RG40

BMD Regulators

The RG40 is a compact, high-pressure, spring-operated regulator designed to reduce high pressures down to working pressures.

  • Standard unit features rugged brass body and housing with durable metal diaphragm and nylon disk for handling high-pressure drops
  • Stainless steel version available for NACE services

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

  • Overview
  • Specifications
  • Diagrams
  • Literature

The RG40’s typical applications include reduction of high pressure to operate chemical injection pumps, valve actuators or controllers. Its compact form and cost-effective design make it an ideal choice for many other applications as well.

  • Connection: 1/4” NPT (1 inlet, 3 outlets)
  • Inlet Pressure Rating: 5000 psi
  • Temperature Range:
    • Brass: -70° F to 225° F (-57° C to 107° C)
    • Stainless: -40° F to 225° F (-40° C to 107° C)
  • Output Ranges: 0 – 125 psi, 0 – 225 psi
  • Adjustment Screw: Standard, tee-handle
  • Materials Brass Option:
    • Body and Housing: Brass
    • Diaphragm: Stainless steel
    • Orifice: Stainless steel
    • Disk: Nylon
    • Spring: Steel
  • Materials Stainless Option:
    • Body and Housing: 316SS
    • Diaphragm: Monel 400
    • Orifice: 316SS
    • Disk: PTFE
    • Spring: Stainless steel

RG40 Dimensions Inch (mm)

RG40 Dimensions Inch (mm)

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

Sales Bulletin (2015355; revision date: 09/2020)