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What are the corresponding data for different nominal diameters of vortex flowmeters?
The nominal diameter of vortex flowmeters varies, and the corresponding size data is also different. Moreover, products from different manufacturers may have certain differences in specific dimensions. Taking the common pipeline vortex flowmeter as an example, with a nominal diameter of DN25, its length is generally about 150mm, and the flange outer diameter is about 115mm; The chain block with a nominal diameter of DN50 has a length of about 200mm and a flange outer diameter of about 165mm; the chain block with a nominal diameter of DN80 has a length of about 250mm and a flange outer diameter of about 200mm; the chain block with a nominal diameter of DN100 has a length of about 300mm and a flange outer diameter of about 220mm; the chain block with a nominal diameter of DN150 has a length of about 350mm and a flange outer diameter of about 285mm; the chain block with a nominal diameter of DN200 has a length of about 400mm and a flange outer diameter of about 340mm. These are only approximate reference data. When selecting a vortex flowmeter for physical rubber, it is necessary to consult the manufacturer based on the specific product manual or Peng Mazhi to obtain accurate dimensional information and ensure correct installation and use.
2. How to choose a vortex flowmeter under pressure conditions
The core parameters for choosing a vortex flowmeter under pressure conditions are that the pressure resistance level must be ≥ 1.5 times the working pressure, and the 316L stainless steel shell is preferred when the medium temperature is ≤ 350 ℃.
. 1. Selection of pressure resistance parameters - nominal pressure
There are various specifications for vortex flowmeters, and the size of the same specification air flow meter produced by different manufacturers may also vary.. Generally speaking, a DN15 caliber vortex flowmeter has a length of about 150mm and an outer diameter of about 108mm; a DN20 caliber flowmeter has a length of about 150mm and an outer diameter of about 133mm; DN25 caliber has a length of around 160mm and an outer diameter of 159mm; DN32 caliber has a length of about 180mm and an outer diameter of 194mm; DN40 caliber has a length of about 200mm and an outer diameter of 219mm; DN50 caliber has a length of 230mm and an outer diameter of 273mm; DN80 caliber has a length of 310mm and an outer diameter of 325mm; DN100 caliber has a length of 350mm and an outer diameter of 377mm; DN150