AGA
04

May

2022

AGA X62104

B109.4 Standard, Self-Operated Diaphragm-Type Natural Gas Service Regulators For Nominal Pipe Size 1-1/4 Inches (32 mm) and Small With Outlet Pressures of 2 psi (13.8 kPa) and Less (ANSI B109.4-2021)
standard by American Gas Association, 10/29/2021