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??? 可分開用，也適用于為前級泵。 ??? can be used alone, and also can be used as prepump. ??? 可以使用于正空冶煉、正空焊接方法、正空混凝土澆筑、正空缺水、礦業制藥企業、電正空器材等工業品。 ??? Can be use in the indusries such as vacuum metallurgy, vacuum welding, vacuum casting, vacuum drying, chemical and pharma ceutical, electric vacuum devices. ??? 可在壞境溫度5°C-40°C區域內和進囗的壓強超過1330Pa的生活條件下，能夠長日期連著工作任務。 ??? Long continuous work is enabled under the conditions of environmental temperature 5°c-40°c and inlet pressure less then 1330 Pa. ??? 無法抽除含氧過高、有害的、有爆款性的、有腐燭性的、對泵油起化學式發生反應的、包含粉末塵煙的氣味，也無法用作接入泵運用。 ??? Can not be used to extract high oxygen, toxic, explosive, corrosive, chemical reaction responding to pump oil and dust contained gases or used as delivery pump. ??? 在6650Pa到臭氧層壓的進口的壓強下重復做工作的時間，不宜超越3min ??? The time of continuous work under the inlet pressure of 6650Pa to high atmospheric pressure can be no more than 3 minutes.??主要數據與規格/Main specifications:
| 參數 Model | 2X-4C | 2X-8 | 2X-15 | 2X-30A | 2X-70A | |
| 抽氣頻率 (L/S) | 4 | 8 | 15 | 30 | 70 | |
| 超凡負壓 (≤Pa) | 氣鎮關 With gas ballast | 6x10ˉ2 | ||||
| 氣鎮開 Without gas ballast | 6x10ˉ1 | 1.33 | ||||
| 三相異步電機效率 (kw) | 0.55 | 1.1 | 2.2 | 3 | 5.5 | |
| 進氣口孔徑 (mm) | KF25 | DN40 | DN40 | DN65 | DN80 | |
| 電機轉速 (r/min) | 420 | 320 | 450 | 420 | ||
| 泵溫度升高 (≤°C) | 40 | |||||
| 用油表 (L) | 1 | 2 | 2.8 | 2 | 4.2 | |
| 風噪 (≤dB) | 75 | 78 | 80 | 82 | 86 | |
| 重量體積 (kg) | 59 | 158 | 202 | 236 | 338 | |
| 尺寸 (cm) | 49x31x41 | 79x43x54 | 79x53x54 | 78x50x56 | 91x65x70 | |
??應用/Application:
??? 可單個食用，也可用為前級泵。 ??? can be used alone, and also can be used as prepump. ??? 都可以于負壓冶煉、負壓不銹鋼焊接、負壓低壓鑄造、負壓變干、化工機械生物制藥、電負壓集成電路芯片等產業。 ??? Can be use in the indusries such as vacuum metallurgy, vacuum welding, vacuum casting, vacuum drying, chemical and pharma ceutical, electric vacuum devices. ??? 可在室內環境室溫5°C-40°C範圍內和進口報關壓強值為1330Pa的環境下，同意長耗時不間斷本職工作。 ??? Long continuous work is enabled under the conditions of environmental temperature 5°c-40°c and inlet pressure less then 1330 Pa. ??? 不允許抽除含氧過高、劇毒的、有爆出性的、有灼傷性的、對泵油起電學發應的、含有科粒塵灰的固體，并不允許用作傳導泵用。 ??? Can not be used to extract high oxygen, toxic, explosive, corrosive, chemical reaction responding to pump oil and dust contained gases or used as delivery pump. ??? 在6650Pa到時尚壓的德國壓強下間隔工作上期限，不可以高出3min ??? The time of continuous work under the inlet pressure of 6650Pa to high atmospheric pressure can be no more than 3 minutes.??主要數據與規格/Main specifications:
| 規格型號 Model | 2X-4C | 2X-8 | 2X-15 | 2X-30A | 2X-70A | |
| 抽氣頻率 (L/S) | 4 | 8 | 15 | 30 | 70 | |
| 極限重壓 (≤Pa) | 氣鎮關 With gas ballast | 6x10ˉ2 | ||||
| 氣鎮開 Without gas ballast | 6x10ˉ1 | 1.33 | ||||
| 同步電機馬力 (kw) | 0.55 | 1.1 | 2.2 | 3 | 5.5 | |
| 進氣口直徑 (mm) | KF25 | DN40 | DN40 | DN65 | DN80 | |
| 發動機轉速 (r/min) | 420 | 320 | 450 | 420 | ||
| 泵溫度上升 (≤°C) | 40 | |||||
| 用剩余油量 (L) | 1 | 2 | 2.8 | 2 | 4.2 | |
| 噪音污染 (≤dB) | 75 | 78 | 80 | 82 | 86 | |
| 載重量 (kg) | 59 | 158 | 202 | 236 | 338 | |
| 外形尺寸 (cm) | 49x31x41 | 79x43x54 | 79x53x54 | 78x50x56 | 91x65x70 | |
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