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VDN Sanitary Diaphragm Valve

VDN series diaphragm valves, specially designed for using on dairy, beverage, foodstuff, pharmaceutical and other industries.It is excellent for flow control as well as for open/close duties.
• Operation: Manual or Pneumatic
• Body Materials: AISI-316L
• Membrane Material: EPDM + PTFE or EPDM
• Size available: 3/4"-21/2" or DN15-DN65

  • VDN


VDN series is a sanitary diaphragm valve , specially designed for using on food, beverage, dairy, brewing, pharmaceutical industries, etc. It is excellent for flow control as well as for open/close duties.


  • Body: AISI-316L

  • Membrane: EPDM+PTFE or EPDM

The seal materials comply with FDA177.2600 standard. Using proprietary technology, the diaphragm uses a combination of EPDM and PTFE, which is secured using SS bolts. The sealing part where contact with the medium is of PTFE material, it has good cold resistance -13°F (-25°C), excellent heat-resistance 482°F (+250°C), tolerance to most chemicals, and excellent abrasion resistance to medium flow.

Standard Design

  • Standards: DIN, SMS, ISO / IDF, BS / RJT, ASME / BPE.

  • End connections: butt-welded, sanitary clamp, or others upon request

  • Body type: T-type tee, U type tee, Mini type, tank bottom type, etc.

Technical Specification

  • Max. working pressure: 147psi (10bar)

  • Temperature range: 14 ~ 248°F (-10 ~ 120°C), EPDM

  • Inside polishing: Ra 16-32& micro;in (0.4 ~ 0.8µm)

  • Available for CIP/SIP.



Sanitary Pumps

Contact Us

Wenzhou QiMing Stainless Co.,Ltd
Add: No 659 Dingxiang Road, BingHai Industry Zone, Wenzhou, Zhejiang, 325025, China
Tel: 86-577-86007756
Fax: 86-577-86005753
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