日本油研YUKEN的A系列04型的柱塞泵具有以下几个特点：

 1.容积效率高。柱塞斜盘设计变量泵，柱塞与缸筒间隙很少。

 2.节能。A系列04型是变量泵与比例阀构成一体的负载敏感控制液压泵，用于开式液压回路，变量泵通过比例阀对压力及流量进行匹配控制，追
随负载的变化提供所需压力和流量，因此功率消耗小，节能。

 3.控制简单。输入信号电流-全截流压力特性曲线的线性度在电流200-800mA
之间近似于直线，输入信号电流-流量特性的线性度在200-800mA之间比较好。
工作元件所需压力、流量能通过电流灵活调节。

日本油研YUKEN柱塞泵A系列压力补偿型.

A16-F-R-01-H-K-32,A16-F-R-01-C-K-32,A16-F-R-01-B-K-32,
 A22-F-R-01-C-K-32,A22-F-R-01-B-K-32,A22-F-R-01-H-K-32
 A37-F-R-01-H-K-32,A37-F-R-01-C-K-32,A37-F-R-01-B-K-32,
 A56-F-R-01-H-K-32,A56-F-R-01-C-K-32,A56-F-R-01-B-K-32,
 A220-F-R-01-H-K-10,A220-F-R-01-C-K-10 A220-F-R-01-B-K-10

A16-F-R-01-H-S-K-32,A16-F-R-01-C-S-K-32,A16-F-R-01-B-S-K-32,
 A22-F-R-01-C-S-K-32,A22-F-R-01-B-S-K-32,A22-F-R-01-H-S-K-32,
 A37-F-R-01-H-S-K-32,A37-F-R-01-C-S-K-32,A37-F-R-01-B-S-K-32,
 A56-F-R-01-H-S-K-32,A56-F-R-01-C-S-K-32,A56-F-R-01-B-S-K-32,
 A80-F-R-01-H-S-K-30,A80-F-R-01-C-S-K-30,A80-F-R-01-B-S-K-30,
 A125-F-R-01-H-S-K-30,A125-F-R-01-C-S-K-30,A125-F-R-01-B-S-K-30,

A10-FR01H-12,A10-FR01C-12,A10-FR01B-12,
 A70-FR01HS-60,A70-FR01CS-60,A70-FR01BS-60,A70-FR01KS-60,
 A90-FR01HS-60,A90-FR01CS-60,A90-FR01BS-60,A90-FR01KS-60,
 A145-FR01HS-60,A145-FR01CS-60,A145-FR01BS-60,A145-FR01KS-60,