Pneumatic diaphragm sleeve control valve is a type pressure balanced control valve, equipped with multi springs actuator, having compact structure, light weight, good reliability. The valve has S-pattern channel, less pressure losses. It is widely utilized to control pressure, flow, temperature, liquid level of gas, liquid, steam precisely. Pneumatic diaphragm sleeve control valve is suitable for the occasion which requires large flow and differential pressure.
Characteristics of pneumatic diaphragm sleeve control valve
1. Adopting balanced core, having low axial direction balance force and good reliability.
2. Sleeve has good interconvertibility for convenient maintenance.
3. Metal core is suitable for different occasions.
Materials
Body/bonnet |
HT200, ZG230-450, ZG1Cr18Ni9Ti |
Core/seat |
1Cr18Ni9Ti, stellite alloy |
Packing |
PTFE, flexible graphite |
Bellows |
1Cr18Ni9Ti |
Gasket |
Rubber |
Cap |
A3 |
Spring |
60SIMN |
Sten/push rod |
2Cr13, 1Cr18Ni9Ti |
Sleeve |
2Cr13 |
Dimension
Nominal Diameter DN(mm) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
φC |
282 |
308 |
394 |
494 |
|||||||
L |
150 |
160 |
180 |
200 |
230 |
290 |
310 |
350 |
400 |
480 |
600 |
H1 |
52.5 |
57.5 |
70 |
75 |
82.5 |
92.5 |
100 |
117.5 |
135 |
150 |
187.5 |
H2 |
499 |
511 |
560 |
617 |
620 |
710 |
767 |
792.5 |
807 |
1057.5 |
1087.5 |
Source: https://www.chinavalvesflange.com/pneumatic-diaphragm-sleeve-control-valve-bellows.html
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