206 In-Line Flanged Diaphragm Seals
- Overview
- Applications
- Certificates & Approvals
Overview
The Ashcroft® 206 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 welded (metallic) or bonded (elastomer) to top housing
Specifications:
- Process size: 1/2" to 8"
- Flange rating: 150 class
Applications
The 206 in-line 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
- NACE Compliant Processes (Sour Gas Separation)
- Biogas and Biodiesel
Certificates & Approvals
- ATEX
- CRN
- GOST
- NACE





