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 ...

ControlAir LLC, a leading manufacturer of precision pneumatic and electro-pneumatic controls, has released the Type CG330 and CG340 gas regulators.

South Dakota regulators approved a 7% increase in NorthWestern Energy's natural gas rates. (Photo by Getty Images) State regulators approved a settlement Tuesday in Pierre reducing NorthWestern ...