進口帶信號反饋電磁閥 Imports with signal feedback solenoid valve
一、結構原理 First, the structural principle
常開型—在工作狀態中電磁閥處于開啟狀態，線圈不帶電，當發生燃氣泄露時，電磁閥瞬間通電切斷氣源，但必須在險情排除后，由人工打開電磁閥。常閉型—在工作狀態中電磁閥處于開啟狀態，線圈處于帶電狀態，將信號線輸入DC24V電源信號（綜色為+；藍色為—），信號燈不亮，閥門處于開啟狀態。當發生燃氣泄露時，電磁閥瞬間斷電切斷氣源，此時，信號燈亮，黑色（+）與棕色（—）線將輸出一個DC24V電源信號。開啟時，先將手動裝置提到位（提不動為止），再通上電源,再放手即可。缺點為停電情況時電磁閥不能打開。
Structural principle normally open type - in working condition, the solenoid valve is open, the coil is not charged when a gas leak occurs, the solenoid valve is energized momentarily cut off the gas source, but must be in danger is removed by hand to open the solenoid valve. Normally closed solenoid valve is turned on - in working condition, the coil in a charged state, the signal line input DC24V power signal （the Brown +; blue -）, the signal light is not lit, the valve is open. When a gas leak occurs, the solenoid valve instant power failure cut off the gas source, the signal light, black （+） and brown （-） cable to a DC24V power output signal. Open, first mentioned in the manual device a bit （not to mention it stops）, and then pass on the power supply, you can let go. Disadvantage of the solenoid valve can not be opened for the power outage situation.
二、進口帶信號反饋電磁閥參數: Imports with signal feedback solenoid valve parameters
原理結構 直動式，分步直動式
Direct-acting principle structure, step-by-step direct acting
流體介質 天然氣、石油液化氣、瓦斯、沼氣、煤氣等易燃易爆介質
Fluid medium, natural gas, liquefied petroleum gas, natural gas, biogas, gas and other flammable media
線圈工作溫度 <+85℃介質溫度 <-40℃、<+60℃、<+120℃
Coil Operating temperature <85 ° C medium temperature <-40 ° C, <+60 ° C, <+120 ° C
控制方式 常開（通電關閉，手動打開）；常閉（斷電關閉，手動加通電打開
Control is normally open （power off）; manually open and normally closed （power off, manual power open）
公稱壓力 0-1MPa Nominal pressure 0-1MPa
標準電壓 AC220V、DC24V、DC12V Standard voltage AC220V, DC24V, DC12V
線圈連接方式 防爆罩三芯護套電纜引線式、插頭式
The coil connections Explosion-proof cover three core sheathed cable lead type, plug type
密封件性能 耐溫、耐壓、耐磨、防腐
The seal performance temperature, pressure, wear-resistant, corrosion
連接方式 法蘭、螺紋、焊接 Connection flanges, threaded, welded
密封方式 平面與錐平面密封 The seal way plane with the cone flat sealing
三、進口帶信號反饋電磁閥安裝保養 The imports with signal feedback solenoid valve installation and maintenance
1、安裝時電磁閥線圈向上，并保持垂直位置，電磁閥上箭頭應與管道流向*。
installation solenoid valve coil upward, and maintain the vertical position, the arrow on the solenoid valve should be consistent flow and pipeline.
2、電磁閥應保證在電源電壓為額定電壓的15%-10%波動范圍內正常工作。
the solenoid valve should ensure that the normal fluctuations in the range of 15% -10% of the rated voltage of the power supply voltage.
3、電磁閥的工作介質應清潔無雜質，電磁閥內件及過濾器，需定期清潔干凈。
the working medium of the solenoid valve should be clean and free of impurities, solenoid valve parts and filters, need to be regularly cleaned.
4、在電磁閥發生故障時，為了保證系統正常運行，安裝旁路裝置
when the solenoid valve failure, in order to ensure the normal operation of the system, it is best to install a bypass device
5、管道必須清洗干凈。建議在閥前安裝過濾器，蒸汽管道安裝疏水閥。
the pipeline must be cleaned. Proposed filter installed in the front of the valve, steam pipes installed traps.
6、不能將閥安裝在管道的低凹處，以免因蒸汽冷凝水沉淀在閥內而防礙動作。
not the valve installed in the low cavity of the pipe, so as not to hinder action of steam condensate is precipitated in the valve.
7、管道中不得有反向壓差。并需通電數次，使之適溫后方可正式投入使用。
the pipe must not reverse the pressure difference. And be energized several times, so that optimum temperature before officially put into use.
8、在管路剛性不足情況下，建議把閥前管道固定，以免電磁閥工作時引起振動。
in rigid piping insufficient case, it is recommended that the valve before the pipe is fixed, so as not to cause vibration when the solenoid valve work.
9、在安裝前，請認真閱讀使用說明書，判斷產品是否符合使用條件。
before installation, carefully read the instruction manual to determine whether the products comply with the conditions of use.
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