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The key is made from machined brass and stainless steel
Full-Port design
An Amico Alert-2 area or master alarm
A 1" brass ball valve and a high pressure regulator controls access to the emergency supply and indicates the supply pressure and the pressure being introduced into the oxygen pipeline
3-1/4" trim plate is made from zinc metal
Dual Pressure Switch High & Low gauge The key is made fromPressure switch with gauge assembly for the medical gas alarm system shall incorporate a U. L. Listed single pole doublethrow snap action switching element. Electrical connections are made through a 1 2? conduit connection to screw terminals on the switch. The switch may be wired normally open or normally closed. Electrical rating shall be 10 Ampere 120 volt AC. The pressure switch has a proof pressure of 1000 psi with an adjustable range of 10 to 230