一、Q21F广式外螺纹球阀概述：
公称压力:1.6-6.4MPa ，适用温度范围:-20~232℃~350℃ ，适用介质:水、油、气及某些腐蚀性液体W.O.G。适用范围：啤酒、饮料、 乳品、制药、生物工程等。
二、Q21F广式外螺纹球阀主要材料：
|
适用介质 |
型号 |
阀体 |
球体、阀杆 |
手柄 |
密封圈 |
垫片、填料 |
|
水、蒸汽、油品 |
Q21F-16C、Q21F-25C |
A105、45 |
1Cr18/Cr18Ni9Ti |
不 |
聚四氟乙烯 |
聚四氟乙烯 |
|
硝酸类 |
Q21F-16P、Q21F-25P |
SS304/1Cr18Ni9Ti |
SS304/1Cr18Ni9Ti |
|||
|
醋酸类 |
Q21F-16R、Q21F-25R |
SS316/1Cr18Ni12Mo2Ti |
SS316/1Cr18Ni12Mo2Ti |
三、Q21F广式外螺纹球阀主要尺寸：
|
产品型号 Type |
公称通径 DN |
PN1.6/2.5/4.0MPa Class 150Lb/Class 300Lb |
WT (kg) |
|||||
| L | d | M | B | H | W | |||
|
Q21F-16C Q21F-16P Q21F-16RQ21F-25C Q21F-25P Q21F-25RQ21F-40C Q21F-40P Q21F-40RQ21F-150Lb Q21F-300Lb |
6 | 60 | 8 | M20×1.5 | 15 | 38 | 110 | 0.4 |
| 10 | 60 | 10 | M24×15 | 16 | 40 | 110 | 0.45 | |
| 15 | 60 | 10 | M30×2 | 18 | 42 | 110 | 0.5 | |
| 20 | 67 | 13.5 | M36×2 | 18 | 62 | 110 | 0.6 | |
| 25 | 73 | 18 | M42×2 | 20 | 68 | 110 | 0.9 | |
| 32 | 90 | 22 | M52×2 | 20 | 75 | 150 | 1.4 | |
| 40 | 98 | 26 | M60×2 | 25 | 83 | 150 | 2.1 | |
| 50 | 112 | 32.8 | M72×2 | 25 | 90 | 150 |
2.6 |
|