Gas Regulator and Meter Sizing Tips

Regulator Sizing Tips

There are several types of gas regulators such as propane regulators, appliance regulators, high-pressure regulators to name a few. Just like for meters, regulators require proper sizing. Review our regulator sizing tips per regulator type below to pick the right product size.

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Appliance Regulator

Things you need to know to properly size an Appliance Regulator:

• Inlet pressure (min-max)
• Required Outlet pressure
• Type of gas to be regulated
• Load/Capacity rating? (in Btu, Cfh, Mbh, m3, etc)
• Ventless (if possible) or vented
• Required connection size
• Modulating

Back Pressure Regulator/Relief valves

Things you need to know to properly size a Back Pressure Regulator/ Relief Valves:

• Required set pressure set point
• Type of gas to be regulated
• Load/Capacity? (in Btu or Cfh)
• Required connection size

Direct Acting Regulator

Things you need to know to properly size a Direct Acting Regulator:

• Inlet pressure
• Required Outlet pressure
• Type of gas to be regulated
• Load/Capacity? (in Btu or Cfh)
• What size downstream sensing line does the regulator require?
• Required connection size
• Modulating application OR on/off application
• Do you require an external relief valve?

High Pressure Specialty Regulator

Things you need to know to properly size a High Pressure Specialty Regulator:

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• Min/Max Inlet pressure
• Required Outlet pressure
• Type of gas to be regulated
• Load/Capacity? (in Btu or Cfh)
• Required connection size
• Do you require an external relief valve?

Line Regulator

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

Spring Loaded Service Regulator

Things you need to know to properly size a Spring Loaded &#;Service&#; Regulator:

• Inlet pressure
• Required Outlet pressure
• Type of gas to be regulated
• Load/Capacity? (in Btu or Cfh)
• Do you require internal relief?
• Required connection size
• Modulating

Pilot Operated Regulator

Things you need to know to properly size a Pilot Operated Regulator:

• Inlet pressure
• Required Outlet pressure
• Type of gas to be regulated
• Load/Capacity? (in Btu or Cfh)
• Required connection size
• Modulating application OR on/off application
• Do you require an external relief valve?

Propane Regulator

Things you need to know to properly size a Propane Regulator:

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• Type of regulator: First Stage, Second Stage, Twin-Stage, Automatic Change-Over or Single Stage.
• Inlet pressure
• Required outlet pressure
• Required set pressure set point
• Load/Capacity? (in Btu)
• Required connection size(s)
• Do you require an external relief valve?