Gas Breaker, Inc.

The UMAC Brand has served the natural gas industry since 1970. In 1974, UMAC EFVs became the premier Excess Flow Valves used on gas service lines to protect homes and businesses.

Since their introduction millions of UMAC Brand EFVs have been sold (More than 5 times as many valves as all US competitors combined) and installed worldwide, providing tens of billions of field service hours. Today...