<!-- .at_3{FONT-SIZE: 14pt; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA} .at_1{FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'} .at_2{FONT-SIZE: 14pt} .at_7{FONT-SIZE: 14pt; FONT-FAMILY: 宋体} .at_0{MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 25pt; mso-line-height-rule: exactly} .at_5{FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA} .at_6{mso-bidi-font-weight: normal} .at_4{mso-spacerun: yes} .at_8{FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA} .at_3{FONT-SIZE: 14pt; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA} .at_1{FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'} .at_2{FONT-SIZE: 14pt} .at_5{FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'} .at_0{MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 25pt; mso-line-height-rule: exactly} .at_4{mso-spacerun: yes} -->本产品主要用于抽吸不含固体颗粒，不溶于水，并且无腐蚀作用的气体。它通过水环的作用使被抽的密封系统产生负压，从而起到真空过滤，真空干燥，真空脱水，真空萃取，真空引水等功用。 本泵采用了青铜材料的叶轮和配气板，比别的真空泵强度要高，如用于抽吸带有腐蚀性的气体、蒸汽或者液体时，必须选用相应的耐腐蚀材料，并在订货时说明。工作原理 叶轮被偏心地安装与圆形泵体内。由于启动前向泵内注入一定量的水，当叶轮转动时，液体由于离心力作用形成液环，同时叶轮每两片叶片与轮毂水环间形成空间。此空间随着叶轮的转动发生容积变化。当容积变大时，吸气；容积变小时，排气；从而起到气缸与活塞的作用。同时，由于排气过程中有部分液体随气体流失，所以在泵运行过程中需不断地供水，来保证泵正常地工作。