Flow Control Valves

FRRV12-41F — Flow Control with Adjustable Pressure Relief
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FRRV12-41F Valve
U.S. Patent 7,063,100

FRRV10-41F Valve symbol
A screw-in, cartridge-style, multi-function valve which includes a fixed-compensated,
priority-type flow regulator and an adjustable pressure relief valve in one cartridge.

The FRRV12-41F maintains a constant flow rate from 3 regardless of load pressure
changes at priority port 3 or bypass port 2. When load pressure at 3 reaches the
setting of the relief valve, flow is dumped over the relief at 4. The exit flow from the
relief can be connected to tank or to the bypass flow.
Note: Back pressure at port 4 is directly additive to the relief setting.

• Two valve functions in one, industry-common cavity.
• Adjustments cannot be backed out of the valve.
• Relief valve adjustments prohibit relief valve spring from going solid.
• Quiet, modulated response.
• Hardened parts for long life.

Operating Pressure: 207 bar (3000 psi) maximum
System Pressure: 276 bar (4000 psi) maximum
Priority Flow: 45.4 lpm (12.0 gpm) maximum regulated
Inlet Flow: 75.7 lpm (20.0 gpm) maximum
Relief Valve Pressure Setting Ranges: 17 to 207 bar (250 to 3000 psi)
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: VC12-4; See page 9.112.1_4w
Cavity Tool: CT12-4xx; See page 8.600.1
Seal Kit: SK12-4x-MMM; See page 8.650.1




FRRV12-41F Flow vs. Pressure



FRRV12-41F Valve Dimensions



Cartridge: Weight: 0.43 to 0.48 kg.
(0.95 to 1.05 lbs.) depending on option selected;
Steel with hardened work surfaces. Zinc-plated
exposed surfaces; Buna N O-rings and polyester
elastomer back-ups standard. Anodized aluminum
knobs and caps.

Standard Ported Body:
Weight: 1.5 kg. (3.3 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_4w

For Pressure Adjustment option details,
see page 6.003.1



FRRV12-41F Ordering