43 Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice PROCESS AUTOMATION TECHNOLOGY Air service units Series 1700 Steel line Process automation technology Catalogue Tamper-proof kit Size SS172 Size 2 - Size 3 SS174 Size 4 SS174 55 L2 B4 B3 L1 B2 L3 B1 D1 D2 Model B1 B2 B3 B4 D1 D2 L1 L2 L3 SS17255 17 Ch.17 39,5 6 Ø3,5 Ø3,5 35 Ch. 6 M10x1,5 SS17455 19 Ch. 20 56,5 6,5 Ø3,5 Ø3,5 45 Ch. 7 M12x1,75 To use, replace the standard adjustment screw and nut with the screw and nut supplied in the kit. Assemble the screw and nut as shown (see adjacent drawing), adjust until the desired P2 value is reached, lock the nut and insert the cap that can be locked with wire or padlock. 1 2 3 Tamper-proof kit 1 Adjustment screw 2 Locking nut 3 Tamper-proof cap
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