Steam flow meter is an auxiliary equipment used in boilers for the purpose of calculating the quantity of steam supplied from the boiler to the main header for further distribution to machines. These are mostly calculated in kilograms and seldom in other units as well depending on region.
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A few types of steam flow meters with its mechanism are mentioned below:
- Vortex type: This is the most sophisticated equipment type that is available in the market currently. These machines measure steam using the vortices generated by the machine. They offer high accuracy, low maintenance and lower down time in comparison to other options.
- Orifice Type: Also known as differential Pressure (DP) type, this kind of a steam flow meter uses obstructions to create pressure drop to measure the flow velocity and thereby calculate steam.
- Turbine Flowmeters: is also commonly used in industries for the precise steam volume indication. Using a simpler process of calculating turbine rotations, this equipment is also widely accepted.
Due to the velocity variations based on the pressure changes may alter the result up to 10% and 50% in terms of low firing mode, currently the best and one of the most reliable type of steam flow meter is by far the vortex type due to its precision.