The RG20 is a direct spring-operated, pressure regulator that can be used anywhere pressure regulation of natural gas, air or other gas is required.

  • Its housing can be moved to one of four positions to save space during installation. 
  • Designed for easy maintenance by allowing access to the body without removing it from the line.  
  • A NACE option is available for sour service.

The RG20H is a high-pressure option that includes a steel housing and spring cover capable of handling pressures above 150 psi.

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.


Sizes: 1” & 2”
Connection: Female NPT
Body Type: Globe
Orifice Sizes: .125” (1/8”), .188” (3/16”), .25”, .375” (3/8”), .50”
Temperature Range: -20° F to 180° F (-29° C to 82° C)
Body Pressure Rating: 2000 psi
Body: WCB steel
Housing and Spring Cover: Aluminum (RG20), WCB steel (RG20H)  
Orifice and Disk Holder: Aluminum, stainless (optional)
Disk: Buna, Viton®, nylon
Diaphragm: Buna, Viton® (optional)
Weight: Approximate
1”:  6.5 lbs aluminum or 10 lbs steel
2”: 10.5 lbs aluminum or 14 lbs steel