The GV20 Gauge Valves are designed to be used with BMD’s LG20 Level Gauges but also are compatible with all armored flat-glass level gauges. 
Union tank connections make for easy installation and removal. 

  • Safety Shutoff: SST ball check upstream of the seat shuts off medium flow in the event of glass breakage
  • Ergonomic Handle: Sturdy 0.75” diameter tee handle for ease of use and comfortable operation 
  • Offset Design: Body and drain connections are offset from the tank connection for easy glass cleaning
  • NACE Compatible: Wetted parts conform to NACE 
  • MR-01-75 specifications for sour gas service

FW Murphy is the exclusive BMD distributor for new equipment packages. 

FW Murphy Production Controls offers support for all our products. If you are unable to find the product that you need, please call us at 918-957-1000.


Sight Glass Connection: 1/2” FNPT Tank
Connection: 1/2” and 3/4” union

Gauge Valves