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手動盲板閥系GB6222《工業煤氣安全規程》要求的可靠切斷氣體介質的設備。它廣泛適用于建材、玻璃、礦山、電力、輕工、造紙等行業的氣體介質管路系統中，特別適用于有害、有毒、易燃氣體的切斷，或做管道終端盲板。以縮短檢修時間或方便連接新的管路系統。
This valve is the reliable equipment to cut off gas medium in accord with GB6222 Industry Coal gas Safety Regulation. It is widely used in the pipe system in building material, glass, mining, power, light industry and papermaking departments. It is especially suitable for poison inflammable gas to be cut off or be the terminal blind plate of pipe in order to shorten maintenance time or connect new pipe system.
結構特點：
Structure characteristic:
手動盲板閥具有結構新穎、耐磨損、密封性可靠、操作靈活、安裝方便、維護方便、使用壽命長等優點，帶有管道伸縮器，能在切換閥板時不影響管道設施。特別適用于要求快速切斷及換向的場合。配用旋轉連接軸螺旋副或蝸輪傳動裝置，可實現啟閉操作，是切換密閉的理想設備。
The valve has the features of compact structure, endurance, reliable seal, flexible operation, easy to maintenance and long life. It can switch valve disc with pipe expansion, which will not affect pipe device. It is suitable in the condition of adjusting, cutting off and self-protecting quickly. The valve is used with rotating connecting axle screw or worm gear driving to form a complete set to realize open-close operation. It is the ideal equipment of switching seal.
性能參數：
Performance parameter:
|
公稱壓力Nominal pressure (MPa) |
0.05 |
|
密封試驗壓力Seal test pressure(MPa) |
0.055 |
|
強度試驗壓Strength test pressure(MPa) |
0.075 |
|
適用溫度Suitable temperature |
-10℃ -120℃ |
|
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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