Valve Diaphragms, Fabric Seals Manufacturer & Supplier of Diaphragms, Fabric Seals from India
Industrial Rubber Product Manufacturer, Molded Rubber Product Manufacturer, Extruded Rubber Product Manufacturer from Mumbai, India     E-mail:
    For Technical Assistance call: +91-98335 08079
Rubtech India - Diaphragms, Fabric Seals Manufacturer & Supplier from India
  Products Categories:
  Molded Rubber Products
  Extruded Rubber Products
  Inflatable Seals
  Food Grade Products
  PTFE Products
  Home >> Products >> Molded Products >> Valve Diaphragms
Valve Diaphragms
The features of Diaphragm Valve makes it the most suitable & preferred valve for aseptic and sterile operations. The Diaphragm valve has outstanding self draining characteristics. The diaphragm of the valve is the key performance component providing leak tight shutoff between upstream and downstream. The Diaphragm also isolates the top works or actuating parts from the process media. The operating mechanism of a diaphragm valve is not exposed to the media within the pipeline.

The picture explains the section view of the Diaphragm vlave.

Diaphragm Material:

The materials commonly used in bioprocess for the diaphragm is EPDM (Ethylene Propylene Diene Monomer)

EPDM has
  • Good mechanical properties.
  • Resistant to aging, ozone, oxygen, and ultraviolet radiation.
  • Good resistance to steam and CIP fluids.

(Poly Tetra Fluoro Ethylene) is preferred during very high temperatures. Normally PTFE diaphragms are two piece construction. The working surface is PTFE and it is backed with a rubber or EPDM.

Key elements in diaphragm selection:
  • Media compatibility
  • Elasticity
  • Temperature of operation
  • Level of extractables
  • Resistance to compression
  • Longevity
  • Regulatory conformance
Diaphragm life depends upon:
  • The nature of the material handled
  • Temperature & Pressure
  • Frequency of operation
Other material can be used depending upon the requirements:-

Butyl, Buna - N, Nitrile, Neoprene, Silicon, Viton
Rubtech India - Diaphragms, Fabric Seals Manufacturer & Supplier of Diaphragms, Fabric Seals from India
Home Page | About Us | Product Details | Technical Data | Enquiry | Contact Us | Sitemap
Copyrights RubtechIndia. 2006 All Rights Reserved.
Web Development, Website Designed By: CorpMedia Inc.