日本Sumitomo住友 QT单联内啮合齿轮泵 【抗磨液压油粘度40cst(ISOVG32油，油温50℃)，转速1500r/min,进口压力0MPa】 Sumitomo QT32-12.5 Sumitomo QT32-16 Sumitomo QT42-20 Sumitomo QT42-25 Sumitomo QT42-31.5 Sumitomo QT52-40 Sumitomo QT52-50 Sumitomo QT52-63 Sumitomo QT62-80 Sumitomo QT62-100 Sumitomo QT62-125 Sumitomo QT31-20 Sumitomo QT31-25 Sumitomo QT31-31.5 Sumitomo QT41-40 Sumitomo QT41-50 Sumitomo QT41-63 Sumitomo QT51-80 Sumitomo QT51-100 Sumitomo QT51-125 Sumitomo QT61-160 Sumitomo QT61-200 Sumitomo QT61-250 Sumitomo QT33-12.5 Sumitomo QT33-16 Sumitomo QT43-20 Sumitomo QT43-25