DFE-EN All-Welded Flanged Diaphragm Seal

The Ashcroft® DFE all-welded flanged diaphragm seal uses a diaphragm welded directly to the assembly flange and a light weight flange inlay. Used when process compatibility is required, these are also applied when media exhibits high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.

Key Features:
  • Wide selection of diaphragm materials
  • Diaphragm welded to flange
  • Filling port in the instrument connection
  • Suitable for pressure gauges, switches and transmitters
Specifications:
  • Flange size: DN25 or DN40
  • Flange rating: PN10 to PN40 - class flanges
  • Flange design according to EN 1092-1

The type DFE diaphragm seals are ideal where process protection is essential:

Process Market:
  • Oil and Gas
  • Refineries
  • Chemical and Petrochemical
  • Water and Wastewater
Process Applications:
  • Oil and Gas Fracking
  • NACE Compliant Processes (Sour Gas Separation)
  • Biogas and Biodiesel
  • ATEX
  • CE
  • GOST
  • NACE
 

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Tools

  • Distributor Locator

    Locate an authorized Ashcroft distributor in your area.
  • Materials Selector

    Use the selector to review compatible wetted materials and requirements of your application.

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