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Saunders Bio Block

Saunders Diaphragm valve is most prefered brand for leading pharman Companies.  

Weld Arc Engineers is one of the reputed and authorized Saunder Valve Distributor 

Saunders Bio Block bodies are a unique platform of custom full stop designs. These innovative Machined Block solutions may be driven by process, space constraints, system design, piping challenges, orientation requirements or regulatory issues. We work closely with our customers to design and develop fast track menus of Bio Block solutions to meet the unique challenges of Life Science applications.


  • Flexibility of design orientation and configuration to meet exact process need
  • Zero or minimum deadleg optimisation within system design constraints
  • Minimum internal wetted area
  • Simplified and easier validation of single piece Bio Block
  • ASME BPE compliant weld tangents to facilitate ease of installation

Size Range

  • DN8-150 (0.25"-6")



Materials - Body

  • Standard 316L ASTM A-479
  • DIN 1.4435, AL6XN, Hastelloy and other materials available on request



End Connections

  • Tube OD ASME BPE, DIN 11866 Series A, B (DIN/ISO)
  • Hygienic Clamp

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