RG50

BMD Regulators

The RG50 is a pressure reducing regulator used in natural gas distribution systems.

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

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

  • Overview
  • Specifications
  • Literature

The RG50 provides high accuracy, no atmospheric bleed and a heavy mainspring for tight shutoff.

  • 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.
  • Materials:
    • 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

For more information about this product, you can download the related literature here:

Sales Bulletin (2015356; revision date: 10/2022)