The large-diameter throttling device is mainly used for the detection of high and low pressure warm water, heat network system and chemical water treatment system in electric power, petroleum and chemical industry.

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Extra large diameter venturi likes：52

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Air flow measuringlikes：14

Wing Profile type airlikes：5

Anti-blocking Wind-pressure Samplerview：536

Multilayer section combined wind measuring deviceview：481

Balanced flowmeterview：356

Jacket-hoisted Reaction Kettleview：352