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The pneumatic button has a mechanical adjustable timer which opens or closes a circuit and has a timed delay before reset. It does not require power for timing operation and has a timer life of over 1,000,000 operations. When local code or authority requires a pneumatic button be used, this device solves the problem.
UB-1PN Universal Pneumatic Pushbutton
Dimensional Drawing for STI Universal Pneumatic Pushbutton Switches
Unit of Measure
1 

Item #

Item Name

Button Type

Operating Temperature

Overall Width

Overall Height

UB-1PN N/A UB-1PN Universal Pneumatic Pushbutton N/A 1.5 Inch (in) Universal Pneumatic Button N/A -9 to 49 ºC15 to 120 ºF N/A 3.22 in82 mm N/A 4.83 in123 mm
UB-2PN N/A UB-2PN Universal Pneumatic Pushbutton N/A 2 Inch (in) Universal Pneumatic Button N/A -9 to 50 ºC16 to 120 ºF N/A 3.22 in82 mm N/A 4.83 in123 mm
Unit of Measure
1