Description
The Sensus Gas Division 121-12-3 is a 3-inch threaded gas pressure regulator engineered to deliver precise, reliable outlet pressure control in commercial and industrial gas distribution systems. With a 1.5–3 PSI outlet pressure range, this regulator is well suited for medium-pressure gas service applications where consistent downstream pressure is critical to safe and efficient operation.
Product Overview
Designed and manufactured by Sensus Gas Division — a trusted name in gas metering and pressure regulation — the 121-12-3 features a robust threaded connection for straightforward installation into existing piping systems. Its durable construction is built to withstand the demands of continuous-duty commercial gas service.
Key Features
- 3-inch threaded inlet/outlet connection for compatibility with standard commercial gas piping
- 1.5–3 PSI outlet pressure range for medium-pressure gas distribution
- Designed for reliable, consistent downstream pressure regulation
- Rugged construction suitable for commercial and industrial gas service
- Sensus Gas Division quality — a proven leader in gas pressure regulation
Specifications
- SKU: 121-12-3
- Brand: Sensus Gas Division
- Connection Size: 3 inches, threaded
- Outlet Pressure Range: 1.5–3 PSI
- Application: Commercial / industrial gas pressure regulation
Applications
- Commercial gas distribution systems
- Industrial process gas supply lines
- Medium-pressure gas service installations
- Downstream pressure control in gas metering stations







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