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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.
Unit of Measure

Specifications

Brands

 N/A Ashcroft®

Typical Added Tolerance (±)

 N/A 0.5 %

Connection Style

 N/A Flanged Flush Diaphragm

Process Connection Size

Process Connection Size

 N/A 1 in1-1/2 in2 in3 in4 in

Process Connection Type

 N/A National Pipe Straight (NPS)

Instrument Connection Size

Instrument Connection Size

 N/A 1/2 in1/4 in

Instrument Connection Type

 N/A National Pipe Thread (NPT) Female

Flange

Flange Class

 N/A 150 300 600 900 1,500

Flange Ratings (Maximum Allowable Working Pressure (MAWP))

 N/A Per American Society of Mechanical Engineers (ASME) B16.5

Key Features

Key Features

 N/A
  • Flush design minimizes the use of expensive specialty wetted materials
  • Flush-mounted diaphragm prevents clogging of process media
  • Available with optional Flushing Ring

Applications

Applications

 N/A Process Market:
Oil and Gas
Refineries
Chemical and Petrochemical
Water and Wastewater

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