Military, Navy & Coast Guard Approved Liquid Level Gauge
These units are manufactured to conform to military specification MIL-I-20037-B. Units are able to fit all requirements. (Navy & USCG Approved)
Type NA – Non-Automatic: No ball check, suitable for maximum working pressure up to 100 psi.
Type A – Automatic: Unit has automatic ball check, suitable for maximum working pressure up to 300 psi.
Class A – General: Guard rod type protection for gauge glass.
Class B – Sheilded: Tubular brass shield around gauge glass.
Units can be supplied with ASA or military flanges, 150# or 300# in either 1/2″ or 3/4″ size. Flanges will be “silver soldered” to bodies.