Military, Navy & Coast Guard Approved Liquid Level Gauge
No. 53-A & 54-A Navy
All Gauges Below are Upper & Lower Valves Only with No Glass or Rods. Use formula above to determine glass lengths which can be purchased in the Tubular Glass Section.
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.