Sanitary Tank Bottom Valve

Sanitary Tank聽Bottom聽Valve

Sanitary Tank Bottom Valve is a drain valve which used on process equipments. It is the ideal sanitary valves for the gas and liquid service or with slurries, polymers, and high viscosity fluids, which may solidify at room temperature. Wellgreen provide聽tank bottom valve to aseptic process industry with good quality and service, it is a good choice for draining tank聽and process vessel etc.


聽聽聽 Design:

  • Suitable for inert and corrosive liquid and gaseous medium.
  • The body of tank bottom valve is integrate, not splitted..
  • Double layer diaphragm design (EPDM+PTFE).
  • High purity hygienic design, conform to 3A standard.
  • High quality diaphragms divide hermetically critical fluids from the actuator.
  • Smooth, pore free surface allows for easy cleaning.
  • CIP/SIP cleaning and sterilizing capabilities of our tank bottom valve.

聽聽聽 Material:

Stainless Steel 304,316L聽or en.1.4301, 1.4404 forged.



  • 聽聽聽 Material聽of stainless steel 316L and 1.4404聽is from reputed mill to guarantee the chemical composition and mechanical properties. Material certificate will be submitted follow to orders.
  • 聽聽聽 Forged 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 Tank Bottom Valve

General Specifications of Sanitary Tank Bottom Valve

Working Pressure

Max. Working Pressure

10 bar

Working Temperature

Continuous Working


-10掳C ~ +121掳C(PTFE+EPDM)

Sterilization Temperature

150掳C (Max 20min)

Surface Finish

Internal Surface Finish


External Surface Finish

Semi-light or sand blast


Connection Standards


Connection Methods

Welding, Clamp


Metal Material

Product Wetted

316L (1.4404) forged or casted

Other Steel Parts

304 (1.4301)

EN 10204 3.1B certificate is available on request.

Seal Material




FPM, Silicone, EPDM

FPM, Silicone, EPDM

Manual Handles & Pneumatic Actuator

Manual Handle

Hand operated

Plastic handle wheel

Pneumatic Actuator

Pneumatic Actuator


Normally Closed (NC)


Air/Air (A/A) / Normally Open (NO)

Air Supply

Dry & Filtered Compressed Air

*For more information of Sanitary Tank Bottom Valve, please contact us for details.

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