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The Ashcroft® 402 flanged all-weld diaphragm seals protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit high temperature, pulsation or the potential to clog an instrument connection. An ideal selection for applications requiring minimal potential leak paths.
Unit of Measure

Specifications

Brands

 N/A Ashcroft®

Typical Added Tolerance (±)

 N/A 0.5 %

Connection Style

 N/A Flanged

Process Connection Size

Process Connection Size

 N/A 1 in1/2 in1-1/2 in2 in3 in3/4 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
  • Wide selection of diaphragm and lower housing materials
  • All welded construction

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 (Sour Gas Separation)
Biogas and Biodiesel