Recent content by vultac

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    Understanding 3-pin vs 380/415V Electrical Supply

    Hi Guys, Im staying in a country that has 3-pin (UK) electrical supply. I recently come across one of my equipment that need 380/415V 3ph 50hz 4 wire supply. Please advise isit possible to hook them up? what's the difference.
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    Comparing Vacuum Capability of Pump Models WELCH 1375 & PFEIFFER DUO65

    Hi, thanks for replying. What is the signifance of the curve for the Speed vs the Ultimate Pressure. What does the curve implies? ie if i found a machine that is running at 20CFM (15 less) but having 1 x 10^-4torr. is that ok?
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    Comparing Vacuum Capability of Pump Models WELCH 1375 & PFEIFFER DUO65

    Dear All, Appreciate if you can guide me on understanding the ultimate pressure of vacuum pump. I have two models for review. One has ultimate pressure of 1 x 10^-4Torr the other has 2 x 10^-3Torr. From this can it be said that the vacuum capability of the first pump (1 x 10^-4)...
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