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  • dafa经典版:What are the main components of centrifugal pump

  • time:2014-2-8 17:38:54source:author: click:
  • (1) single-stage centrifugal pump main components: the pump casing
    There are two axial pump casing split fraction and radial agent. Most are single-stage volute casing centrifugal pumps, multi-stage centrifugal

    radially split casing is generally circular annular housing or casing. General volute casing pump chamber type spiral flow channel. To collect the

    liquid flowing from the impeller and diffuser leads to the pump outlet. The casing to withstand thermal stress and the work load of the whole liquid.
    (2) single-stage centrifugal pump main parts: Impeller
    Is the only member of the impeller acting pump liquid through the impeller acting. Structure type impeller are closed, open, semi-open three. By a

    closed impeller blades, the front cover, back cover composition. Semi-open impeller blades and the rear cover of the composition. Only open impeller

    blades, no front cover. High efficiency closed impeller, lower open impeller efficiency.
    (3) single-stage centrifugal pump main parts: sealing ring
    The effect is to prevent the seal ring leakage and external leakage of the pump, the sealing ring made of wear-resistant material, set on the front

    cover of the impeller and the pump casing. Can be replaced after wear.
    (4) single-stage centrifugal pump main parts: the shaft and bearings
    Impeller shaft end fixed one end fitted couplings. Depending on the size of the pump, bearing cho choice Rolling and plain bearings.
    (5) single-stage centrifugal pump main parts: seal
    Seal seals are generally two types of mechanical seals and packing. Average pump located juice into both loaded packing, but also loaded mechanical


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