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جزئیات محصول:
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| برجسته: | ,,power plant valves |
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DN20- DN400 Pneumatic Power Station Valve , Double-Seat Adjusting Valve
pneumatic double-seat adjusting valve
ZXP pneumatic single-seat adjusting valve, ZXN pneumatic double-seat adjusting valve, ZXM pneumatic sleeve adjusting valve are the important products of pneumatic adjusting valve, use top-guide structure, equipped with multi-spring actuator. Impact structure, light weight, flexible action, S-type streamline channel, small loss of pressure drop, large capacity, precise flow characteristics, convenient assembly. Widely used for controlling gas, liquid, processing parameters, like pressure, flow, temperature, liquid, keep them at the given value. This series of product contain standard, adjusting cut-off, bellows sealing, jacket insulation; nominal pressure: PN10,16,40,64; nominal diameter: DN20~400, fluid temperature: -200℃~560℃; leakage level: IV level or VI level; flow characteristics: linear or equal percentage
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Nominal diameter mm |
20 |
25 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
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Diameter of valve seat mm |
10 |
12 |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
Contact us |
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Rated flow coefficient Kv |
Straight line |
1.8 |
2.8 |
4.4 |
6.9 |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
440 |
690 |
1000 |
1600 |
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Equal percentage |
1.6 |
2.5 |
4 |
6.3 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
900 |
1440 |
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Nominal pressure MPa |
0.61.64.06.4 |
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Travel mm |
10 |
16 |
25 |
40 |
60 |
100 |
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Flow characteristics |
Straight line,equal percentage ,quick open |
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Media temperature ℃ |
-15～200(normal temperature ),-40～+250,-40～+450(medium temperature ),-100～+200(low temperature ) |
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Flange size |
Cast iron flange size JB78,cast steel flange size JB79 |
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Flange size |
Sealing surface of flange JB77,cast iron flange is smooth, cast steel flange is concave |
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Material of valve body |
PN |
0.6,1.6 |
HT200,WCB(ZG230-450) |
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4.0,6.4 |
WCB(ZG230-450),ZG1Cr18Ni9Ti,ZG0Cr18Ni12Mo2Ti |
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Material of valve spool |
1Cr18Ni9,0Cr18Ni12Mo2Ti |
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Upper cover |
General (normal temperature ),heat sink(medium temperature),low temperature |
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Adjustable ratio R |
50:1 |
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Connector of air supply |
M16×1.5 |
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