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The Ashcroft® 702 high-displacement diaphragm seals are used with low differential pressure gauges rated for elevated static pressures up to 750 psi. Used to ensure material compatibility, they are also applied when process media exhibit pulsation or the potential to clog an instrument connection. An ideal product for satisfying low pressure measurement needs.
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

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
  • Enlarged welded diaphragm; high displacement allows high sensitivity to pressure fluctuations

Applications

Applications

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

Process Applications:
Oil and Gas Racking
NACE Compliant Processes (Sour Gas Separation)
Bioassay and Biocides