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 |

