The RG50 is a pressure reducing regulator used in natural gas distribution systems.  The RG50 provides high accuracy, no atmospheric bleed and a heavy main spring for tight shutoff.

  • High-capacity pressure control 
  • Excellent low-flow control
  • Ease of maintenance

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: 2”
Connection: Female NPT, flanged
Body Type: Globe
Port Sizes: 7/8”, 1 1/8”
Maximum Inlet Pressure: 
7/8” Orifice: 400 psi
1-1/8” Orifice: 300 psi
Temperature Range:
Viton: 0° F to 300° F (-18° C to 149° C)
Buna, Nylon, Neoprene: -20° F to 180° F (-29° C to 82° C)
Set Pressure Range: 35 to 100 psi
Maximum Actuator Pressures:
Operating: 100 psi
Emergency: 110 psi
Maximum Pilot Spring Case Pressure for Pressure Loading: 100 psi
Maximum Rated Travel: 1/4 in/ 6.4 mm
Weight: 115 lbs
Proportional Band: 1 to 2 psi In. W.C.
Body: Cast iron
Actuator Casing: Cast iron
Pilot Body and Spring Case: Cast iron
Orifice, Disk Holder and Shuttle: Brass 
Disk: Buna, Viton®, nylon
Diaphragm: Neoprene, Viton® (optional)
Body Pressure ratings:
NPT: 600 psi
150 Class Flange: 250 psi
300 Class Flange: 640 psi