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Ball Valve

The Forbes Marshall ball valves are offered in 2 piece and 3 piece construction. They have a quarter-turn design with ball shaped closure member. Side entry or top entry options available. 

  • Metal to metal seat design for high temperature and corrosion resistance 
  • Spring-loaded metal seat with soft seat insert 
  • Double block and bleed at upstream and downstream
  • Three-way ball valve offered on request
  • Zero leakage
  • Tight shut off at low pressure
  • Excess cavity pressure automatically relieved into the line when the cavity pressure exceeds line pressure