径向式径向柱塞泵可分为阀配流与轴配流两大类。阀配流径向柱塞泵存在故障率高、效率低等缺点。国际上70、80年***展的轴配流径向柱塞泵克服了阀配流径向柱塞泵的不足。由于径向泵结构上的特点，固定了轴配流径向柱塞泵比轴向柱塞泵耐冲击、寿命长、控制精度高。变量行程短泵的变量是在变量柱塞和限位柱塞作用下，改变定子的偏心距实现的，而定于的***大偏心距为5—9mm（根据排量大小不同），变量行程很短。且变量机构设计为高压操纵，由控制阀进行控制。故该泵的响应速度快。径向结构设计克服了如轴向柱塞泵滑靴偏磨的问题。使其抗冲击能力大幅度提高。9510390080AZ-P-N-12-022-LQR12MB9510390081AZ-P-N-12-025-LQR12MB9510390082AZ-P-N-12-028-LQR12MB9510390083AZ-P-N-12-032-LQR12MB9510390084AZ-P-N-12-036-LQR12MB9510390085AZ-P-NFF-11-020/019/019-RDC12MB-S00149510390086AZ-P-N-12-020-RPR12MA9510390087AZ-P-N-12-022-RPR12MA9510390088AZ-P-N-12-025-RPR12MA9510390089AZ-P-N-12-028-RPR12MA9510390090AZ-P-N-12-032-RPR12MA9510390091AZ-P-N-12-036-RPR12MA9510390092AZ-P-N-12-020-LPR12MA9510390093AZ-P-N-12-022-LPR12MA9510390094AZ-P-N-12-025-LPR12MA9510390095AZ-P-N-12-028-LPR12MA9510390096AZ-P-N-12-032-LPR12MA9510390097AZ-P-N-12-036-LPR12MA9510390098AZ-P-N-12-020-RPC12MA9510390099AZ-P-N-12-022-RPC12MA9510390100AZ-P-N-12-025-RPC12MA9510390101AZ-P-N-12-028-RPC12MA9510390102AZ-P-N-12-032-RPC12MA9510390103AZ-P-N-12-036-RPC12MA9510390104AZ-P-N-12-020-LPC12MA)