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Mark 978 INLINE The Mark 978 Series is designed to meet the rigid specifications for sterile process control valves. This valve series is suitable for a wide variety of applications in the pharmaceutical, biotechnology, cosmetic, dairy and food & beverage industries.

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.

Features & Benefits


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