23 Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice PROCESS AUTOMATION TECHNOLOGY Order codes Air service units Series Airplus - aluminium Process automation technology Catalogue Example : P173BRD : Size 3 regulator G1/2” 0 - 12 bar P 17 3B R D Version P Aluminum body L Aluminum body, low temperature Size and connections 2B Size 2 - G3/8” 2C Size 2 - 1/4” NPT 3B Size 3 - G1/2” 3C Size 3 - 1/2” NPT 4B Size 4 - G1” 4C Size 4 - 1” NPT Pressure range A 0 - 2 bar B 0 - 4 bar C 0 - 8 bar D 0 - 12 bar Relieving options With relieving L Without relieving Knob options Non-lockable version K Lockable version U Lockable version with universal key
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