In the Hirlekar Precision Model EX-400 DGC, 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. The explosion proof box manufactured by Akron (USA) is ATEX approved.
Specifications
Migration - Zero Migration from high to low port
Range - 0-25 to 0-600 mm H2O
0-1 to 0-25 inch H2O
First marking on scale - 15% of the FSD
Mounting - As per the explosion proof box drawings
Seals - Buna-N, Viton & EPDM
Window - Standard: Float glass
Optional: Toughened glass, acrylic & safety glass
Porting - Bottom (right side) & back
Over range protection - Up to the max. working pressure from high side only.