Mark 978INLINE Series – Control Valve

Conforming to ASME BPE, the Mark 978 is ideally suited for a wide range of flowing media in both the utility and process areas of sanitary and aseptic systems.

The new INLINE design allows for process design flexibility. You are no longer constrained by angle valve process tubing. It is fully drainable, no hold up when installed correctly.


  • Available in sizes 1”, 1-1/2”, and 2”
  • Unique body design is compact and ultra-lightweight simplifying installation
  • 100% 316L construction for body and trim which ensures process compatibility
  • FDA/USP Class VI Jorlon diaphragm – resistant to aggressive process utilities, suitable for continuous steam service. Lifetime Warranty
  • Namur yoke permits easy mounting of a variety of positioners
  • Corrosion resistant coating with SST fasteners