Description
Sensus Gas Division 496-20-1 Internal Relief Valve Gas Regulator
The Sensus Gas Division 496-20-1 is a 1-inch Internal Relief Valve (IRV) gas pressure regulator engineered for precise, dependable downstream pressure control in residential and light commercial gas distribution systems. Featuring a 1/4″ orifice and a green-coded spring, this regulator is factory-set to deliver outlet pressures within the 6–14 inches water column (W.C.) range, making it well-suited for natural gas service applications requiring accurate low-pressure regulation.
Key Features
- 1″ inlet/outlet connection for straightforward inline installation
- 1/4″ orifice for controlled gas flow and accurate pressure delivery
- Green spring color code indicating an outlet pressure range of 6–14″ W.C.
- Internal relief valve (IRV) design provides built-in overpressure protection without the need for a separate external relief device
- Robust construction designed to meet the demands of natural gas distribution service
- Compact, field-proven Sensus regulator design trusted by gas utilities and HVAC professionals
Specifications
- SKU: 496-20-1
- Brand: Sensus Gas Division
- Connection Size: 1″
- Orifice Size: 1/4″
- Spring Color: Green
- Outlet Pressure Range: 6–14″ W.C.
- Valve Type: Internal Relief Valve (IRV)
Applications
- Residential and light commercial natural gas service lines
- Downstream pressure regulation at gas meters and service entrances
- Systems requiring integrated overpressure relief in a single compact regulator body







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