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The Ashcroft® 740 high-displacement diaphragm seals are used with low-ranged instruments or high static pressure differential pressure gauges with low differential pressure. 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®

Pressure Rating

 N/A Up to 750 psi

Typical Added Tolerance (±)

 N/A 0.5 %

Connection Style

 N/A Threaded

Process Connection Size

Process Connection Size (National Pipe Thread (NPT) Female)

 N/A 1/4 in1/2 in3/4 in1 in

Instrument Connection Size

Instrument Connection Size

 N/A 1/2 in1/4 in

Instrument Connection Type

 N/A National Pipe Thread (NPT) Female

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 Fracking
NACE Compliant Processes (Sour Gas Separation)
Biogas and Biodiesel