Product Benefits

The Zero Contamination stem seal is suitable for use in flammable applications in the BioPharm, pharmaceutical, and chemical industries. It eliminates a possible source of contamination from the presence of graphite in the stem seal. In this instance, the HermetiX™ stem seal is made solely from FDA-approved materials, thus avoiding possible rejection due to batch contamination.

Technical Data

Size Range:  DN15 – DN200

Valves DN15 to DN25 are one-piece designs.

Valves DN40 to DN200 are two-piece designs.

Material: Stainless Steel, Carbon Steel, Alloy-20 (others on request)

Flange Connection:

77 Series – DIN PN16 F1,F4, F5
78 Series – DIN PN40 F1,F4, F5

Certifications: API 607 4Th Edition & BS 6755 Part 2 Fire Testing

Operation: Wrench or Gear operated, Actuated



  • Chemical
  • Petrochemical
  • Oil and Gas production
  • Refining
  • Pulp & Paper
  • Food Industry and others


  • Steam
  • Thermal Fluid
  • LP-Gas
  • Dry Chlorine
  • Oxygen
  • Ammonia
  • Vacuum
  • Sour Gas
  • and others

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