature: -40° to 100°C (-40° to 212°F) with Buna seals;
-26° to 204°C (-15° to 400°F) with Fluorocarbon 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_3w
Cavity Tool: CT08-3xx; See page 8.600.1
Seal Kit: SK08-3x-TB; See page 8.650.1
Cartridge: Weight: 0.14 kg. (0.30 lbs.);
Steel with hardened work surfaces.
Zinc-plated exposed surfaces; Buna N
O-rings and back-ups standard.
Standard Ported Body: Weight: 0.27 kg. (0.60 lbs.); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar
(3000 psi); Ductile iron bodies available; dimensions may differ.
See page 8.008.1_3w
|Selection guide - similar valves.
||PDF file of this page.||STP file for FR08-30F||Request a quote.|