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Ashcroft 206 In-Line Flanged Diaphragm Seal

The Ashcroft® 206 in-line flanged diaphragm seals protect pressure measuring instruments. Mounted in-line with the process piping, it is used in applications where continuous flow is required to prevent clogging. Its continuous-duty design prevents process fluid loss in the event the measuring instrument is removed or fails.

Features

316L stainless steel top housing (standard)
Wide selection of diaphragm and lower housing materials
Diaphragm welded (metallic) or bonded (elastomer) to top housing

Applications

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 Biodeisel

Product Specs

Process Connection Size
1 1/2 NPS
1 NPS
1/2 NPS
2 NPS
3 NPS
3/4 NPS
4 NPS
6 NPS
8 NPS

Instrument Connection
1/2 NPT Female
1/4 NPT Female

Added Tolerance
±0.5% typical

Connection Style
In-Line Flanged

Flange
150 Class
300 Class

Flange Ratings
Per ASME B16.5

Certifications & Approvals

GOST
NACE
Cleaned for Gaseous Oxygen
Hydrostatic / Pneumatic Test
Mass Spectrometer Leak Test
Positive Material Identification (PMI)
Typical Material Certification
ASME

For complete part number specifications, installation guides, and the official Ashcroft 206 In-Line Flanged Diaphragm Seal manual, please download the product data sheet (PDS) or instruction manual below.

Data Sheets

Data Sheet - Ashcroft 106-206 In-Line Flanged Diaphragm Seals