LFR-MINI and LFR-MIDI Air Filter-Regulators

Description

LFR-MINI and LFR-MIDI combine air filtration and pressure adjustment in one unit. The two body sizes cover six port-and-flow combinations, allowing selection by connection size and air demand. Both offer standard manual drainage and an automatic-drain option.

Port sizes and flow

Model familyPort Rc(G)Maximum flow, L/min (ANR)
LFR-MINI1/8″750
1/4″1400
3/8″1600
LFR-MIDI1/4″2000
3/8″3100
1/2″3400

A 1/4″ or 3/8″ port is available in either body size. Select the family as well as the port size, since the flow rating differs between MINI and MIDI.

Shared operating specifications

ParameterSpecification
Working pressure0.15-1.2MPa
Standard filtration40μm
Optional filtration5μm
Standard drainageManual drain
Optional drainageAutomatic drain
Ambient temperature5-60°C

Adjustment and connections

The illustrated filter-regulator has a top adjustment knob, side threaded connections, a pressure gauge and a bowl guard with viewing slots. A drain is positioned at the bottom of the bowl.

Close view of an LFR threaded air connection
Threaded side connection.
LFR pressure gauge face with MPa and kgf per square centimetre scales
Pressure gauge face and scales.
LFR filter-regulator with its pneumatic circuit symbol
LFR assembly and filter-regulator pneumatic symbol.

The attached Pneumatic Components Catalogue includes the LFR range and other pneumatic components.