NGR04

Sale
A 45-degree angled view of the NGR04, featuring its sleek design with sturdy connection points.
A rear 45-degree angled view of the NGR04 gas regulator, highlighting its robust build, clear connection points, and its advanced construction for high performance.
An angled view of the NGR04 gas regulator, showcasing its corrosino-resistant exterior and connection points.
A bottom-up angled view of the NGR04 gas regulator, emphasizing its clear connection points for reliable gas regulation.
No items found.

NGR04

Pipe Size: 1-1/4" to 3" FL

Outlet Pressure Range: 3" to 3 psig

The NMT® NGR04 series spring-loaded gas regulators with internal relief provide consistent and controlled pressure in a variety of residential, industrial, and commercial applications. The NGR04 meets ANSI Z21.80 for Class I, Class II, Vent Limiting, and OPD(Overpressure Protection Device) applications and is designed to be used in many applications where non-corrosive dry gases are used.

‍

Features

  • ANSI Z21.80 certified
  • Vent Limiter Option
  • Internal Relief - OPD
  • Outlet pressures up to 3 psig
  • Conforms to ANSI B109.4
  • Corrosion-resistant exterior

Specifications

  • ‍Gas types: Natural gas, LPG, other non corrosive dry gases‍
  • Maximum inlet pressure: 10 to 125 psig per orific‍
  • Maximum emergency inlet pressure: 175 psig‍
  • Operating temperature: -40°F to +140°F

Literature & Resources

NGR04 PDF

NGR04 Relief Curves

The new Norgas logo on a transparent background.
ProductsAboutRegulator Sizing ToolResourcesContact
© Copyright 2025 Norgas. All rights reserved.