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ASCO電磁閥在液路系統中用來實現液路的通斷或液流方向的改變，它一般具有一個可以在線圈電磁力驅動下滑動的閥芯，閥芯在不同的位置時，電磁閥的通路也就不同。閥芯的工作位置有幾個，該電磁閥就叫幾位電磁閥：閥體上的接口，也就是電磁閥的通路數，有幾個通路口，該電磁閥就叫幾通電磁閥。 電磁閥安裝后，一般所有接口都應該是連接好了的，所謂工作位置指的是閥芯的位置。閥芯在線圈不通電時處在甲位置，在線圈通電時處在乙位置，閥芯在不同位置時，對各接口起到或接通或封閉的作用。

 電磁閥二位是指電磁閥的閥芯有兩個不同的工作位置（開、關）。 電磁閥二通、三通指電磁閥的閥體上有兩個、三個通道口； 比如二位二通電磁閥是一進一出（二個通道、zui普通常見） 二位三通電磁閥控制液體是一進二出（兩出分別是一個常開一個常閉）；氣動換向電磁閥是一進一出一排氣；液壓一進一出一回油。

S Junction Box
The junction box is used with spade or screw terminal
solenoids only and is provided with a grounding screw and
a 1/2I conduit connection. Connect #12---18 AWG
standard copper wire only to the screw terminals. Within
the junction box use field wire that is rated 90_C or greater
for connections. For steam service use 105_C rated wire up
to 50 psi or use 125_C rated wire above 50 psi. After
electrical hookup, replace cover gasket, cover, and screws.
Tighten screws evenly in a crisscross manner.
S DIN Plug Connector Kit No.K236--- 034
1. The open--- frame solenoid is provided with DIN
terminals to accommodate the DIN plug connector kit.
2. Remove center screw from plug connector. Using a small
screwdriver, pry terminal block from connector cover.
3. Use #12---18 AWG stranded copper wire rated at 90_C
or greater for connections. Strip wire leads back
approximay 1/4Ifor installation in socket terminals.
The use of wire---end sleeves is also recommended for
these socket terminals. Maximum length of wire---end
sleeves to be approximay 1/4I. Tinning of the ends
of the lead wires is not recommended.
4. Thread wire through gland nut, gland gasket, washer,
and connector cover.
NOTE: Connector cover may be rotated in 90_ increments
from position shown for alternate positioning of cable
entry.
5. Check DIN connector terminal block for electrical
markings. Then make electrical hookup to terminal
block according to markings on it. Snap terminal block
into connector cover and install center screw.
6. Position connector gasket on solenoid and install plug
connector. Torque center screw to 5±1 in---lbs [0,6±1,1
Nm].

二通，常閉電磁閥用于水，空氣和中性氣體的自動控制
采用*材料，實驗證明高可靠性
zui小操作壓差：0.3bar
環氧樹脂澆注線圈，可以簡單地從AC轉換到DC