Imported pneumatic temperature regulating valve
The imported pneumatic temperature control system consists of pneumatic regulating valves, temperature transmitters, and temperature regulators, which can achieve fully automatic control of tank temperature in modern industrial processes. It has the characteristics of easy installation, fast response, high control accuracy, convenient setting, and reliable performance. Widely applicable to industries such as chemical, food, biomedicine, environmental protection, metallurgy, water supply and drainage, papermaking, and electricity.
2、 Working principle of pneumatic temperature control system
A feedback control system that uses temperature as the controlled variable. In the physical processes and chemical reactions of chemical, petroleum, metallurgical and other production processes, temperature is often an important quantity that needs to be accurately controlled. In addition to these departments, temperature control systems are widely used in other fields and are a type of industrial control system with a wide range of applications. Temperature control systems are commonly used to maintain a constant temperature or to cause the temperature to change according to a specified program.
3、 Technical parameters of electric control valve for pneumatic temperature control system
Nominal Diameter(DN) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
Valve seat diameter(dn) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
rated flow coefficient(KV) |
Single seat |
6.9 |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
440 |
630 |
875 |
1250 |
sleeve |
6.3 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
360 |
570 |
850 |
1180 |
|
Allowable pressure difference(MPa) |
Single seat |
3.8 |
3.2 |
3.0 |
2.0 |
1.8 |
1.5 |
1.4 |
1.0 |
0,7 |
0.6 |
0.5 |
0.3 |
0.1 |
sleeve |
6.4 |
6.4 |
5.2 |
5.2 |
4.6 |
4.6 |
3.7 |
3.7 |
3.5 |
3.1 |
3.1 |
2.6 |