National Grid Gas Turn to the Rotary Selector Valve
In 2010 National Grid Gas awarded Drallim the contract for the manufacture of 966 Slam shut Cabinets for their countrywide replacement program.The cabinets in conjunction with Slamshut Valves monitor the gas pressure and rapidly cut the flow of gas when the pressure in the system With ball valves in Slamshut Cabinets failing in the field […]