Process Valves > Hygienic Process Valves > Steriflow Mark 978JD

 

Steriflow Mark 978JD Sanitary Globe-Style Control Valve with Jorlon Diaphragm

Steriflow's Mark 978JD (Jorlon diaphragm) meets ASME BPE 2009 guidelines and is ideally suited for flowing media in both the clean utility and process areas of sanitary and aseptic systems. High rangeability, true characterized trim, high capacities, superior temperature and pressure ratings, facilitated by a superior diaphragm, make the MK978 the sanitary control valve for sterile process, buffer, WFI and acid metering and clean gas and steam services.

Key Specifications

  • Wetted parts made of 100% ASTM A479 316L stainless steel barstock, 20Ra mechanically polished internals
  • FDA/USP Class VI Jorlon diaphragm resistant to aggressive chemicals, suitable for indefinite steam service, offers unsurpassed service life
  • All stem guiding above the diaphragm eliminates particulate generation
  • Extended PEEK guide bushing ensures smooth, stable movement throughout entire stroke length regardless of valve orientation (on its side or upright)
  • Contoured plug design for true equal percentage or linear flow characteristics throughout entire stroke length
  • Corrosion resistant SST Namur yoke assembly suitable for washdown, permitting easy mounting of positioners
  • Also available in O-ring and low flow models
  • Lifetime warranty on Jorlon diaphragm

Specifications, Manuals, and Supporting Literature

Click the file icon to view the file online, or right-click on the file icon and select "Save Target As..." to download the file to your computer for later viewing.
Tip: If you want to print a large file, download it to your PC first.

Videos

Subscribe to the Lesman Instrument Company YouTube channel.Lesman Instrument Company on YouTube

Video is a great way to learn about instruments and technology, and it's available whenever you need it. Watch step-by-step instructions on how to configure a transmitter, tune a controller, or troubleshoot a safety valve. We'll post videos we create, and those our manufacturer partners share with us, so you don't have to look in multiple places to find the video training you need.

Subscribe to Lesman's YouTube channel, and you'll get email notifications as soon as we add new training videos and webinars.