Symbol
Description
FR04-20F is a screw-in, cartridge style, fixed orifice, pressure compensated, hydraulic flow regulator
valve (restrictive type)
Operation
The valve maintains a constant flow rate from port 1 to port 2 regardless of load pressure changes.
Reverse flow returns through the control orifice and is non-compensated
Features
Choice of several flow settings available.
Hardened parts for long life.
Quiet, modulated response.
Compact size.
Overview
Ratings
Pressure Ratings
Pressure rating
240 bar (3500 psi)
Proof pressure
345 bar (5000 psi)
Burst pressure
896 bar (13000 psi)
Flow Ratings
Flow rating
0.4 lpm (0.10 gpm) - Note: M0.4
1.0 lpm (0.26 gpm) - Note: M1.0
2.0 lpm (0.53 gpm) - Note: M2.0
3.0 lpm (0.79 gpm) - Note: M3.0
Temperature Ratings
Operating fluid temperature
-40 to 100 °C (-40 to 212 °F) - Note: With buna N seals
-26 to 204 °C (-15 to 400 °F) - Note: With fluorocarbon seals
-54 to 107 °C (-65 to 225 °F) - Note: With polyurethane seals
Storage temperature
-40 to 70 °C (-40 to 160 °F)
Ambient temperature
-40 to 70 °C (-40 to 160 °F)
Other Ratings
Corrosion protection
960 hr salt spray per ASTM b117
Operating Parameters
Fluids
Mineral based or synthetic hydraulic fluid with lubricating properties
Fluid viscosity range
7.4 to 420 cSt
Maximum operating contamination level
18/16/13 per ISO 4406
Properties
Unit weight
0.03 kg (0.06 lb)
Internal wetted surface area
21.0 cm² (3.26 in²)
FR04-20F
hydraforce.com
FLOW REGULATOR PRESSURE COMPENSATED
hydraforce.com
1/21/2021
FR04-20F
Performance
Dimensions
Materials
Materials
Cartridge: Weight: 0.03 kg (0.06 lb) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N O-rings and fluorocarbon
back-ups standard.
Standard Ported Body: Weight: 0.17 kg (0.39 lb) Anodized high-strength aluminum alloy, rated to 207 bar (3000 psi).
Installation Specifications
Cavity
VC04-2
Cartridge installation torque
16 to 19 N-m (12 to 14 ft-lb)
Maximum allowable torque
27 N-m (20 ft-lb) - Note: Maximum allowable torque
Orientation restriction
None
Accessories
Seal kit
SK04-2X-B - Note: X = seal option
Housings
FR04-20F
hydraforce.com
FLOW REGULATOR PRESSURE COMPENSATED
hydraforce.com
1/21/2021
FR04-20F
Order Code
FR04-20F
hydraforce.com
FLOW REGULATOR PRESSURE COMPENSATED
hydraforce.com
1/21/2021
FR04-20F
