Electric through way double-seat control valve is one of important links in automatic control system, consisting of electric actuator and double-seat control valve. The valve uses power source as its power, receiving standard signal, transferring input signal into correspondent displacement, controlling valve automatically and changing opening of valve so that realize auto control for flow, pressure, temperature and hydraulic pressure of medium. Electric through way double-seat control valve is widely utilized in chemical industry, petroleum, metallurgy, electricity, light texture.
Nominal pressure: DN20-400
Nominal pressure: ANSI 150, 300,600Lb
Materials
|
Body/bonnet |
WCB, HT200, ZG230-450, ZG1Cr18Ni9Ti , |
|
Core/seat |
1Cr18Ni9Ti, stellite alloy |
|
Packing |
PTFE, flexible graphite |
|
Stem/pushrod |
1Cr18Ni9Ti, 2Cr13 |
|
Gasket |
1Cr18Ni9Ti, rubber |
|
Lining |
2Cr13 |
Dimensions
|
|
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
|
Flange distance |
150Lb |
180 |
185 |
200 |
220 |
250 |
275 |
305 |
350 |
410 |
450 |
550 |
670 |
770 |
|
300Lb |
190 |
190 |
210 |
230 |
255 |
285 |
310 |
355 |
425 |
460 |
560 |
690 |
785 |
|
|
600Lb |
190 |
205 |
220 |
240 |
265 |
295 |
325 |
370 |
440 |
475 |
570 |
752 |
819 |
|
|
H2 |
91 |
112 |
118 |
129 |
144 |
173 |
191 |
195 |
243 |
251 |
290 |
380 |
436 |
|
|
H1 |
460 |
530 |
630 |
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