400 Aluminum Escutcheon Cup And Skirt Set - Available In Multiple Colors And Head Sizes Fire Hose Accessories The OSYEXP is an explosion-proof

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

Listed for damp location

Size:  6"

An improved cover design

Inspectors Test Orifice For Fire Sprinkler Systems - Available In 1/2" and 3/4"

400 Aluminum Escutcheon Cup And Skirt Set - Available In Multiple Colors And Head Sizes Fire Hose Accessories The OSYEXP is an explosion-proof400 Aluminum Escutcheon Cup And Skirt Set Available In Multiple Colors And Head Sizes Measurements: Inside Diameter 2 1 4" Outside Diameter 3 3 4" Depth 2 3 4" Available In The Following Colors and Head Sizes: 1 2" NPT Chrome White 3 4" NPT Chrome White 1" NPT Chrome White Cup and skirt combination. Each set includes (1) 400 Cup, (1) 400 Skirt NPT stands for National Pipe Thread. To determine what size sprinkler head you have, measure the bottom of