Sanitary Diaphragm

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Sanitary Diaphragm

Sanitary Diaphragms for Sterile and Uninterrupted Process Media Operations

Sanitary diaphragm valves have a reputation for providing hygienic operation. They are ideally suited for applications that involve throttling, unobstructed flow, and positive shut-off processes for ultra-pure and sensitive media.

Operation and Technical Specifications of Sanitary Diaphragms

The sanitary diaphragm is designed to isolate process media from moveable valve parts as well as contamination. This isolation provides protection to the process media from environmental contaminants, while ensuring that it does not interfere with the valve operation.

Diaphragm Direct®, offers replacement diaphragms in the following specifications.

  • Sizes: From ¼" through 4"
  • Materials: Elastomers (EPDM, Fluor elastomer, Buna, Butyl, and PTFE backed elastomers
  • Compliance:  ASME BPE SG standards

Benefits of Sanitary Diaphragms

Sanitary diaphragms can provide several advantages to the customer and the industrial application.  

  • The valve is fully drainable, and prevents any possibility of media entrapment. 
  • The diaphragm valve body is forged from 316L stainless steel. This steel type allows for surface finishes to be as low as 10Ra. The body can also be electro polished for improved surface finishes.
  • Sanitary diaphragm bonnets and diaphragms can be serviced without removing the valve body from an application process line. 
  • Sanitary diaphragms provide advantages of steam resistance and long term durability.
  • Diaphragm Direct® sanitary diaphragm JIT program can make diaphragm change outs easy, reducing downtime and cost.

Applications of Sanitary Diaphragms

Sanitary diaphragms can be used to maintain high levels of hygiene in applications in various industries. These include:

  • Pharmaceuticals
  • Bioprocessing
  • Food and Beverage
  • Cosmetics
  • Bakeries

Diaphragm Direct® sanitary diaphragms provide the right combination of performance and hygiene. Our products can support valves and metering pumps in various industrial applications. 

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