YB型泵的变形产品。保持YB型泵优点的基础上，采用明油道结构，减少了流动阻力，进一步降低了噪声，同时设置四种进出口位置供选择。

　　YB-A36B-DT-FL-Y2,YB-A36B-DT-FF-Y2,中压单级叶片泵

　　YB-A36B-DT-JL-Y2,YB-A36B-DT-JF-Y2,中压单级叶片泵

　　YB-A36B-ST-FL-Y2,YB-A36B-ST-FF-Y2,中压单级叶片泵

　　YB-A36B-ST-JL-Y2,YB-A36B-ST-JF-Y2,中压单级叶片泵

　　YB-B48B-DT-FL-Y2,YB-B48B-DT-FF-Y2,中压单级叶片泵

　　YB-B48B-DT-JL-Y2,YB-B48B-DT-JF-Y2,中压单级叶片泵

　　YB-B48B-ST-FL-Y2,YB-B48B-ST-FF-Y2,中压单级叶片泵

　　YB-B48B-ST-JL-Y2,YB-B48B-ST-JF-Y2,中压单级叶片泵

　　YB-B60B-DT-FL-Y2,YB-B60B-DT-FF-Y2,中压单级叶片泵

　　YB-B60B-DT-JL-Y2,YB-B60B-DT-JF-Y2,中压单级叶片泵

　　YB-B60B-ST-FL-Y2,YB-B60B-ST-FF-Y2,中压单级叶片泵

　　YB-B60B-ST-JL-Y2,YB-B60B-ST-JF-Y2,中压单级叶片泵

　　YB-B74B-DT-FL-Y2,YB-B74B-DT-FF-Y2,中压单级叶片泵

　　YB-B74B-DT-JL-Y2,YB-B74B-DT-JF-Y2,中压单级叶片泵

　　YB-B74B-ST-FL-Y2,YB-B74B-ST-FF-Y2,中压单级叶片泵

　　YB-B74B-ST-JL-Y2,YB-B74B-ST-JF-Y2,中压单级叶片泵

　　YB-B92B-DT-FL-Y2,YB-B92B-DT-FF-Y2,中压单级叶片泵

　　YB-B92B-DT-JL-Y2,YB-B92B-DT-JF-Y2,中压单级叶片泵

　　YB-B92B-ST-FL-Y2,YB-B92B-ST-FF-Y2,中压单级叶片泵

　　YB-B92B-ST-JL-Y2,YB-B92B-ST-JF-Y2,中压单级叶片泵

　　YB-B113B-DT-FL-Y2,YB-B113B-DT-FF-Y2,中压单级叶片泵

　　YB-B113B-DT-JL-Y2,YB-B113B-DT-JF-Y2,中压单级叶片泵

　　YB-B113B-ST-FL-Y2,YB-B113B-ST-FF-Y2,中压单级叶片泵

　　YB-B113B-ST-JL-Y2,YB-B113B-ST-JF-Y2,中压单级叶片泵

　　YB-C129B-DT-FL-Y2,YB-C129B-DT-FF-Y2,中压单级叶片泵

　　YB-C129B-DT-JL-Y2,YB-C129B-DT-JF-Y2,中压单级叶片泵

　　YB-C129B-ST-FL-Y2,YB-C129B-ST-FF-Y2,中压单级叶片泵

　　YB-C129B-ST-JL-Y2,YB-C129B-ST-JF-Y2,中压单级叶片泵

　　YB-C148B-DT-FL-Y2,YB-C148B-DT-FF-Y2,中压单级叶片泵

　　YB-C148B-DT-JL-Y2,YB-C148B-DT-JF-Y2,中压单级叶片泵

　　YB-C148B-ST-FL-Y2,YB-C148B-ST-FF-Y2,中压单级叶片泵

　　YB-C148B-ST-JL-Y2,YB-C148B-ST-JF-Y2,中压单级叶片泵

　　YB-C171B-DT-FL-Y2,YB-C171B-DT-FF-Y2,中压单级叶片泵

　　YB-C171B-DT-JL-Y2,YB-C171B-DT-JF-Y2,中压单级叶片泵

　　YB-C171B-ST-FL-Y2,YB-C171B-ST-FF-Y2,中压单级叶片泵

　　YB-C171B-ST-JL-Y2,YB-C171B-ST-JF-Y2,中压单级叶片泵

　　YB-C194B-DT-FL-Y2,YB-C194B-DT-FF-Y2,中压单级叶片泵

　　YB-C194B-DT-JL-Y2,YB-C194B-DT-JF-Y2,中压单级叶片泵

　　YB-C194B-ST-FL-Y2,YB-C194B-ST-FF-Y2,中压单级叶片泵

　　YB-C194B-ST-JL-Y2,YB-C194B-ST-JF-Y2,中压单级叶片泵