Mixproof Valve

Sanitary Mixproof Valve

Sanitary Mixproof Valve is applied in the industries of dairy, brewery, beverage, chemical, and pharmacy. As a hygienic valve with double sealings, Mixproof Valve is designed to separate two different materials of the piping system to protect the materials from contaminating each other. Compare with single seat valve, mixproof valve save more space to enable the pipeline perform excellently and conveniently.


聽聽聽 Design:

  • Availabe from 1-1/2″ to 4″ (DN40 ~ DN100).
  • The body of mixproof valve is with normally closed pneumatic actuator.
  • Forged ball type body.
  • Compact design.
  • Angular orientation 360掳.
  • Balanced protection design.
  • Distinguish whether the gasket is broken or not through observing the leaking tube of the valve bottom
  • Easy disassembly.


聽 聽 Material:

Stainless Steel 316L聽or 1.4404 etc.


聽 聽聽Strength:

  • 聽聽聽 Material聽of stainless steel 316L and 1.4404聽is from reputed mill to guarantee the chemical composition and mechanical propertis. Material certificate will be submitted follow to orders.
  • 聽聽聽 Forged /investment valve body and disc to control the leakage and visual.
  • 聽聽 聽Superior聽facilities and聽good experiences for fabrication.
  • 聽聽 聽In ability to improve and develop new design.
  • 聽聽 聽Fast delivery is possible to meet your needs well in time.
  • 聽聽 聽Low cost from bulk production will reduce your budget and improve your business.
  • 聽聽 聽Small quantity available.


聽聽 聽Quality & Inspection:

  • 聽聽 聽 PMI test to verify material grade
  • 聽聽 聽 Dimension controlling during fabricating and finished
  • 聽聽 聽 Visual and聽surface 100% examination before shipment
  • 聽聽 聽 Packed in carton box firstly, then in wooden case
  • 聽聽 聽 Third party inspection available.


聽聽聽 Application:

聽聽聽 Food, Brewery, Beverage, Dairy, Pharmaceutical, Biopharma etc.


Technical Specifications & Options of Sanitary Mixproof Valve

General Specifications of Sanitary Mixproof Valve

Working Pressure

Max. Working Pressure

10 bar (4″ is 5 bar only)

Working Temperature

Continuous Working Temperature

-10掳C ~ +120掳C(EPDM)

Surface Finish

Internal Surface Finish


External Surface Finish



Connection Standards


Connection Standards

Butt Weld, Tri-Clamp, Threaded


Metal Material

Product Wetted

316L (1.4404) Forged

Other Steel Parts

304 (1.4301)

EN 10204 3.1B certificate is available on request.

Seal Material




FPM(Viton -R), NBR

All seal materials comply with FDA 177.2600.

Manual Handles & Pneumatic Actuator

Pneumatic Actuator


Stainless Steel


Air/Air (A/A)

Pneumatic Actuator


Normally Closed (NC)


Plastic Pneumatic



Air/Air (A/A)


Normally Closed (NC)/Normally Open (NO)

Air Supply

Dry & Filtered Compressed Air

*For more information of Santiary Mixproof Valve of Wellgreen, please contact us for details.



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