Spring and diaphragm as well as magnet couple with pointer. Differential pressure indicated on dial due to AP pressure of high side and low side be made from magnet couple with pointer.
Technical Data
Housing Material: 316 stainless Steel Housing Protection: IP66
Pressure Elément: Diaphragm- Viton; other parts ail in SS316 Process Connection: Vi" or 14”NPT female Working Pressure: 200 kg/cm2
(Both of High & Low side must be pressured on line at the same time.)