Model 046 Natural Gas Pressure Regulator
The Model 046 natural gas pressure regulator is a rugged, field-proven solution designed for pounds-to-pounds pressure regulation in high-pressure gas applications. Built with a simple, durable design and flexible configuration options, the Model 046 delivers dependable performance for utility, industrial, and field installations where operational safety and long-term reliability are critical.
Commonly used as a field regulator, the Model 046 is suitable for natural gas service as well as nitrogen, air, dry CO₂, and other non-corrosive industrial gases. Its flexible mounting positions, wide pressure ranges, and optional internal relief configurations make it a dependable choice for demanding gas regulation environments.
Product Documents
Specifications
Available Models
046: Standard regulator (no internal relief valve)
046-2: Regulator with internal relief valve
046-M: Monitor regulator with control line
046-2M: Monitor regulator with internal relief valve
Construction
Body: Ductile iron
Diaphragm Case: Aluminum or cast iron
Valve Trim Materials: Poly-U-Tan, Buna-N, or Viton
Internal Components: Brass or stainless steel options
Pressure Ratings
- Maximum Inlet Pressure:
- Up to 1,000 psi (046, 046-2, 046-M)
- Up to 925 psi (046-2M)
- Outlet Pressure Ranges:
- 3 to 200 psi (standard models)
- 3 to 125 psi (IRV models)
Model 046 Features
Reliable Pressure Control
Provides stable, repeatable outlet pressure control in pounds-to-pounds regulation scenarios.
Enhanced Operational Safety
Optional internal relief valve configurations help protect downstream systems from over-pressurization.
Reduced Maintenance Downtime
Serviceable design allows inspection and maintenance without removing the regulator body from the piping system.
Application Flexibility
Suitable for indoor or outdoor installations and compatible with multiple non-corrosive gases beyond natural gas.
Long Service Life
Rugged materials and proven mechanical design support dependable performance in harsh field and industrial environments.
Benefits
- Reliable Pressure Control: Provides stable, repeatable outlet pressure control in pounds-to-pounds regulation scenarios.
- Enhanced Operational Safety: Optional internal relief valve configurations help protect downstream systems from over-pressurization.
- Reduced Maintenance Downtime: Serviceable design allows inspection and maintenance without removing the regulator body from the piping system.
- Application Flexibility: Suitable for indoor or outdoor installations and compatible with multiple non-corrosive gases beyond natural gas.
- Long Service Life: Rugged materials and proven mechanical design support dependable performance in harsh field and industrial environments.
Capability
The Model 046 regulator family supports a wide range of operating conditions and configurations to meet diverse system requirements.
- Inlet Pressure: Up to 1,000 psi (model, spring, orifice, and trim dependent)
- Outlet Pressure Range: 3 to 200 psi (model dependent)
- Pipe Sizes: ¾", 1", and 1¼" NPT
- Installation: Indoor or outdoor (not suitable for buried service)
- Gas Compatibility: Natural gas, nitrogen, air, dry CO₂, and other non-corrosive gases
Monitor regulator variants (046-M and 046-2M) are available for applications requiring remote pressure sensing or use in monitor regulator sets for added system protection.
Talk to an Industrial Gas Control Expert
Whether you’re specifying industrial gas regulators, selecting industrial relief valves, or upgrading critical gas infrastructure, we can help you identify the right solution for your application.
