VICKERS威格士变量叶片泵在一定转速或往复次数下的流量是一定的，几乎不随压力而改变；往复泵的流量和压力有较大脉动，需要采取相应的消减脉动措施；回转泵一般无脉动或只有小的脉动；具有自吸能力，泵启动后即能抽除管路中的空气吸入液体；启动泵时必须将排出管路阀门*打开；往复泵适用于高压力和小流量；回转泵适用于中小流量和较高压力；往复泵适宜输送清洁的液体或气液混合物。总的来说，容积泵的效率高于动力式泵。 动力式泵靠快速旋转的叶轮对液体的作用力，将机械能传递给液体，使其动能和压力能增加，然后再通过泵缸，将大部分动能转换为压力能而实现输送。动力式泵又称叶轮式泵或叶片式泵。离心泵是zui常见的动力式泵。
VICKERS威格士变量叶片泵在一定转速下产生的扬程有一限定值，扬程随流量而改变；工作稳定，输送连续，流量和压力无脉动；一般无自吸能力，需要将泵先灌满液体或将管路抽成真空后才能开始工作 ；适用性能范围广；适宜输送粘度很小的清洁液体，特殊设计的泵可输送泥浆、污水等或水输固体物。动力式泵主要用于给水、排水、灌溉、流程液体输送、电站蓄能、液压传动和船舶喷射推进等。
VICKERS威格士变量叶片泵也称定量泵或比例泵。计量泵属于往复式容积泵，用于精确计量的，通常要求计量泵的稳定性精度不超过±1%。随着现代化工业朝着自动化操作、远距离自动控制这一形势的不断发展，计量泵的配套性强、适应介质（液体）广泛的优势尤为显得特出。代替手工物料配比，使物料配比实现了远距离自动控制下的连续操作，并使物料配比更加准确无误，从而提高产品质量、降低成本、改善劳动条件、提高全员劳动生产力、全面实现工艺流程的自动化创造了条件。
Parker PVS系列变量叶片泵美国派克，美国派克PARKER变量叶片泵
VICKERS威格士变量叶片泵（Q）V10、V20 、20V、25V、35V、45V双联叶片泵：2520V、3520V、3525V、4520V、4525V、4535V变量柱塞泵：
PVQ系列：PVQ5、PVQ10、PVQ15、PVQ20、PVQ25、PVQ29、PVQ45
PVB系列：PVB5、PVB10、PVB15、PVB20、PVB25、PVB29、PVB45
PVH系列：PVH57、PVH74、PVH98、PVH131、PVH141等
PFB柱塞泵：PFB5、PFB10、PFB20、PFB45，PFB5-FRY-22-S124
轴向柱塞泵：PVB5/6、PVB10/15、PVB20/29、PVB45、PVB90；PVB20-F-MRSFXN-10-CM-CVP-C-G-L-11-GE1
PV/PF柱塞泵：PF066、PF090、PF130、PF180、PF250、PV066、PV090、PV130、PV180、PV250；PV 060M2 R 1A 1A 1N1V20EU17**10 PV250、PV360、PV500、PV750、PF250、PF360、PF500、PF750、TPV130、TPV180、TPV250、TPV360、TPV500、TPF130、TPF180、TPF250、TPF360、TPF500；PV 250M 7R1N1R1S1V30EU11DP11
PVH柱塞泵：PVH57QIC，PVH63QIC，PVH74QIC，PVH81QIC，PVH98QIC，PVH106QIC，PVH131QIC PVH141QICPVH074R13AA10B252000001AF1AB 010A 及PVM018/020、PVM045/050、PVM057/063、PVM131/141、PVQ10、PVQ13、PVQ16、PVQ20、PVQ25、PVQ32、PVQ40、PVQ45、PVQ63 PVQ32-B2R-SE1S-21-CM7-12
PVQ32-B2R-SS1S-21-CM7-12
PVQ32-B2R-SS1S-21-C1-4-12
PVQ40-MBR-SSNS-10-CM710
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25V12A-11A22R
25V14A 1A22R
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25V21A 1A22R
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35V25A 1A22R
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35V30A 1A22R
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35V35A 1B22R
35V35A 1C22R
35V35A 1D22R
35V38A 1A22R
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45V42A 86A22R
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50V85A 1A11 130 LH
50V109A 1D11 130
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2520V14A5 1CC22R
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2520V14A8 1CC22R
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2520V14A11 1AA22R
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