DF Flush Flanged Diaphragm Seal

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The Ashcroft® DF 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:
  • Flush design minimizes the use of expensive specialty wetted materials
  • Flush-mounted diaphragm prevents clogging of process media
  • Available with optional Flushing Ring
Applications:

Process Market:
Oil and Gas
Refineries
Chemical and Petrochemical
Water and Wastewater

Process Applications:
Oil and Gas Fracking
NACE Compliant Processes
Biogas and Diesel

Specifications

Certifications & Approvals

Datasheets & Instruction Manuals

Drawings

Resources & Tools

Min/Max Guide

IMPORTANT! When selecting a diaphragm seal or isolation ring, refer to the Min/Max Guide (PI page) for compatibility with this gauge. 

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Materials Selector

Use the selector to review compatible wetted materials and requirements of your application.

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Unit Converter

Need to convert measurement units? Check out our quick and easy tool to convert pressure, temperature and flow units of measure.

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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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Contact Ashcroft

Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Learn more about how we can help you protect your people, processes, and profits.

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