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VF SERIES

Pneumatic
Flow Controller

A directly-mountable speed control valve for cylinder and valve ports — free flow in one direction, finely adjustable metered flow in the other, in supply-control and exhaust-control versions.

Supply / Exhaust ControlR1/8–R1/21–10 Bar360° Rotation
UFlow VF Series pneumatic flow controller
TypeSupply / Exhaust Control
Pressure Range1–10 Bar
ThreadR1/8 – R1/2
Max Flow1,900 LPM
Model Information

Controller Specifications

Type
VF52 Supply Control  |  VF55 Exhaust Control
Media
Compressed Air — Dry / Lubricated
Operating Pressure
1–10 Bar
Ambient Temperature
+5°C to +60°C
Materials of Construction
Brass, Acetal, Nitrile
Applicable Tubes
Nylon, Polyurethane
Body Finish
Nickel plated, PTFE-coated male thread
Model Chart — R Series

Standard Thread Sizes

Model No.ThreadTube ODFree FlowControl Flow
VF-5204BV1 / 5504BV1R1/84 mm100 LPM100 LPM
VF-5206BV1 / 5506BV1R1/86 mm200 LPM140 LPM
VF-5206CV1 / 5506CV1R1/46 mm400 LPM350 LPM
VF-5210CV1 / 5510CV1R1/410 mm650 LPM450 LPM
VF-5210DV1 / 5510DV1R3/810 mm1,300 LPM1,000 LPM
VF-5210EV1 / 5510EV1R1/210 mm1,750 LPM1,500 LPM
VF-5212EV1 / 5512EV1R1/212 mm1,900 LPM1,600 LPM

M Series (M5 thread, Ø4/Ø6 tube, compact profile) also available for tight cylinder-port mounting.

Why VF Series

Precise Cylinder Speed Control

  • Directly mountable on cylinder / valve ports
  • Rotates 360° for flexible orientation after tightening
  • Fine adjustment needle for precise speed tuning
  • Nickel-plated body, PTFE-coated threads
  • Free flow in one direction, metered flow in the other
Function

Supply vs Exhaust Control

Exhaust-control (meter-out) mounting is the standard choice for smooth, load-independent cylinder speed control. Supply-control (meter-in) is used where exhaust metering is impractical, typically on light or vertical loads.

Meter-Out (Exhaust)Meter-In (Supply)Cylinder Speed Control
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Need to tune cylinder cycle speed?

Tell us your port thread and target cycle time and we'll recommend the right VF model.