American Meter- Gas Regulator w/ Vent Limiter Option- J48



Product Description:

The J48 is an industrial low pressure regulator with an optional vent limiter. It is suitable for a wide range of pressure reduction applications, including such OEM equipment as boiler and burner trains for a variety of gases.

Outlet pressures from 2" W.C. up to 64" W.C. Operating temperature range is -4°F to +158°F (-20°C to + 70°C) with a maximum allowable inlet pressure of 5 PSIG (350mbar). Flow rates up to 28040 SCFH (800 SCMH).

The J48 is AGA / CGA approved to the following specifications: CGA 6.3 - M95 / ANSI Z21.18 – 1995 CGA 6.3a - M98 / ANSI Z21.18a – 1998 CGA 6.3b - M100 / ANSI Z21.18b – 2000 NOTE:



  • Quick release spring adjustment mechanism unit that provides easy access for spring adjustment and routine maintenance
  • Available in a number of valve body connection sizes- 3/4", 1", 1-1/4", 2", 2-1/2", and 3".  All have NPT screw bodies
  • Comprehensive range of regulator spring ranges for different requirements.


Add a Vent Limiter (P/N: 78069P013):

A vent restrictor is available which fits into the regulator vent. In the event of a major malfunction it will limit the amount of gas that can escape to the atmosphere. The restrictor is built and tested to comply with ANSI Z21.18 1995.\

Product Documentation