R20,R21
Choose a version from the table underneath, please.
Description:
Piston-operated 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
