From treasure Long in Dalian pump industry manufacturing the limited company produce of shield pump and petrochemical process pump to compare, there is obvious advantage.
 1.The easy Ran easily explodes work condition:Adopt the petrochemical pump that the machine seal completely, seal completely principle machine to move mirror wreath to become a liquid film when the high speed revolve, carry on cooling to the machine.Exist to leak concealed suffer from.Shield to pump the whole machine flameproof, completely have no leakiness.Flameproof grade DIIBT3/DIIBT4, protection grade:IP54/IP55, iner keeping with and easy Ran easily explodes work condition;

  2.Petrochemical process pump according to API610 standard, press the machine to seal the PLAN11/PLAN in the standard API682 11+ 52 project comparisons:The importing pressure leads greatly and cause the PLAN11 machineses seal service life short.PLAN 11+52 projects cause the purchasing cost lead greatly.But choose to use to shield a pump can press the cu