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防爆壓差開(kāi)關(guān)的符號(hào)表示

防爆壓差開(kāi)關(guān)的符號(hào)表示

防爆壓差開(kāi)關(guān)的符號(hào)表示

詳細(xì)介紹

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防爆壓差開(kāi)關(guān)的符號(hào)表示
防爆壓差開(kāi)關(guān)是一種重要的防爆電器,通常用于工業(yè)環(huán)境中,防止爆炸性氣體和微小氣體混合物的形成。這種開(kāi)關(guān)的一個(gè)重要特征是其防爆符號(hào),下面我們來(lái)詳細(xì)了解一下。
防爆壓差開(kāi)關(guān)的防爆符號(hào)為一個(gè)“隔爆型”(也可稱為“充砂式”、“充油式”)等字母組合,其中“隔爆”代表防爆類型,“型”表示結(jié)構(gòu)型式,“X”表示符合防爆標(biāo)準(zhǔn)。根據(jù)不同的防爆標(biāo)準(zhǔn),隔爆型壓差開(kāi)關(guān)可以分為不同的形式,例如,增安型、正壓型、充砂型等。
在防爆符號(hào)中,“隔爆”之外還有三個(gè)小圓圈,它們分別表示內(nèi)部空間、外部引線和接線座。內(nèi)部空間用于隔離爆炸性氣體,保護(hù)內(nèi)部部件;外部引線則用于連接壓差開(kāi)關(guān)至設(shè)備或管道;接線座則用于將各種引線和開(kāi)關(guān)連接起來(lái)。

了解了防爆壓差開(kāi)關(guān)的防爆符號(hào)后,大家在選購(gòu)和使用時(shí)就可以更加明確其適用場(chǎng)合和安全要求了。

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Symbolic representation of explosion-proof differential pressure switches

Explosion proof differential pressure switch is an important explosion-proof electrical appliance, usually used in industrial environments to prevent the formation of explosive gases and small gas mixtures. An important feature of this type of switch is its explosion-proof symbol. Let's take a detailed look below.

The explosion-proof symbol of the explosion-proof differential pressure switch is a combination of letters such as "explosion-proof" (also known as "sand filled" or "oil filled"), where "explosion-proof" represents the explosion-proof type, "type" represents the structural type, and "X" represents compliance with explosion-proof standards. According to different explosion-proof standards, explosion-proof differential pressure switches can be divided into different forms, such as increased safety type, positive pressure type, sand filled type, etc.

In the explosion-proof symbol, there are three small circles in addition to "explosion-proof", which respectively represent the internal space, external leads, and wiring base. Internal space is used to isolate explosive gases and protect internal components; External leads are used to connect differential pressure switches to equipment or pipelines; The wiring base is used to connect various leads and switches together.

After understanding the explosion-proof symbols of explosion-proof differential pressure switches, everyone can have a clearer understanding of their applicable occasions and safety requirements when purchasing and using them.



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