| 
| 零件名称 | 阀体 | 球体、阀杆 | 手柄 | 密封圈 | 垫片、填料 | Q21F-16C、Q21F-25C、
Q21F-40C、Q21F-64C | A105、45 | 1Cr18/Cr18Ni9Ti | 不
锈
钢
SS304 | 聚四氟乙烯
增强聚四氟乙烯
对位聚苯 | 聚四氟乙烯
对位聚苯 | Q21F-16P、Q21F-25P、
Q21F-40P、Q21F-64P | 1Cr18Ni9Ti | SS304/1Cr18Ni9Ti | Q21F-16R、Q21F-25R、
Q21F-40R、Q21F-64R | SS316/1Cr18Ni12Mo2Ti | SS316/1Cr18Ni12Mo2Ti | | 公称通径(mm) | 尺寸(mm) | | d | L | L1 | M | Lo | Q61
带对焊接头总长 | | 6 | 8 | 85 | 15 | 20×1.5 | 110 | 166 | | 10 | 10 | 85 | 16 | 24×1.5 | 110 | 166 | | 15 | 10 | 85 | 18 | 30×2 | 110 | 172 | | 20 | 13 | 90 | 18 | 36×2 | 110 | 187 | | 25 | 17 | 100 | 20 | 42×2 | 110 | 227 | | 32 | 22 | 120 | 20 | 52×2 | 150 | 235 | | 40 | 25 | 135 | 25 | 60×3 | 150 | 255 | | 50 | 32 | 140 | 25 | 72×3 | 150 | 291 | | |
