NISO泵外形及安装尺寸符合ISO 2858标准

NIS,NISF泵采用直联型联接加长轴结构。

序号           零件名称            材料                         对照代号/AISI/ASTM

1               泵体             铸铁HT200                       ASTM25B

2              耐磨环            铸铁HT200                       ASTM25B

3              叶轮              铸铁HT200/ZG07Cr19Ni9          ASTM25B/AISI304

4              泵盖             铸铁HT200                        ASTM25B

5             机械密封           石墨-碳化硅

6            O型橡胶圈          丁腈橡胶NBR

7             泵轴               不锈钢20Cr13                     AISI420

8            悬架体              铸铁HT200                       ASTM25B

9           轴承压盖             铸铁HT200                       ASTM25B

10          油封                丁腈橡胶NBR