Transducers and Transmitters

Diaphragm Seals - High Displacement Low Pressure Applications



702-703 Flanged High Displacement Diaphragm Seals
The Ashcroft® 702 and 703 high-displacement diaphragm seals or isolation devices are used with low pressure or differential pressure gauges with low differential pressure and elevated static pressure.


Diaphragm Material

Bottom Housing Material

Flange Rating

Variety of metallic and non-metallic wetted materials

Variety of metallic and non-metallic materials

150, 300, 600

740-741 High-Displacement Diaphragm Seals
The Ashcroft® 740 and 741 high-displacement diaphragm seals or isolation devices are used with low-ranged instruments or high static pressure dp gauges with low differential pressure.


Diaphragm Material

Bottom Housing Material

Flange Rating

Variety of metallic wetted materials

Variety of metallic materials

750 psi