Rotary vane vacuum pump for frequency converter
Posted on Wed, 11 Nov 2020 06:22:28 +0000
Vacuum pump is a kind of rotary variable volume vacuum pump, which can only be used with the cooperation of the front stage pump. It has a large pumping speed in a wide pressure range and is insensitive to dust and water vapor in the extracted gas. It is widely used in metallurgy, chemical indust...
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