Mark 978JD Series 1/2" to 1" - Sanitary Control Valve

Brand: Steriflow Valve

The Mark 978-JD (Jorlon Diaphragm) Series is designed to meet the rigid specifications for sterile process and clean utility control valves.

This valve series is suitable for a wide variety of applications in the, biopharmaceutical, Parenteral, cosmetic, dairy and food and beverage industries.
  • Jorlon diaphragm with lifetime warranty
  • Mechanically polished internal components – 20Ra (0,5µm) finish, electropolish – standard, 8Ra (0,2 µm) optional
  • Gravity draining/no holdup and a variety of installation orientations possible
  • A variety of true flow characteristics available


End Connections

  • ASME
  • DIN/ISO Tri-Clamp

Flow Coefficient

  • 0,2 to 125 Cv

Wetted Material

  • Standard: ASME SA479 316L
  • Optional: EN 10272: 2000 GR 1.4435, AL-6XN®, Hastelloy C-22


  • CRN
  • PED Category 1
  • SEp Declaration
  • EC Declaration of Conformity
  • ATEX Certified

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