美國ASCO2位3通通用直動式電磁閥，P22BG03

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用在工業(yè)控制系統(tǒng)中調(diào)整介質(zhì)的方向、流量、速度和其他的參數(shù)。

Types 3, 3S, 4, 4X, 6, 6P, 7, and 9; Red-Hat - Explosionproof and Watertight, 

Types 3, 4, 4X, 7, and 9.  See footnote on next page. 

斷電時，先導(dǎo)閥利用彈簧力或介質(zhì)壓力推動關(guān)閉件，向下移動，使閥門關(guān)閉。

 Special AC and DC constructions are available to pilot power plant control valves.

Standard Coil and Class of Insulation

Watt Rating and Power Consumption Spare Coil Part Number

General Purpose Explosionproof

電磁閥可以配合不同的電路來實(shí)現(xiàn)預(yù)期的控制，

Features ?   Designed for high flow and high pressure service. 

?   Direct acting, requires no minimum operating pressure. 

特點(diǎn)：在零壓差或真空、高壓時亦能可*動作，

但功率較大，要求必須水平安裝。

 Red-Hat - Type 1. Optional: Red-Hat II - Explosionproof and Watertight, 

而控制的精度和靈活性都能夠。

 Consult your local ASCO sales office for details.

Valve Parts in Contact with Fluids

 Body Brass 304 Stainless Steel Disc 303 Stainless Steel (Metal), PA or Brass (Resilient) Seats NBR,

(To order, add prefix “EF” to catalog number.) See Optional Features Section for other available options.

電磁閥有很多種，不同的電磁閥在控制系統(tǒng)的不同位置發(fā)揮作用，

VA Inrush AC DC AC DC F - 20.1 43 240 272610 - 272614 H 36.2 28 60 330 

 Phosphor Bronze 303 Stainless Steel Core Tube 305 Stainless Steel Core and Plugnut 430 F Stainless Steel Springs 302 Stainless Steel, 

17-7PH or Iconel Shading Coil Copper Silver Gaskets NBR PTFE

電磁閥（Electromagnetic valve）是用電磁控制的工業(yè)設(shè)備，

是用來控制流體的自動化基礎(chǔ)元件，屬于執(zhí)行器，并不限于液壓、氣動。

222345 222184 222345 222184 H - 16.1 35 180 272810 - 272814 H - 28.2 50 385 224195 

Approvals: CSA certified. Meets applicable CE directives. Refer to Engineering Section for details.

Standard: Red-Hat II - Watertight, Types 1, 2, 3, 3S, 4, and 4X; 

常用的是單向閥、安全閥、方向控制閥、速度調(diào)節(jié)閥等

原理：它是一種直動和先導(dǎo)式相結(jié)合的原理，當(dāng)入口與出口沒有壓差時

?   Ideal for power plants and similar applications.

Direct Acting General Service Solenoid Valves Brass or Stainless Steel Bodies 1/8" to 1/2" NPT

Nominal Ambient Temperature Ranges: Class F Coils AC:  

32?F to 125?F (0?C to 52?C) Class H Coils  AC:  32?F to 140?F (0?C to 59?C) Class H Coils  DC:  

32?F to 77?F (0?C to 25?C) (104?F/40?C occasionally) Refer to Engineering Section for details.，

通電后，電磁力直接把先導(dǎo)小閥和主閥關(guān)閉件依次向上提起，閥門打開。

- 224195 Standard Voltages: 24, 120, 240, 480 volts AC, 60 Hz (or 110, 220 volts AC,

 50 Hz). 6, 12, 24,120, 240 volts DC. Must be specified when ordering. 

Note: 125 and 250 volts DC are battery voltages applied in power plants.

?   Choice of metal seating materials to handle aggressive fluids, or resilient seating for airtight shutoff.

當(dāng)入口與出口達(dá)到啟動壓差時，通電后，電磁力先導(dǎo)小閥，

主閥下腔壓力上升，上腔壓力下降，從而利用壓差把主閥向上推開；、

美國ASCO2位3通通用直動式電磁閥，P22BG03