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Specialists in sanitary process equipment

Keofitt Sampling Valve - W9

HD Process are the official distributor for Keofitt products. The standard is the W9, engineered for hygienic and aseptic sampling, the W9 is the industry standard for low‑ to medium‑viscosity liquids. Its compact design, robust stainless‑steel construction, and membrane‑based aseptic barrier make it a trusted choice for process lines where sample integrity matters.

The W9 is suited for products up to roughly 1,000 cP and for applications requiring repeatable, contamination‑free sampling. Identifiable by the 9mm port that it samples through and the code located below the Keofitt logo on the body.


  • Aseptic membrane design — Prevents contamination between samples and protects product integrity
  • 316L stainless steel construction — Durable, corrosion‑resistant, and compliant with hygienic standards
  • Modular valve head options — Manual, pneumatic, steam‑sterilizable, and CIP‑compatible configurations
  • Tri‑Clamp, weld, and thread connections — Fits seamlessly into existing process lines
  • Easy maintenance — Quick membrane replacement and simple disassembly reduce downtime
  • Suitable for a wide range of products — Milk, beer, syrups, creams, culture media, pharmaceuticals, and more
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    + 64 9 580 2520 | mail@hdprocess.co.nz | 1/10C Maurice Rd Penrose Auckland