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DF Flush Flanged Diaphragm Seal
Brand: Ashcroft IncThe 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.
Features- Flush mounted diaphragm seal prevents clogging
- Engineered to minimize the use of expensive wetted materials
- Continuous-duty construction
- Available with a wide range of wetted materials
Specifications
Brand
Flange Material
- 316L Stainless Steel
Special Cleaning & Packaging
- Cleaned for Oxygen Service
Flange Size - 1” (DN 25)
- 1" (DN 25) - 150# ASME
- 1" (DN 25) - 1500# ASME
- 1" (DN 25) - 2500# ASME
- 1" (DN 25) - 300# ASME
- 1" (DN 25) - 600# ASME
- 1" (DN 25) - 900# ASME
Approvals & Certifications
- CRN - Canadian Registration Number
- CE II 2 GD C II TX
- ATEX Ex 0044
- Hydrostatic/Pneumatic Test
- Mass Spec Leak Test
- Material Test Certificate EN 10204 3.1
- PMI - Positive Material Identification
Flange Type
- Raised Face (RF)
- Ring Joint Facing
Flange Size - 4” (DN 100)
- 4" (DN 100) - 150# ASME
- 4" (DN 100) - 1500# ASME
- 4" (DN 100) - 2500# ASME
- 4" (DN 100) - 300# ASME
- 4" (DN 100) - 600# ASME
- 4" (DN 100) - 900# ASME
Enclosure, Body Material
- 316L Stainless Steel
NACE & NIST
- NACE
Diaphragm Material
- 316L Stainless Steel
- Gold-Plated 316L Stainless Steel
- Hastelloy C-276
- Monel 400
- Tantalum
- Teflon-Coated 316L
Flange Size - 2” (DN 50)
- 2" (DN 50) - 150# ASME
- 2" (DN 50) - 1500# ASME
- 2" (DN 50) - 2500# ASME
- 2" (DN 50) - 300# ASME
- 2" (DN 50) - 600# ASME
- 2" (DN 50) - 900# ASME
Fill Material
- Halocarbon
- Silicone 10, 50 cSt
- Syltherm
Flange Size - 3” (DN 80)
- 3" (DN 80) - 150# ASME
- 3" (DN 80) - 1500# ASME
- 3" (DN 80) - 2500# ASME
- 3" (DN 80) - 300# ASME
- 3" (DN 80) - 600# ASME
- 3" (DN 80) - 900# ASME
Mounting
- Flush Mounted
Flange Size - 1-1/2” (DN 40)
- 1-1/2" (DN 40) - 150# ASME
- 1-1/2" (DN 40) - 1500# ASME
- 1-1/2" (DN 40) - 2500# ASME
- 1-1/2" (DN 40) - 300# ASME
- 1-1/2" (DN 40) - 600# ASME
- 1-1/2" (DN 40) - 900# ASME
NPT Connection
- Instrument Connection: 1/2" NPT Female
- Instrument Connection: 1/4" NPT Female
Seal Type
- Flush
- Biogas & Biodiesel
- Chemical & Petrochemical
- NACE Compliant Processes
- Oil & Gas Applications
- Oil & Gas Fracking
- Refineries
- Water & Wastewater