Pipe-Size: 1/2″, 3/4", 1", 1-1/4″

The NMT® NGR02 series spring loaded gas regulators with internal relief provide consistent and controlled pressure in a variety of residential, industrial and commercial applications.  The NGR02 meets ANSI Z21.80/CSA 6.22 for Class I, Class II, Vent Limiting and OPD(Overpressure Protection Device) applications and are designed to be used in many applications where non-corrosive dry gases are used.


  • ANSI Z21.80/CSA 6.22 CERTIFIED
  • Vent Limiter Option
  • Internal Relief - OPD
  • Outlet pressures up to 5 psig
  • Conforms to ANSI B109.4
  • Corrosion resistant exterior

Spring Ranges:

2-7" wc Orange
6.5-16" wc Green
14"-1 psig Silver
26"-1.5 psig Yellow/Black
1 psig - 3 psig Yellow (-HP)
2 psig - 5 psig White (-HP)


Literature & Resources


NGR02 Relief Curves

CSA Certification Record

NGR02 1/2″ to 1 1/4″