单作用叶片泵的偏心距e是可以改变的。改变e的大小即可改变泵的排量。如果偏心方向改变，泵的吸排液方向也随之改变。为使排液区的叶片两端所受压力平衡，以便在离心力作用下从转子槽中顺利滑现而贴紧定子表面，通常使这些叶片槽底部与排液腔相通；而位于吸液区的各叶片槽底部则与吸液腔相通，以避免这些叶片端部与定子压得过紧，从而减轻它们的磨损。单作用叶片泵一侧是低压，一侧是高压，泵轴和轴承要承受很大的径向载荷。因此，单作用叶片泵也称为非平衡式叶片泵，这一缺点-了单作用叶片泵工作压力的提高。
20V2A 叶片泵
20V2A-1A22R
20V2A-1B22R
20V2A-1C22R
20V2A-1D22R
20V3A
20V3A-1A22R
20V3A-1B22R
20V3A-1C22R
20V3A-1D22R
20V4A
20V4A-1A22R
20V4A-1B22R
20V4A-1C22R
20V4A-1D22R
20V5A
20V5A-1A22R
20V5A-1B22R
20V5A-1C22R
20V5A-1D22R
20V6A
20V6A-1A22R
20V6A-1B22R
20V6A-1C22R
20V6A-1D22R
20V7A
20V7A-1A22R
20V7A-1B22R
20V7A-1C22R
20V7A-1D22R
20V8A
20V8A-1A22R
20V8A-1B22R
20V8A-1C22R
20V8A-1D22R
20V9A
20V9A-1A22R
20V9A-1B22R
20V9A-1C22R
20V9A-1D22R
20V10A
20V10A-1A22R
20V10A-1B22R
20V10A-1C22R
20V10A-1D22R
20V11A
20V11A-1A22R
20V11A-1B22R
20V11A-1C22R
20V11A-1D22R
20V12A
20V12A-1A22R
20V12A-1B22R
20V12A-1C22R
20V12A-1D22R
20V14A
20V14A-1A22R
20V14A-1B22R
20V14A-1C22R
20V14A-1D22R
25V10A
25V10A-1A22R
25V10A-1B22R
25V10A-1C22R
25V10A-1D22R
25V12A
25V12A-1A22R
25V12A-1B22R
25V12A-1C22R
