21 Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice PROCESS AUTOMATION TECHNOLOGY Diaphragm pressure regulator with relieving Available in 3 sizes with flow rates up to 8000 Nl/min and connections from 1/4” to 1” Low histeresis rolling diaphragm and balanced spool Available in four pressure ranges up to 12 bar Fitted with panel mounting locking ring Atex certification (II 2GD) Inlet pressures up to 20 bar Note For installations where a more accurate and constant pressure is required, the unit should be installed as close as possible to the point of use. Regulators (R) Air service units Series Airplus - aluminium Process automation technology Catalogue 1 2 Operational characteristics Size Size 2 Size 3 Size 4 Maximum working pressure 20 bar Minimum working pressure 0.5 bar Working temperature -30°C ... +80°C (only for P version) -40°C ... +80°C (only for L version) Technical characteristics Size Size 2 Size 3 Size 4 Body and connections type Aluminium body, integrated aluminium connections IN / OUT connections P and L version G3/8” - 1/4” NPT G1/2” - 1/2” NPT G1” - 1” NPT Assembly configuration Stand alone Panel mounting With fixing bracket Panel mounted Assembly positions Indifferent Pressure range 0-2 bar 0-4 bar 0-8 bar 0-12 bar Regulation Manul push and lock with pressure Manual lockable with accessories Pressure measurement G1/8” - 1/8” NPT pressure gauge connection port (only for versions with IN / OUT NPT connections) Max. fittings torque IN / OUT connections G3/8” metal: 25Nm G1/2” metal: 30Nm G1”metal: 35Nm Max.fitting torque pressure gauge connection port G1/8” metal: 15Nm Weights Size Size 2 Size 3 Size 4 Aluminium body version 400 g 560 g 1260 g
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