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Line Regulators

325 Series

Maxitrol 325-3L, 325-5L & 325-7AL

Designed for use on residential, commercial and industrial applications where vent lines are not required. They can be used outside but need to be protected from the elements.


  • Minimum Inlet Pressure: 1 PSI
  • Maximum Inlet Pressure: 2 PSI
  • Outlet Pressure Range: 7" - 11" WC
  • Size Range: 1/2" - 1" NPT
  • Gases: Natural, Propane etc..
 

325 Series with Over-Pressure Protection Device

Maxitrol 325-3L48, 325-5L48, 325-5L600 & 325-7AL210D

Designed for higher pressure applications where vent lines are not required and an OPD safety device is included. They can be used outside but need to be protected from the elements.


  • Minimum Inlet Pressure: 1 PSI
  • Maximum Inlet Pressure: 5 PSI
  • Outlet Pressure Range: 7" - 11" WC
  • Size Range: 1/2" - 1-1/2" NPT
  • Gases: Natural, Propane etc..
 

260R Series with Full Internal Relief Valve

Bryan Donkin 260R

Designed for accurate pressure reductions and has a full internal relief valve. Used for commercial and industrial applications and can be installed indoors or outdoors.


  • Minimum Inlet Pressure: 1 PSI
  • Maximum Inlet Pressure: 10 PSI
  • Outlet Pressure Range: 4"WC - 2 PSI
  • Size Range: 1/2" - 1" NPT
  • Gases: Natural, Propane etc..
 

240R Series with Full Internal Relief Valve

Bryan Donkin 240R

Designed for accurate pressure reductions and has a full internal relief valve. Used for commercial and industrial applications and can be installed indoors or outdoors.


  • Minimum Inlet Pressure: 1 PSI
  • Maximum Inlet Pressure: 10 PSI
  • Outlet Pressure Range: 4"WC - 2 PSI
  • Size Range: 3/4" - 1-1/2" NPT
  • Gases: Natural, Propane etc..
 

274R SERIES WITH FULL INTERNAL RELIEF VALVE

Bryan Donkin 274R

Designed for accurate pressure reductions and has a full internal relief valve. Used for commercial and industrial applications and can be installed indoors or outdoors.


  • Minimum Inlet Pressure: 1 PSI
  • Maximum Inlet Pressure: 10 PSI
  • Outlet Pressure Range: 6"WC - 2 PSI
  • Size Range: 1-1/4" - 2" NPT, 2" Flanged
  • Gases: Natural, Propane etc..
 

260SD-OPCO Series with Over-Pressure Cut-Off Valve

Bryan Donkin 260SD-OPCO

Designed for indoor applications with no vent line requirement. Used for commercial/industrial applications and is ideal for temporay heater applications.


  • Minimum Inlet Pressure: 1 PSI
  • Maximum Inlet Pressure: 10 PSI
  • Outlet Pressure Range: 4"WC - 2 PSI
  • Size Range: 1/2" - 1" NPT
  • Gases: Natural, Propane etc..
 

240SD-OPCO Series with Over-Pressure Cut-Off Valve

Bryan Donkin 240SD-OPCO

Designed for indoor applications with no vent line requirement. Used for commercial/industrial applications and is ideal for temporay heater applications.


  • Minimum Inlet Pressure: 1 PSI
  • Maximum Inlet Pressure: 10 PSI
  • Outlet Pressure Range: 4"WC - 2 PSI
  • Size Range: 3/4" - 1-1/2" NPT
  • Gases: Natural, Propane etc..
 

274SD-OPCO Series with Over-Pressure Cut-Off Valve

Bryan Donkin 274SD-OPCO

Designed for indoor applications with no vent line requirement. Used for commercial/industrial applications and is ideal for temporay heater applications.


  • Minimum Inlet Pressure: 1 PSI
  • Maximum Inlet Pressure: 10 PSI
  • Outlet Pressure Range: 6"WC - 2 PSI
  • Size Range: 1-1/4" - 2" NPT, 2" Flanged
  • Gases: Natural, Propane etc..
 
Things you need to know to properly size a Line Regulator:
  • Inlet pressure
  • Required Outlet pressure
  • Type of gas to be regulated
  • Load/Capacity? (in Btu or Cfh)
  • Ventless (if possible) or vented
  • Required connection size
  • Modulating application OR on/off application

Ventless Regulators
Norgas Controls has a large variety of ventless regulators for almost any application. These types of regulators are used only for indoors and simplify the installation by not needing to run a vent line to the outdoors.

 Find a Norgas distributor