Ashcroft 106 In-Line Flanged Diaphragm Seals

The Ashcroft® 106 in-line flanged 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 choice for satisfying challenging installation requirements.

Key Features:

  • Wide selection of diaphragm and lower housing materials
  • Diaphragm threaded to top housing


  • Process size: 1/2" to 8"
  • Flange rating: 150 class

The 106 in-line flanged 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 Transportation-Pipelines
  • Biogas and Biodiesel

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