External Thread Ball Valve, Butt Welded Ball Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
External thread ball valve, butt welded ball valves
The external and connection dimensions
External thread ball valve, butt welded ball valve constructral diagram
Main connection dimensions
| nominal diameter (mm) | dimensions(mm) | |||||
| d | L | L1 | M | L0 | The length of Q61with butt welding | |
| 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 | 235 | |
| 40 | 25 | 135 | 25 | 60×3 | 150 | 255 |
| 50 | 32 | 140 | 25 | 72×3 | 180 | 291 |
The materials of main parts
| model | body | ball, stem | handle | sealing ring | gasket, packing |
| Q21F6C、Q21F-25C Q21F-40C、Q21F-64C | A105、45 | 1Cr18/1Cr18Ni9Ti | SS304 | PTFE PPL | PTFE PPL |
| Q21F6P、Q21F-25P Q21F-40P、Q21F-64P | 1Cr18Ni9Ti | SS304/1Cr18Ni9Ti | |||
| Q21F6R、Q21F-25R Q21F-40R、Q21F-64R | SS316/1Cr18Ni12Mo2Ti | SS316/1Cr18Ni12Mo2Ti |
