Pneumatic valve control classification < / div >

there are many types of pneumatic control valve. With all kinds of complete sets of equipment technological process and the continuous improvement of performance, control the types of pneumatic valve is growing, and there are a variety of classification method. A

1, according to the drive mode classification. Manual control pneumatic valve
2. Electric control pneumatic valve
3. Pneumatic control pneumatic valve
4. Self-reliance type control pneumatic valve

2, according to the classification of nominal diameter
1. Small diameter control pneumatic valve DN 40
2 or less. The diameter control pneumatic valve (~ 300
3. Large diameter control pneumatic valve DN 350 or

3, according to the classification of nominal pressure
1. Vacuum pneumatic control valve working pressure is lower than standard atmosphere
2. Low voltage control pneumatic valve PN 1 or less. 6MPa
3. Medium voltage control pneumatic valve PN2. 5 ~ 6. 4MPa
4. High pressure pneumatic control valve PN10 ~ 80 mpa
5. Ultrahigh pressure control pneumatic valve PN > 80 mpa four, according to the work of medium temperature classification
1. T > 450 ℃ high temperature control pneumatic valve
2. Temperature control pneumatic valve in 120 ℃ or less t 450 ℃ or less
3. Room temperature control pneumatic valve 29 ℃ or less t 120 ℃ or less
4. The control pneumatic valve - at low temperature 100℃≤t≤- 29℃
5。 Ultra-low temperature control pneumatic valve t < - 100 ℃ five, according to the pneumatic valve body material classification
1.
2.
3.

6, according to the connection mode classification
1. Flange connection control pneumatic valve
2. Threaded connection control pneumatic valve
3. Welding connection control pneumatic valve
4. Clip connection control pneumatic valve
5. Card sets of connection control pneumatic valve

7, according to the purpose and function classification
1. Flow automatic adjustment control pneumatic valve
2. Liquid level automatic control of pneumatic control valve
3. Pressure automatic adjustment of control pneumatic valve
4. Temperature automatic adjustment control pneumatic valve 8, according to the mobile type classification of
1. Straight stroke control pneumatic valve
2. Angle of stroke control pneumatic valve 9, according to the regulation pattern classification
1. External regulation
2. Cut off the
3. Adjust cutting off

10, according to the flow characteristic classification
1. Straight line
2. Equal percentage
3. Parabolic
4. Quick opening
11, according to the pneumatic valve cover type classification
1. Standard ( Ordinary)
2。 Cooling type
3.
4 long neck type. Bellows seal type

12, according to the pneumatic valve core shape classification:
1. Flat pneumatic valve core
2. Plunger type pneumatic valve core
3. Window type pneumatic valve core
4. Sleeve type pneumatic valve core
5. Multistage type pneumatic valve core
6.
7 deflection type pneumatic valve core.
8 butterfly pneumatic valve core. The spherical pneumatic valve core