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 | 


 
