Q671F overview: Q671F pneumatic ball valve is a kind of pneumatic ball valve, is the introduction of Italy technology for the design and development of a new generation of ultra short pitch ball valve, ball core channel shape rectangular, V shape and O shape. The product has the characteristics of compact structure, small volume, light weight, convenient installation, and can be widely used in petroleum, chemical, metallurgical, power, light industry and other fields of oil, water, gas, and pulp or fibrous fluid automatically adjust or cut off control. Features and uses: The thin ball valve is a new type of ultra short flange ball valve, which is developed by Italy technology. The utility model has the advantages of compact structure, small size, light weight, small friction resistance, small backlash, stable and reliable operation and the like. Performance specification:
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Nominal diameter DN(mm) |
15-150 |
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Nominal pressurePN(Mpa) |
1.6 |
2.5 |
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Nominal pressure
PS(Mpa) |
strength test |
2.4 |
3.75 |
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Seal test |
1.76 |
2.75 |
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Material material code |
C |
P |
R |
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Main
Spare parts |
Valve body |
WCB |
ZG1Cr 18Ni 9Ti |
ZG0Cr 18Ni 12Mo2Ti |
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Sphere |
WCB |
ZG1Cr 18Ni 9Ti |
ZG0Cr 18Ni 12Mo2Ti |
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阀 杆 |
2Cr13 |
1Cr 18Ni 9Ti |
0Cr 18Ni 12Mo2Ti |
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密封圈 |
增强聚四氟乙烯 对位聚苯 |
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填 料 |
聚四氟乙烯 柔性石墨 |
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适 用
工 况 |
适用介质 |
水、蒸汽、油品 |
硝酸类 |
醋酸类 |
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适用温度 |
-28℃ - 250℃ |
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执行器 |
型 号 |
DA/SR系列、GTD/GTE系列、QGSY系列等 |
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气源压力 |
0.4-0.7MPa |
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执行标准 |
设计制造 |
结构长度 |
法兰尺寸 |
压力温度 |
试验检验 |
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GB12237 |
GB12221 |
GB9113 |
GB9131 |
GB13927 |
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