【外螺纹带焊接管球阀相关型号】
Q21F
Q21F-16C Q21F-25C Q21F-40C Q21F-64C Q21F-100C Q21F-160C Q21F-250C
Q21F-16P Q21F-25P Q21F-40P Q21F-64P Q21F-100P Q21F-160P Q21F-250P
Q21N
Q21N-16C Q21N-25C Q21N-40C Q21N-64C Q21N-100C Q21N-160C Q21N-250C Q21N-320C
Q21N-16P Q21N-25P Q21N-40P Q21N-64P Q21N-100P Q21N-160P Q21N-250P Q21N-320P
【外螺纹带焊接管球阀特征】
1.公称压力：1.6-42.0MPa
2.适用温度范围：-20～232℃～350℃
3.适用介质：水、油、气体某些腐蚀性液体
【外螺纹带焊接管球阀主要零部件材料】
| 型号 | 阀体 | 球体、阀杆 | 手柄 | 密封圈 | 垫片、填料 |
| Q61F-16C Q61F-25C Q61F-40C Q61F-64C | A105、45 | 1Cr18/1Cr18Ni9Ti | 不锈钢SS304 | 聚四氟乙烯PTFE对位聚苯PPL | 聚四氟乙烯PTFE对位聚苯PPL |
| Q61F-16P Q61F-25P Q61F-40P Q61F-64P | 1Cr18Ni9Ti | SS304/1Cr18Ni9Ti | |||
| Q61F-16R Q61F-25R Q61F-40R Q61F-64R | SS316/1Cr18Ni12Mo2Ti | SS316/1Cr18Ni12Mo2Ti |
【外螺纹带焊接管球阀主要连接尺寸】
| 公称通经(mm) | 尺寸(mm) | |||||
| d | L | L1 | M | L0 | Q61带对接焊头总长 | |
| 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 | 235 | |
| 40 | 25 | 135 | 25 | 60×3 | 150 | 255 |
| 50 | 32 | 140 | 25 | 72×3 | 180 | 291 |
