DDC-JQ電磁真空帶充氣閥 DDC-JQ型電磁真空帶充氣閥是機(jī)械真空泵安全閥，安裝于機(jī)械真空泵的進(jìn)氣口，并與泵同步開啟和關(guān)閉。當(dāng)泵停止工作或電源突然中斷時，閥門自動關(guān)閉。使真空系統(tǒng)保持真空并將大氣充入泵腔內(nèi)，從而避免泵油逆向流動而污染真空系統(tǒng)。適用介質(zhì)為純凈空氣和非腐蝕性氣體。 ■ DDC-JQElectro-vacuum Charging Valve ■ DDC-JQ electro-vacuum charging valve is a safety valve for vacuum, pump. It is mounted at the intake nozzle of vacuum pump, synchronously opened and closed with the vacuum pump. In case that vacuum pump stops working or power supply is suddenly broken off, valve will be cosed automatically to keep the vacuum system vacuum and the air charged into the cavity of vacuum pump, thus to prevent pump oil from reverse flow that can pollute the vacuum system. Applicable medium can be pure air and noncorrosive gases. ■ 主要技術(shù)性能Main Technical Performance ■■■ 　適用范圍：Applicability 　105～10-2Pa 　閥門漏率：Valve Leak Rate 　≤6.7×10-3Pa.L/S. 　適用溫度：Applicability 　-30～+50℃ 　線圍溫升：Coil Temperature Rise 　≤65℃ 　開閉時間：Open-close Time 　≤3S 　電源電壓：Mains Voltage 　220V/50Hz ■ 主要零件材料Materials of Main Parts ■■ 閥體、閥蓋、閥板：碳鋼或鋁合金密封圈：丁腈橡膠Body, bonnet and disc: carbon steel or aluminium alloySeal ring: NBR CONSTRUCTION FIGHTS(mm) ■ 外形及連接尺寸(mm)(JB919)Overall and Connection Dimensions(mm) Model型號 DN h B H D Do D1 n-d Machineal pump機(jī)械泵匹配參考 DDC-JQ16 16 28 48 176 68 42 22 4-M5 2XZ-0.5～1 DDC-JQ25 25 35 58 199 82 55 29 4-M6 2XZ-2～4 DDC-JQ32 32 40 68 222 92 64 36 4-M6 2XZ-4 DDC-JQ40 40 44 80 253 110 70 44 4-M6 2XZ-8 DDC-JQ50 50 56 94 294 124 90 55 4-M8 2X-15 DDC-JQ65 65 65 115 320 135 105 70 4-M8 2X-30 DDC-JQ80 80 75 140 367 165 125 85 4-M8 2X-70 ----------------------------------------------------------------------------------------------------------------------------------------------------------------相關(guān)真空閥產(chǎn)品系列:CCD電動超高真空插板閥 GUQ型－氣動高真空(壓力)球閥 GUD電動真空球閥 GU手動真空球閥 GIQ型－氣動高真空蝶閥 GID電動高真空蝶閥 GI高真空蝶閥 GDQ氣動高真空擋板閥 GDC-J電磁高真空擋板閥GDC-5 電磁高真空擋板閥 GUD系列電動真空球閥 CCQ 氣動超高真空插板閥CC超高真空插板閥 DYC-JQ電磁真空壓差閥 DDC-JQ電磁真空帶充氣閥GM高真空壓力隔膜閥 真空管道連接件 GD高真空擋板閥