Diaphragm air gauge
Specification of Diaphragm air gauge:
Dial Size: 60mm 100mm 150mm
Accuracy: :±1.5%,±2.5%
Diaphragm Material: 0Cr17Ni12Mo2(316); Cu30Ni70; H276C; Ta or Fluorine rubber or Fluorine plastic(F4).
Flange Material: Stainless steel 0Cr17Ni12Mo2(316); Stainless steel lined with fluorine plastic(316+F4).
Diaphragm liquid selection:
Sealing liquid | Temperature range of pressed part | Gravity g/cm3 | Volume coefficient 1/°C | Usage |
High viscosity silicone oil | -10~200°C | 1.07 | 0.95-10-3 | High temperature |
Low viscosity silicone oil | -30~100°C | 0.94 | 1.08-10-3 | General use |
Glycerin water solution | -5~100°C | 1.27 | 0.61-10-3 | Food use |
Vegetable oil | -5~100°C | 0.93 | 1.03-10-3 | Food use |
Table fluorinated oil | -30~150°C | 1.93 | 0.75-10-3 | Hydrogen, oxygen |