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    外觀形式不同 , 立式三螺桿泵是立著的而臥式泵是橫臥著 . Different form appearance, vertical pump is standing and horizontal pump is lying.

    連接形式不同 , 立式三螺桿泵自下而上疊加連接 , 臥式泵縱向排列于底座上，立式三螺桿泵通稱管道泵，電機(jī)與泵體是子口連接；臥式泵是采用聯(lián)軸器與電機(jī)連接，需要定期找正。 Superposition of different connection forms, the vertical pump bottom-up connection, horizontal pump vertically on the base, known as vertical pump pipeline pump, motor and pump body is seam allowance;Horizontal pump is connected by shaft coupling and motor, need to find is on a regular basis.

    占地空間不同 , 立式三螺桿泵占地面積小而臥式泵占用面積大 . 。立式三螺桿泵組的占地比臥式泵小，不一定要打基礎(chǔ)；臥式泵組設(shè)有底座，要打基礎(chǔ)。 Covers an area of space is different, the vertical pump area small and horizontal pump takes up the area is large..Vertical pump group covers an area of smaller than horizontal pump, doesn't have to lay the foundation;Horizontal pump group has a base, to lay the foundation.

    維修難度不同 , 立式三螺桿泵檢修難度大 , 如檢修葉輪需將上部全部移去后方能進(jìn)行 ; 而臥式泵相對容易 , 如 IS 型泵只要將進(jìn)口管移去就能進(jìn)行葉輪檢修 . Maintenance difficulty is different, vertical pump maintenance is difficult, such as repair impeller should be the upper can all move to the rear;Horizontal pump easier, such as IS as long as the move imported tube type pump impeller repair can go.

    安裝形式不同 , 立式三螺桿泵為整體連接 , 安裝較易 ; 而臥式泵安裝后需進(jìn)行精度調(diào)整 . Different forms of installation, the vertical pump connection, for whole installation easier;But it's necessary for horizontal pump installed precision adjustment.

    臥式泵從經(jīng)濟(jì)上來說比立式三螺桿泵具有優(yōu)勢 .Horizontal pump economically than the vertical pump.