Both liquid and gas pipelines require over pressure protection to operate below their maximum design pressure. Relief devices are one method of providing that ...

A case in point; the humble gas regulator. It’s in equipment ... A large diaphragm is pressurized by the low pressure side of the regulator, and is held back by a spring. When the pressure ...

Columbia Gas is adding a regulator station at 1336 Ridgeview Road and expanding an existing regulator station on Brandon Road, near Northam Road. Both are in the middle of residential neighborhoods.