USG Model 046 Field Gas Regulator

The USG Model 046 regulator is engineered for rugged, reliable performance in high-pressure gas regulation applications. Designed for flexibility, safety, and ease of maintenance, it is a trusted solution for farm taps, field regulators, industrial gas systems, and gas blanketing. Available in multiple configurations including models with internal relief valves and remote sensing capability, this regulator combines simplicity with versatility.

Key Benefits

Whether you're outfitting a new installation or replacing a worn component, the Model 046 is built to deliver peace of mind and dependable operation.

• Supports a variety of pressure settings and mounting positions
• Compatible with indoor or outdoor environments
• Quick installation and simplified service access
• Available with internal relief and remote monitoring options
• Wide range of configurations for diverse field conditions
   

Features

This field gas regulator includes robust standard features for dependable operation in critical systems.

• Aluminum or cast iron diaphragm cases
• Ductile iron body with increased capacity boost tube (standard model)
• Optional internal relief valve (IRV) models
• Remote sensing/monitoring variants available
• Integral union connection for easy mounting and servicing
• Pressure control range: 3–200 psig
• Inlet pressure range: 5–1000 psig
• Operating temperature: -20°F to +150°F
   

Benefits

Designed with the installer and operator in mind, the Model 046 offers functional advantages that streamline operations.

• Allows flexible positioning in varied piping arrangements
• Reduces need for additional over-pressure protection (in IRV models)
• Maintains reliability in extreme environments
• Multiple spring ranges available for precise pressure control
• Snap-on or sealed cover cap options for secure internal access
   

Capability

Built for demanding industrial and field gas regulation use cases, the Model 046 adapts to a wide array of installation needs.

• Ideal for farm taps, industrial air/gas, and blanketing systems
• Suited for pounds-to-pounds regulation applications
• Compatible with remote monitoring setups (monitor models)
• Handles high inlet pressures and broad differential ranges
• Configurable with aluminum or cast iron diaphragm case materials
   

Construction

Engineered with quality materials and field-proven components, the Model 046 ensures longevity and performance.

• Body: Ductile iron
• Trim: Poly-U-Tan (standard), Buna-N, or Viton
• Internal trim: Brass or stainless steel
• External trim: Carbon steel or stainless steel
• O-ring options: Buna-N, Viton, or EPDM
• Valve material rated for differential pressures up to 800 psig
• NSF-listed components available
• Vent: 1" NPT for remote piping (IRV versions)