??應用/Application:

??? 可分次安全使用，也適用于為前級泵。 ??? can be used alone, and also can be used as prepump. ??? 可以選擇于進口機械泵環境箱冶煉、進口機械泵環境箱激光焊接、進口機械泵環境箱澆筑、進口機械泵環境箱干燥的、醫藥化工醫藥化工、電進口機械泵環境箱元件等工業化的。 ??? Can be use in the indusries such as vacuum metallurgy, vacuum welding, vacuum casting, vacuum drying, chemical and pharmaceutical, electric vacuum devices. ??? 可在區域溫差5°C-40°C領域內和出口壓強超過1330Pa的前提下，能接受長的時間重復任務。 ??? Long continuous work is enabled under the conditions of environmental temperature 5°c-40°c and inlet pressure less then 1330 Pa. ??? 不可能抽除含氧過高、無毒的、有著火性的、有防酸性的、對泵油起檢查是否體現的、有效顆粒塵土的汽體，又不可能夠作數據傳輸泵運行。 ??? 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到層結壓的進口量壓強下連續不斷辦公時間間隔，不得當低于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:

型號規格 Model		2X-4C	2X-8	2X-15	2X-30A	2X-70A
抽氣強度 (L/S)		4	8	15	30	70
極限點水壓 (≤Pa)	氣鎮關 With gas ballast	6x10ˉ2
	氣鎮開 Without gas ballast	6x10ˉ1			1.33
高壓電機工作效率 (kw)		0.55	1.1	2.2	3	5.5
進氣口管 (mm)		KF25	DN40	DN40	DN65	DN80
轉動速度 (r/min)		420	320		450	420
泵升溫 (≤°C)		40
用剩余油量 (L)		1	2	2.8	2	4.2
低頻噪音 (≤dB)		75	78	80	82	86
載重量 (kg)		59	158	202	236	338
面積 (cm)		49x31x41	79x43x54	79x53x54	78x50x56	91x65x70