Festo MS4-LFR Filter Regulator 5μm G 1/4, 12 bar

  • RS Stock No. 121-5653
  • Mfr. Part No. MS4-LFR-1/4-D7-CRV-AS
  • Brand Festo
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): HU
Product Details

FESTO MS-LFR Series Filter Regulators

The FESTO MS-LFR series offers a combined pressure regulator and filter. The MS4 and MS6 pneumatic filter regulators remove contaminants from compressed air down to a particle size of 5 μm or 40 μm (dependent on filter cartridge). The MS series regulators have a high flow rate and integrated return flow for exhausting air from port 2 to port 1.

Features and Benefits

  • Constant output pressure with return flow

  • Choice of fully automatic or manual drain

  • Plastic or fully integrated metal bowel guard

  • Can be fitted with analogue pressure gauge or sensor with LCD display

  • Rotary knob with a detent can be locked to prevent setting changes

  • Available in pressure ranges 0.3 bar to 7 bar and 0.5 bar to 12 bar

  • Available with G1/8 or G1/4 ports


  • Vertical assembly position

  • Fully automatic condensation drain

  • Standard nominal flow rate of 1,200 I/min

  • Optional mounting type of either front panel or line installation

  • G1/4 pneumatic connection

  • Aluminium die cast housing material

  • Rotary knob with lock actuator

Regulators and Filter Regulators

Attribute Value
Manufacturer Series MS4-LFR
Port Connection G 1/4
Drain Type Automatic
Filtration Size 5µm
Pressure Gauge Port G 1/4
Pressure Gauge Port Thread Size 1/4 in
Port Connection Thread Size 1/4 in
Maximum Operating Pressure 12 bar
Maximum Ambient Operating Temperature +60°C
Minimum Process Operating Temperature +5°C
Minimum Operating Pressure 2bar
Maximum Process Operating Temperature +60°C
Ambient Operating Temperature Range +5 → +60°C
Bowl Material Polycarbonate
Pressure Gauge Port Thread Standard G
Port Connection Thread Standard G
Minimum Ambient Operating Temperature +5°C
Process Operating Temperature Range +5 → +60°C
Available to back order for despatch 11/03/2020
Price Each
£ 86.09
(exc. VAT)
£ 103.31
(inc. VAT)
Per unit
1 - 4
5 +
Related Products
The 651 Series offers a complete range of ...
The 651 Series offers a complete range of modular, easy-to-assemble air preparation products. It includes the several filtration options (particulate, coalescing and adsorbing) with an extensive selection of bowl types and drains. Extended temperature range capabilities (-40°F to 176°F / -40°C to 80°C) allow the 651 series to be specified ...
Integral 1/2 or 3/4 ports (BSPP & NPT)High ...
Integral 1/2 or 3/4 ports (BSPP & NPT)High efficiency 5 micron element as standard Excellent water removal efficiency Robust but lightweight aluminium construction Positive bayonet latch to ensure correct & safe fitting Secondary pressure ranges 2, 4, 8 & 17 bar Secondary aspiration plus balanced poppet provides quick response and ...
The AW series from SMC is a combination ...
The AW series from SMC is a combination filter/ regulator that saves space and require less piping by integrating two units into one. The AW filter regulators are manufactured with strong materials designed to withstand high pressures and enables the user to operate a wide regulating pressure range. This series ...
Modular design with integrated ports Robust & lightweight ...
Modular design with integrated ports Robust & lightweight aluminium construction Filter & regulator functions combined into a single product High efficiency 5 micron element as standard Excellent water removal Available in a variety of secondary pressure ranges Secondary aspiration & balanced poppet provide quick response & accurate pressure regulation Relieving ...