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  • Vacuum and vacuum heat treatment
    Vacuum and vacuum heat treatment The so-called vacuum pressure is lower than 101.3kPa (1 atm) of gas space. The size of the high and low degree of vacuum pressure with gaseous space to indicate that the degree of vacuum, the lower the pressure. Applications at work, often to a deg...

  • Overview nash-elmo (2BV, 2BE1,2BE3) series liquid ring vacuum pump
    Overview nash-elmo (2BV, 2BE1,2BE3) series liquid ring vacuum pump   2BV (including 2BV2, 2BV5 two models) and 2BE series (including 2BE1, 2BE3 two models) is nash-elmo products in the series. 2BV type vacuum pumps, suction capacity from 6 ~ 500m3 / h, the minimum suction pressure to 3...

  • The new LPG cylinder vacuum equipment
    The new LPG cylinder vacuum equipment The new LPG cylinders (including new maintenance), the first gas filling must be evacuated. The reason is that the air will not liquefy during inflation, this will inevitably increase the load hydrocarbon pump or compressor. 1, taking equipment ...

  • Rotary piston vacuum pump overhaul
    Rotary piston vacuum pump overhaul For rotary piston vacuum pump overhaul , generally on the pump completely disintegrated, comprehensive inspection , measuring the gap between the slide valve and pump ( normal clearance of 0.04 ~ 0.12mm); spool c...