Hex Valve offers a bellows stem seal option for use on primary (root valves) as well as instrument valves for use with VOC's, hazardous materials, or any application where leakage and containment are primary considerations.

The Hex Bellows Stem Seal option provides a bellows produced in 316L Stainless Steel or Monel. The bellows option is available on the following models: HM45, HM50, HM53, HM54, HM55, HM56, HM58, HM59, HM88 and Rigid Mount Models.