DF-EN Flush Flanged Diaphragm Seal
- Overview
- Applications
- Certificates & Approvals
Overview
The Ashcroft® DF flush flanged diaphragm seal uses a diaphragm welded directly to the assembly flange, eliminating much of the cost associated with bulky lower housings made from exotic and expensive wetted materials. The flush-mounted diaphragm prevents clogging and is available in a full range of metallic and coated materials.
Key Features:
- Flush design minimizes the use of expensive specialty wetted materials
- Flush-mounted diaphragm prevents clogging of process media
- Diaphragm welded to flange
- Filling port in the instrument connection
- Suitable for pressure gauges, switches and transmitters
Specifications:
- Flange size: DN25 to DN125
- Flange rating: PN10 to PN100 - class flanges
- Flange design according to EN 1092-1
Applications
The type DF 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
Certificates & Approvals
- ATEX
- CE
- GOST
- NACE






