Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice Air service units Series Airplus 2 s 2 | 31 Materials Exploded sectioned Regulator 1 Body Polyamide Die-cast aluminium 2 Adjusting knob Polyamide 3 Diaphragm NBR 4 Panel mounting locking ring Polyamide 5 Adjusting spring Steel 6 Rear end cap Polyamide Die-cast aluminium 2 5 4 3 1 6 Design Size 1 - Size 2 - Size 3 All versions Size 4 Coding: V17TRO1RO2O3O4 V VERSION N = Technopolymer body and metal inserts (not available for size 4) T = Technopolymer body and thread (not available for size 4) P = Aluminum body (not available for size 1) L = Aluminum body, low temperature (not available for size 1) T SIZE AND CONNECTIONS 1A = Size 1 - G1/8” only for N version 1B = Size 1 - G1/4” only for T - N versions 1C = Size 1 - 1/4” NPT only for N version 2A = Size 2 - G1/4” only for N version 2B = Size 2 - G3/8” for all versions 2C = Size 2 - 3/8” NPT only for N version - 1/4” NPT only for P - L versions 3A = Size 3 - G3/8” only for N version 3B = Size 3 - G1/2” for all versions 3C = Size 3 - 1/2” NPT only for N - P - L versions 4B = Size 4 - G1” only for P - L versions 4C = Size 4 - 1” NPT only for P - L versions O1 PRESSURE MEASUREMENT OPTIONS = G1/8” - 1/8” NPT thread (Only for P - L versions with metal body and NPT thread) M = Integrated pressure gauge (not available on NPT, size 2 and size 3 aluminum body) W = Integrated pressure gauge Right - Left (not available on NPT, size 2 and size 3 aluminum body) P = Digital pressure switch (not available on NPT, size 2 and size 3 aluminum body) Z = Digital pressure switch Right - Left (not available on NPT, size 2 and size 3 aluminum body) R PRESSURE RANGE A = 0 - 2 bar B = 0 - 4 bar C = 0 - 8 bar D = 0 - 12 bar O2 RELIEVING OPTIONS = With reliving F = Controlled refiel and improved relieving (not available for size 4) L = Without relieving R = Improved relieving O3 KNOB OPTIONS = Non-lockable version K = Lockable version U = Lockable version with universal key O4 DIGITAL PRESSURE SWITCH OPTIONS A = Cable 150 mm + M8 PNP B = Cable 150 mm + M8 NPN C = Cable 2 m PNP D = Cable 2 m NPN Example: T173BRMD: Size 3 regulator G1/2” 0 - 12 bar
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