容积式液压泵能正常作业的基本条件是：
    ①在构造上能构成密封的作业容积；
    ②密封作业容积能完结周期性的改变，密封作业容积由小变大时与吸油腔相通，由大变小时与排油腔相通；
    ③吸油腔与排油腔必须彼此离隔。
    2．液压泵的类型
按液压泵输出的流量能否调节，可分为定量液压泵和变量液压泵；按其构造方式不一样可分为齿轮泵、叶片泵、柱塞泵和螺杆泵等。

PVL23-26-94-F-1R-UU-10    PVL23-33-94-F-1R-UU-10

PVL23-41-94-F-1R-UU-10    PVL23-47-94-F-1R-UU-10

PVL23-53-94-F-1R-UU-10    PVL23-59-94-F-1R-UU-10

PVL23-65-94-F-1R-UU-10    PVL23-75-94-F-1R-UU-10

PVL23-26-116-F-1R-UU-10    PVL23-33-116-F-1R-UU-10

PVL23-41-116-F-1R-UU-10    PVL23-47-116-F-1R-UU-10

PVL23-53-116-F-1R-UU-10    PVL23-59-116-F-1R-UU-10

PVL23-65-116-F-1R-UU-10    PVL23-75-116-F-1R-UU-10

PVL23-26-125-F-1R-UU-10    PVL23-33-125-F-1R-UU-10

PVL23-41-125-F-1R-UU-10    PVL23-47-125-F-1R-UU-10

PVL23-53-125-F-1R-UU-10    PVL23-59-125-F-1R-UU-10

PVL23-65-125-F-1R-UU-10    PVL23-75-475-F-1R-UU-10

PVL23-26-136-F-1R-UU-10    PVL23-33-136-F-1R-UU-10

PVL23-41-136-F-1R-UU-10    PVL23-47-136-F-1R-UU-10

PVL23-53-136-F-1R-UU-10    PVL23-59-136-F-1R-UU-10

PVL23-65-136-F-1R-UU-10    PVL23-75-136-F-1R-UU-10