GLOBE 6" SHOTGUN RCV Riser Check Valve - Groove x Groove 321557-S is a Class 5 telephone

is a Class 5 telephone switch originally made by GTE Automatic Electric Laboratories

ALPHA SECURITY PRODUCTS ELECTRONIC BOTTLE CAP SECURITY ALARM  QTY 50

1 MICHELIN AIR X M00808  25

Model #44662

Minimum Starting Temperature:

GLOBE 6" SHOTGUN RCV Riser Check Valve - Groove x Groove 321557-S is a Class 5 telephoneDescription for Globe Sprinkler 321557 S Globe Model RCV Swing Check Valves feature a swing type clapper designed for use in fire sprinkler or other types of water piping systems that incorporate grooved connecting pipe ends. They are effectively used when it is necessary to permit water flow in one direction only, preventing flow in the reverse direction (nonreturn). Because the RCV incorporates a spring loaded clapper assembly, it may be installed