207 In-Line Socket Weld Diaphragm Seals

The Ashcroft® 207 in-line socket-weld diaphragm seal or isolation device protects pressure measuring instruments. Mounted in-line to the process piping, it is used on applications where continuous flow prevents process clogging or accumulation, while preventing process fluid loss in the event the measuring instrument is removed or fails. An ideal model for satisfying installation requirements.

Key Features:
  • Wide selection of diaphragm and lower housing materials
  • Diaphragm welded (metallic) or bonded (elastomer) to top housing
Specifications:
  • Process size: 1/4" to 2"
  • Rated up to to
    14 bar:  Kalrez Diaphragm,
    34 bar: Viton Diaphragm,
    172 bar: Metal or Teflon® Diaphragm

The 207 in-line diaphragm seal is ideal where process protection is essential:

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

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Tools

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  • Materials Selector

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

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