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R21

1
Piston-operated regulator with balanced valve design and high-relief flow. Features include a transparent pressure-calibrated, non-rising adjusting dial which can be mounted in any position so the dial face is always visible. Pressure setting in steps is possible.

Media: compressed air
Supply pressure: max. 21 bar, minimum 1 bar above outlet pressure
Air consumption: max. 1.4 l/min depending on outlet pressure
Adjustment: The full secondary pressure range can be dialed in less than a 270° turn proportional to handwheel
with scale in bar or psi. This is advantageous if secondary pressure must be changed frequently.

Relieving function: relieving
Gauge port: G1/4 on both sides of the body
Mounting position: any
Temperature range: 0 °C to 65 °C / 32 °F to 149 °F

Body: zinc die-cast
Piston: acetal
O-ring: NBR/Buna-N
Valve seat: acetal, brass and NBR/Buna-N

Your are now in the overview of an article: R21
Choose a version from the table underneath, please.

part numberconnection threadconnectionsupply pressure max. [bar]pressure range [bar]flow rate air [Nl/min]Kv [m³/h]Price
R21-C2-L G1/4G1/4210...3,030002,5328,60 €
R21-C2-O G1/4G1/4210...1130002,5265,85 €
R21-C3-L G3/8G3/8210...3,045003,8328,60 €
R21-C3-O G3/8G3/8210...1145003,8328,60 €
R21-C4-L G1/2G1/2210...3,050004,2281,96 €
R21-C4-O G1/2G1/2210...1150004,2281,96 €

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