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ITT EnviZion Manual Bonnet
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ITT EnviZion Manual Bonnet


The EnviZion Manual Bonnet is a high-performance valve designed for the demanding requirements of the biopharmaceutical industry. Available in sizes ranging from 0.5 to 2 inches (DN15-50), this manual bonnet features a stainless steel construction and an FDA 21CFR177.1660 compliant PES handwheel and bonnet cover for superior corrosion resistance and compatibility with common industry washdowns.

Engineered with a focus on reliability and ease of use, the EnviZion Manual Bonnet incorporates a range of standard features, including a thermal compensation system, visual position indication, weep hole, safety lock-pin, and travel stop. This innovative design ensures consistent performance, enhanced safety, and simplified maintenance in critical applications.


  • Autoclavable for sterility and cleanability
  • The thermal compensation system maintains consistent performance
  • Visual position indication for easy monitoring of valve status
  • Weep hole prevents fluid entrapment and contamination
  • Safety lock-pin ensures secure operation
  • Travel stops provide precise control and prevent over-cycling


  • Biopharmaceutical processing
  • Clean-in-place (CIP) and steam-in-place (SIP) systems
  • Water for injection (WFI) distribution
  • Buffer and media preparation
  • Product transfer and sampling lines


  • Sizes: 0.5 to 2 inches (DN15-50)
  • Materials: Stainless steel body, FDA 21CFR177.1660 compliant PES handwheel and bonnet cover
  • Corrosion resistance: Suitable for common industry washdowns; consult factory for specific chemical resistance



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