Operation: Vapour Pressure or Vacuum from the process is connected to one end of the manometer. Rise/Fall of Manometer Fluid meniscus shows pressure, Vacuum of differential pressure.
U - Tube
Body - Aluminum/wooden/SS
No moving parts
MOC: 316/PP, Borosil Capillary
Range: Vacuum to 2 Bar
System pressure: 20 Bar Max
Operational Temperature: 300 degree celcius (Consult works)
Applications: Calibration, process vacuum, exhaust, etc.
Sight Flow Indicators
Connected in piplines, they show flowing liquids under pressure and vacuum through cylindrical glass or toughened glass window.
Features: MOC: CS, SS, 316, PP or PTFE lined for Universal Corrosion Resistance.
Operational Pressure: Absolute Vacuum to 20 Bar Maximum. Operational Temperature: Indian Glass 150 degree, Maxos German 300 degree.
Options: Drip lip, Flapper, Rotowheel