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高性能密閉蝶閥，普遍適用于建材、玻璃、礦山、電力、輕工、造紙等行業的通風、環保工程等管道系統中。對管道中氣體介質按不同控制信號調節流量大小和切斷。
This valve is widely used in the pipe system such as venting and environment protection in building material, glass, mining, power, light industry and papermaking departments. It can change the flow and cut off gas medium in the pipe by the different control signal.
結構特點：
Structure characteristic:
高性能密閉蝶閥具有重量輕、結構緊湊、耐磨損、流阻損失小、工作壓力高、密封壓差大、操作靈活、指示方位明確、維護方便、使用壽命長等優點?？扇我饨嵌劝惭b，特別適用于調節切斷和要求快速自保的場合。配用DKJ、ZKJ、伯納德等電動執行器及有關配件，可實現手動、自動無干擾切換，微機程控、自動控制或中央集中控制，是實現自動化控制操作、調節流量的理想設備。
The valve has the features of lightweight, compact structure, endurance, little in the lost of flow resistance, high working pressure, flexible operation, definite direction, easy to maintenance and long life. It can be installed at any angle. It is suitable in the condition of adjusting, cutting off and self-protecting quickly. The valve is used with DKJ, ZKJ, Bernard electric actuator and other accessory to form a complete set to realize manual and automatic exchange without interference, micro-computer long-range control, automatic control or center concentrating control. It is the ideal equipment of realizing operation of automatic control and adjusting flow.
性能參數：
Performance parameter:
|
公稱壓力Nominal pressure (MPa) |
0.25 |
0.6 |
1.0 |
1.6 |
2.5 |
|
|
密封試驗壓力Seal test pressure (MPa) |
0.275 |
0.66 |
1.1 |
1.76 |
2.75 |
|
|
強度試驗壓力Strength test pressure (MPa) |
0.375 |
0.9 |
1.5 |
2.4 |
3.75 |
|
|
適用溫度Suitable temperature |
-10℃ -120℃軟密封Soft sealing |
-10℃ -300℃硬密封Hard sealing |
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使用介質Suitable medium |
空氣、煙氣、粉塵氣體等 Air, smoke, gas with powder etc |
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