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Listed single pole doublethrow snap-action switching element
A gas specific DISS nut and nipple shall be attached to the bottom of the gauge
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
a key will be inserted into the lock
An Amico Alert-2 area or master alarm
Dual Pressure Switch High & Low gauge Listed single pole doublethrow snap-actionPressure 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