204 In-Line Threaded Diaphragm Seal
The Ashcroft® 204 in-line diaphragm seals protects pressure measuring instruments. Mounted in-line with the process piping, it is used in applications where continuous flow is required to prevent clogging. It also prevents process fluid loss in the event the measuring instrument is removed or fails. An ideal choice for satisfying challenging installation in oil and gas or water and wastewater applications.
Key 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 Biodiesel
Specifications
Certifications & Approvals
Data Sheets & Instruction Manuals
Drawings & Product/Technical Information
Process Connection Size
1/4 to 1 NPT
Instrument Connection
¼ or ½ NPT Female
Added Tolerance
±0.5% typical
Connection Style
In-line Threaded
Pressure Rating
2,500 psi
Certifications & Approvals
Cleaned for Gaseous Oxygen
GOST
Hydrostatic / Pneumatic Test
Mass Spectrometer Leak Test
NACE
Positive Material Identification (PMI)
Typical Material Certification
Data Sheets:
Product/Technical Information:
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Resources & Tools
Materials Selector
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Unit Converter
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Product Information
To learn more about the technical details for options available, review our product information (PI) pages.
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