R20

Piston-type high-capacity regulator of modular design with exchangeable inserts.
Can be interlocked with filter or lubricator without double nipples.
Each ”Maxi” regulator may be taken from a fixed line in seconds simply
by removing the mounting bolts.

Media: compressed air or non-corrosive gases

Supply pressure: max. 21 bar

Adjustment:
R20: by plastic knob with snap-lock
R21: by T-handle with locknut

Relieving function: relieving, optionally non-relieving
Gauge port: G1/4 on both sides of the body, screw plugs supplied
Mounting position: any

Temperature range:
R20: 0 °C to 50 °C / 32 °F to 122 °F
R21: 0 °C to 80 °C / 32 °F to 176 °F

Body: zinc die-cast
Spring cage: zinc die-cast, adjusting knob made of with glass fibre reinforced plastic
Elastomer: NBR/Buna-N
Inner valve: brass and plastic