GPA型低噪音内啮合齿轮泵是采用国外先进设计制造技术生产的。产品分单泵、双联泵两种，单泵排量为1.76-63.6mL/r，有九种规格根据不同排量可组成多种规格的双联泵。该泵额定压力为6.3MPa、10MPa二种可供用户选择，转速为600-3000r/min，并可根据需要配置可调节的溢流阀。产品结构简单，运转平稳、压力脉动小、噪音低、工作可靠。该泵用于机床、船舶、注塑、起重、压铸等机械的液压系统。

单联齿轮泵
GPA1-1-E-20R6.3
GPA1-2-E-20R6.3
GPA1-4-E-20R6.3
GPA2-6-E-20R6.3
GPA2-10-E-20R6.3
GPA2-16-E-20R6.3
GPA3-25-E-20R6.3
GPA3-40-E-20R6.3
GPA3-63-E-20R6.3

双联齿轮泵
GPA1-1-1-E-20R6.3
GPA1-2-2-E-20R6.3
GPA1-4-4-E-20R6.3
GPA2-6-6-E-20R6.3
GPA2-10-10-E-20R6.3
GPA2-16-16-E-20R6.3
GPA3-25-25-E-20R6.3
GPA3-40-40-E-20R6.3
GPA3-63-63-E-20R6.3

单联带溢流阀齿轮泵
GPA1-1-EK1-20R
GPA1-2-EK1-20R
GPA1-4-EK1-20R
GPA2-6-EK1-20R
GPA2-10-EK1-20R
GPA2-16-EK1-20R
GPA3-25-EK1-20R
GPA3-40-EK1-20R
GPA3-63-EK1-20R

单联带溢流阀齿轮泵
GPA1-1-EK2-20R
GPA1-2-EK2-20R
GPA1-4-EK2-20R
GPA2-6-EK2-20R
GPA2-10-EK2-20R
GPA2-16-EK2-20R
GPA3-25-EK2-20R
GPA3-40-EK2-20R
GPA3-63-EK2-20R