产品结构特点
本系列Q647MF-16C/25气动喷煤粉球阀是作为控制含尘、含固体粉末，特别适用于高炉煤粉喷吹、空气管路及喷枪管路等系统。
1、阀座带有磨损自动补偿装置，有效确保阀门的密封性能。
2、特殊材料制成的密封圈，具有耐高温、耐磨损、使用寿命长的特点。
3、阀门结构紧凑、启闭灵活、安装维修方便。
Construction Features
The Air operated ball valve series are designed for controllingthe powders containing dusts or solid bodies, especially for thosefields or systems as coal-powder injection in high-furnace, airflowlines, lance lines, etc.
1.Wear-auto-compensation equipment is applied with the valveseat to effectively ensure the sealing performance of the valve.
2.The seal ring made from exotic materials features such spe-c ialties as high-temperature resistance,abrasion-resistance, longservice-life, etc.
3.The valve bears those characteristics like compact structure,flexible on-off, and convenient method for installation and mainte-nance.
主要零件材质 Main Parts and Materials
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零件名称 Accessory name
|
材质 Materials
|
|
阀体、阀盖 Body,bonnet
|
WCB
|
|
球体、阀座 Globe Body,seat
|
1Cr18Ni9Ti+硬铬
ICr18Ni9Ti+Hard chrome
|
|
阀杆 Stem
|
2Cr13
|
|
密封圈 Sealing ring
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特种耐磨耐高温四氟
Special wearing-resisting and high-
temperature resistance tetraf luorine
|
|
螺栓 Bolt
|
中碳钢 Medium Carbon sl
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主要外型及连接尺寸表Form of Main Types and Connecting Dimension
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公称压力 Nominal pressure
|
1.6Mpa
|
|
壳体试验压力 Shell Test Pressure
|
2.4Mpa
|
|
高压液密封 High-Pressure Liquid Sealing
|
1.76Mpa
|
|
低压气密封 Low-Pressure Hermetic Sealing
|
0.6Mpa
|
|
适用温度 Applicable Temperature
|
-28~300℃
|
|
适用介质 Applicable Mediums
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含尘气体、煤粉等
Dusty gases,Powder coal,etc.
|
|
结构长度按 Structural length follows
|
GB1221-89
|
|
法兰尺寸按 Flange Dimension follows
|
GB9113、JB79-59
|
|
检验试验按 Test and Inspection follows
|
JB/T9092-99
|
|
驱动方式 Driving manner
|
手动、气动
Manual/Pneumatic
|
公称压力 PN（MPa）
Nominal pressure
|
公称通径 DN（mm）
Nominal diameter
|
尺寸 Dimension（mm）
|
|
L
|
W
|
H
|
|
手动 Manual
|
气动
Pneumatic
|
手动
Manual
|
气动
Pneumatic
|
|
1.6
|
25
|
180
|
140
|
235
|
90
|
298
|
|
32
|
200
|
155
|
235
|
107
|
304
|
|
40
|
220
|
250
|
330
|
127
|
370
|
|
50
|
220
|
250
|
330
|
140
|
376
|
|
65
|
241
|
350
|
400
|
164
|
425
|
|
80
|
283
|
350
|
510
|
177
|
484
|
|
100
|
305
|
420
|
510
|
206
|
531
|
|
125
|
356
|
700
|
580
|
292
|
570
|
|
150
|
394
|
1000
|
720
|
320
|
570
|
|
200
|
457
|
|
720
|
|
610
|
|
250
|
533
|
|
900
|
|
670
|
|
300
|
610
|
|
1050
|
|
740
|
|
350
|
686
|
|
1290
|
|
790
|
|
400
|
762
|
|
1600
|
|
905
|
|
其余连接尺寸请参阅样本《主要外型与连接尺寸表达式》
Please refer to the sample book of Form of Main Types and Connecting Dimension for other connection dimensions
|
