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The GEMÜ plastic flowmeter, which operates on the variable area principle, is extremely accurate, resistant to corrosion, or impact, and is simple to use.
We offer more than 500 standard scales in many measurement types and more than 3000
special scales to ensure a solution tailored to your specific measurement and control requirements.
Flow rate measuring to acquire flow data for neutral and aggressive gases and liquids in control circuits, e.g. in water treatment systems, flue gas desulphurization, waste water treatment, chemical and pharmaceutical industries.
The GEMÜ type 840 is particularly well suited for measuring large volume flow rates such as in open air and indoor swimming pools, waste water treatment and process water treatment. |
 
Type 800 Type 850 |
- The metering tube, union, seal and float materials can be suited to the medium
- Big dovetail sections allow for easy mounting of limit switches or a continuous signal transmitter
- Clear and large size scale
- Over 500 standard scales and over 3000 special scales are available
- Further scales are available on request
- Type series 850 is suitable for volumetric flow measurement of inert and corrosive gases and liquids
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Flowmeter Type 840 |
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| The flowmeter consists essentially of three parts: main flow unit, part flow unit and manual diaphragm valves. |
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- Main flow unit
The material used is PVC or PP. The orifice material can be selected as either PVC, PP, or stainless steel. The body has plain (PVC) or welding (PP) spigots enabling it to be connected by means of screwed valve unions or flanges.
- Part Flow Unit
Plastic flowmeter which works on the variable area principle with integral metering orifice. Housing material; polysulphone.
The float is made of PVC or PP which can also be fitted with a magnet for electrical detection of the limiting values. Dovetail sections molded onto the metering tube allow for easy mounting of adjustable flow indicators (supplied with the flowmeter), minimum and/or maximum limit switches.
- Manual diaphragm Valves
The part flow unit can be removed from the main body of the flowmeter without interrupting the main flow or disturbing the installation, by closing the manual valves.
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