DF-EN Flush Flanged Diaphragm Seal
DF-EN Flush Flanged Diaphragm Seal
The Ashcroft® DF flush flanged diaphragm seal uses a flush diaphragm welded directly to the assembly flange, eliminating the need for a bulky lower housing.
Features & Properties
Use & Application
Downloads
Features & Properties
Use & Application
The type DF diaphragm seals are ideal where process protection is essential:
Downloads
Data Sheets
Installation + Maintenance
Declaration of Conformity
Industry Brochures
- 📄 Instrumentation for Water Treatment and Waste Water Industries 🇬🇧
- 📄 Catalogue Oil & Gas EN 🇬🇧🇩🇪🇫🇷🇮🇹🇹🇷
Selection Guides
Product + Technical Information
- 📄 Product Information Page Product for Sour Oilfield NACE MRO0175 and Sour Petroleum Refining Operations NACE MRO0103 ASH-PI-60D 🇬🇧
- 📄 Product Information Page DS-PI-82 pi-page-minimum-maximum-pressures-for-diaphragm-seal EN 03-2023 🇬🇧
Safety Data Sheets
The Ashcroft® DF-EN flush flanged diaphragm seal uses a diaphragm welded directly to the assembly flange. This eliminates 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
Available with optional Flushing Ring
Material certificates to EN 10204:2004 3.1
Rupture protected due to embedded convolution behind the diaphragm
NACE compliant assemblies
Flush design minimizes the use of expensive specialty wetted materials
Selection of wetted materials
Flush-mounted diaphragm prevents clogging of process media
Markets & Applications
Oil and Gas
Refinery
NACE Compliant Processes (Sour Gas Separation)
Machine Automation
Pumps and Compressors
Chemical and Petrochemical
Water and Wastewater
Energy
Biogas and Biodiesel
Pressure Rating
PN10 ... PN100
Process Connection Style
Flange according to EN 1092-1
Accuracy
Added Tolerance ±0.5% typical
Instrument Connection Style
Welded
Threaded
Wetted Parts Material
Inconel
Hastelloy C
Tantalum
Halar coated
Gold plated
PTFE coated
Stainless steel 904L (1.4539)
PFA coated
Stainless steel 321 (1.4541)
Stainless steel 316L (1.4404)
Monel
Duplex
Process Connection Size
DN25 ... DN125
Case or Body Material
Stainless steel 316L (1.4404)
Data Sheets
Installation + Maintenance
Declaration of Conformity
Industry Brochures
- 📄 Instrumentation for Water Treatment and Waste Water Industries 🇬🇧
- 📄 Catalogue Oil & Gas EN 🇬🇧🇩🇪🇫🇷🇮🇹🇹🇷
Selection Guides
Product + Technical Information
- 📄 Product Information Page Product for Sour Oilfield NACE MRO0175 and Sour Petroleum Refining Operations NACE MRO0103 ASH-PI-60D 🇬🇧
- 📄 Product Information Page DS-PI-82 pi-page-minimum-maximum-pressures-for-diaphragm-seal EN 03-2023 🇬🇧
Safety Data Sheets
Download-Center
Lösungen
Tools
FAQ
- Category: Flanged Seals
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