In the Model 700 DGC, which has been specifically designed for the cryogenic industry, the movement of the diaphragm is converted into appropriate calibrated rotary movement of the pointer through a magnetic connection. This type of diaphragm model is used in applications where no migration of the media from high pressure side (HP) to low pressure side (LP) is permitted.
In case of condensation: New EP series engineering polymer case is recommended. In operating condition with frequent temperature fluctuations, condensation may occur on the glass affecting visibility. Hirlekar Precision’s EP Series Engineering polymer cases can be easily opened and cleaned on site.
Specifications
Migration - Zero Migration from high to low port
First marking on scale - 15% of the FSD
Wetted Parts - Diaphragm, body material, SS 302 spring & ceramic magnet
Mounting - Direct, front flange, 2” pipe & surface mounting
Seals - Buna-N, Viton & EPDM
Window - Standard: Float glass
Optional: Toughened glass, acrylic & safety glass
Porting - rear, bottom, bottom & vent, in-line & vent, in-line & bottom
Over range protection - Up to the max. working pressure from high side only.