Bryan Donkin RMG Canada is a leading supplier of gas pressure regulating valves, associated safety devices and related equipment to the worldwide gas distribution industries.

Established in 1803, the company has a long history and experience supplying to the gas industries. Concentrating on continuous improvements in quality manufacturing and product research, we are dedicated to providing efficient and individual solutions to all of our valued customers.

Additionally, by utilizing our global experience, long history, knowledge and resources from our Group of Companies, Bryan Donkin has many unique solutions, products and services. Recognized as a world leader in gas regulating equipment, we are proud of our excellent customer service and the world-class quality of our product portfolio.

The complete catalogue of all Bryan Donkin regulators is available on their website, however information on the most commonly used Canadian regulators can be found below.

The Model 260 Regulator is a lever operated, spring loaded regulator for use on natural gas and manufactured gases of non-aggressive nature, including nitrogen, carbon dioxide, propane, butane, etc.

Versions available for special applications like indoor applications with no requirement for vent-lineFixed factor billing model available (PFM) for applications that require accuracy to +/- 1% absolute pressureCSA 6.18 Service Regulator and CSA 6.22 Line Pressure Regulator ApprovedWide inlet pressure range 1-125 psi (0.07-8.6 bar) depending on orifice diameterMaximum inlet pressure 150 psi (10.3 bar)3 different inlet/outlet thread types (NPT, BSPT, BSPP) in 1⁄2, 3⁄4, 1“ screwed both in-line (180 ) or angle (90 ) body castingOutlet pressure range from 4“ wc - 5.5 psi (10.0-385 mbar) over 6 spring rangesUpon full regulator failure, outlet pressure is limited to under 1 psi (70 mbar) with 60 psi (4 bar) inlet pressure and full bore relief discharge. Tested and approved to CSA 6.18 specificationsAlso available as a 260LR-OPCO with limited internal relief valve capacity with integral over-pressure slam-shut device

The Model 274 Regulator is primarily utilized for commercial and industrial applications:

  • For natural gas and all non-corrosive gaseous media
  • Various options for specialty applications
  • Fixed Factor Billing model available for PFM applications, that ensure outlet pressure accuracy to +/- 1% absolute pressure
  • Wide inlet pressure range 1—125 psig (0.07-8.5 bar) depending on orifice diameter
  • Maximum inlet pressure 150 psig (10 bar)
  • 1 1⁄4”, 11⁄2” & 2” screwed and 2” flanged inlet/outlet connections

The Model 240 Regulator is primarily utilized for residential, commercial and industrial applications:

  • Wide inlet pressure range 1—125 psig (0.07-8.6 bar) depending on ori- fice diameter
  • Maximum inlet pressure 150 psig (10 bar)
  • Maximum operating pressure 125 psig (8.6 bar)
  • Spring-loaded, lever-operated to accommodate changes in inlet pressure
  • Outlet pressure settings from 4” w.c. to 3 psig (10-210 mbar) over 5 spring ranges
  • 4 different inlet/outlet thread diameters (National or British Pipe Standards — NPT, BSPT, BSPP)
  • Available in angle body (90o) and inline body (180o) design
  • 1” flanged version available in ANSI150 or PN16 with flat or raised face profiles
  • Various relief valve assemblies available (full, limited and zero capacity relief discharge) 
  • Pilot-operated version available for increased capacity, higher outlet pressure setting range


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