Officials say a relief valve on natural gas line near the Saluda Dam caused the noise and 'tremor' felt by some in the Midlands Friday night.

The relief valve begins to release gas when there's too much pressure in the line, said Lt. Mike Rouches, Hillsboro police spokesman. The valve has stopped venting gas, but fire and gas crews will ...

Certain pressure relief valves for use on compressed natural gas fuel tanks are being recalled by Circor, which does business as Circle Seal Controls. The affected valves have O-rings that could ...

A leaking natural gas well that has displaced thousands of residents in Porter Ranch lacked a working safety valve, sparking new questions about how the facility was maintained.

The proper design, installation, and maintenance of these valves is vital for the safe operation of R-744 refrigeration systems, especially in industrial and commercial applications.

Deputy Fire Chief Roger Cruse said around 10:30 a.m., a golf cart struck a natural-gas pressure-relief valve next to the sidewalk on the southeast corner of Fifth and Chalmers streets.

The valve station on Dublin Road in Richmond, where a natural gas pressure buildup triggered a safety valve to vent the gas. The nearly 40-minute event last month terrified nearby residents.

Councilor Rita Mercier put forward the motion to request City Manager Eileen Donoghue have the city reach out to National Grid to inquire about installing gas pressure relief valve safety […] ...

A power outage at the Monroe Energy facility in Marcus Hook, Pa., likely caused a gas odor that was reported in New Castle ...

After several years of skyrocketing winter heating costs, millions of Americans are expected to finally get a little relief this coming season — if they heat their homes with natural gas, that is.