Advantages of orifice flowmeter:
1.The most widely used orifice flowmeter has a firm structure, stable and reliable performance, and long service life;
2. The detection parts, transmitters, and display instruments are produced by different manufacturers, which is convenient for scale economy production.
Disadvantages of orifice flowmeter:
1.The measurement accuracy is low;
2.The range ratio is small, generally only 1:3~1:5;
3.High on-site installation requirements;
4.The pressure loss is large.
5.Insulation is required in winter, which is easy to freeze.