System Sensor OSYEXP Explosion Proof Supervisory Tamper Switch For Outside Screw and Yoke (OS&Y) Valves 329497 deluge and pre-action fire sprinkler

deluge and pre-action fire sprinkler systems

155 Degree Black

Contact Ratings:  Two sets of SPDT (Form C) 10

Inside Diameter - 1 11/16"

The assembly is then installed with the Model J wrench for Installation of Guard

System Sensor OSYEXP Explosion Proof Supervisory Tamper Switch For Outside Screw and Yoke (OS&Y) Valves 329497 deluge and pre-action fire sprinklerSystem Sensor OSYEXP Explosion Proof Supervisory Tamper Switch For Outside Screw and Yoke (OS&Y) Valves The OSYEXP is an explosion proof supervisory switch used to monitor the open position of an outside screw and yoke type (OS&Y) gate valve. These units are ideal for installation in hazardous locations classified as follows: Class I, Groups C, D, Division 1 and 2 Class II, Groups E, F, G, Division 1 and 2 Features: Designed and approved to operate in