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Flow Control Valves
FR12-30F — Flow Regulator, Pressure Compensated
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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 FR12-30F 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 FR12-30F 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. Consult factory.
Hardened parts for long life.
Quiet, modulated response.
Operating Pressure: 240 bar (3500 psi)
Flow Rate: 49.2 lpm (13.0 gpm) max. regulated; 94.6 lpm (25.0 gpm) max. input
Standard Compensator Bias Spring: 6.5 bar (95 psid) differential
Flow Maintenance Setting Range: 3.8 to 11.4 lpm (1.0 to 3.0 gpm) to accuracy of ±15%;
11.4 to 45.4 lpm (3.0 to 12.0 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: VC12-3; See page 9.112.1_3w
Cavity Tool: CT12-3xx; See page 8.600.1
Seal Kit: SK12-3x-MM; See page 8.650.1
Cartridge: Weight: 0.30 kg. (0.68 lbs.);
Steel with hardened work surfaces.
Zinc-plated exposed surfaces; Buna N
O-rings and polyester elastomer back-ups standard.
Standard Ported Body: Weight: 0.98 kg. (2.15 lbs.); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar (3000 psi); Ductile iron bodies available; dimensions may differ.
See page 8.012.1_3w
|Selection guide - similar valves.
||PDF file of this page.||STP file for FR12-30F||Request a quote.|