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進(jìn)口防爆電磁閥技術(shù)參數(shù)及工作原理

進(jìn)口防爆電磁閥產(chǎn)品特點(diǎn)（Imported electromagnetic valve features）

外觀精美；活塞結(jié)構(gòu)；性能穩(wěn)定；專制線圈，不易燒毀；最適應(yīng)在爆炸危險(xiǎn)場(chǎng)所使用。

Exquisite appearance; the piston structure; stable performance; absolute coil, is not easy to be burned; the adaptation in the explosion hazardous area using.

進(jìn)口防爆電磁閥應(yīng)用范圍（Imported electromagnetic valve application）

軍工、核工業(yè)、船舶重工、石化、電力、化學(xué)、輕工、機(jī)械、科研、燃?xì)夤芫W(wǎng)、工業(yè)窯爐、管道介質(zhì)自動(dòng)化控制等領(lǐng)域。

Military industry, nuclear industry, shipbuilding, petrochemical, power, chemical, light industry, machinery, scientific research, industrial furnace, gas pipeline, pipeline medium automation control field.

進(jìn)口防爆電磁閥技術(shù)參數(shù)（Imported electromagnetic valve technical parameters）

產(chǎn)品規(guī)格：DN1~DN500
閥體材質(zhì)：鑄鐵、不銹鋼（304、316）
溫度范圍：-100~+450℃
適用介質(zhì)：易燃易爆液體或氣體
防護(hù)性能：防水、防腐、防爆（Exd IICT5）
控制方式：常開(kāi)、常閉
電源電壓：AC（380、240、220、24）V、DC（110、24）V
連接方式：螺紋、法蘭

泄漏量：零

Product specifications: DN1~DN500

Body material: cast iron, stainless steel ( 304, 316)

Temperature range: -100~+450℃

Applicable medium: flammable liquids or gases

Protective performance of waterproof, anti-corrosion, explosion-proof: ( Exd IICT5 )

Control mode: normally open, normally closed

Power supply voltage: AC ( 380, 240, 220, 24) V, DC ( 110, 24) V

Connection: thread, flange

Leakage: Zero

進(jìn)口防爆電磁閥工作原理（Imported electromagnetic valve working principle）

常閉：當(dāng)線圈通電時(shí)，先導(dǎo)閥芯吸合，先導(dǎo)孔打開(kāi)，閥上腔卸壓，活塞靠下腔介質(zhì)壓力推動(dòng)，電磁閥打開(kāi)。
當(dāng)線圈斷電時(shí)，先導(dǎo)閥芯靠彈簧復(fù)位，先導(dǎo)孔關(guān)閉，閥上腔由活塞節(jié)流孔增壓和復(fù)位彈簧的推力，電磁閥關(guān)閉。

常開(kāi)：當(dāng)線圈通電時(shí)，先導(dǎo)閥芯靠彈簧復(fù)位，先導(dǎo)孔關(guān)閉，閥上腔由活塞節(jié)流孔增壓和復(fù)位彈簧的推力，電磁閥關(guān)閉。
當(dāng)線圈斷電時(shí)，先導(dǎo)閥芯靠彈簧復(fù)位，先導(dǎo)孔打開(kāi)，閥上腔卸壓，活塞靠下腔介質(zhì)壓力推動(dòng)，電磁閥打開(kāi)。

Normally closed: when the coil is energized, the pilot valve is open, pilot hole, cavity pressure relief valve on the piston cavity, rely on medium pressure to promote, the solenoid valve opens.

When the coil is de-energized, the pilot valve core by the reset spring, the pilot hole is closed by the piston, valve chamber orifice pressurizing and reset spring thrust, the electromagnetic valve is closed.

Normally open: when the coil is energized, the pilot valve core by the reset spring, the pilot hole is closed by the piston, valve chamber orifice pressurizing and reset spring thrust, the electromagnetic valve is closed.

When the coil is de-energized, the pilot valve core by the reset spring, the pilot hole is opened, the valve cavity pressure relief, pressure to push the piston cavity medium, the solenoid valve opens.

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