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pneumatic flange hard seal butterfly valve
Elastic metal seal butterfly valve is made of "U" shaped stainless steel seal valve, whose precision elastic seal ring contacts with the chrome-plated and polished sealing surface of the butterfly plate, and as it is resistant to high temperature, high pressure and low temperature, it can be widely applied to pipelines with various media whose temperature ≤500℃ in heating system, water supply and coal gas system to regulate flow and cut of or connect fluid.
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公称通径DN(mm)
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40～1200
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公称压力PN(MPa)
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1.0～6.4
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执行器配型
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单作用、双作用
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气动附件
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限位开关、定位器、电磁阀、过滤减压阀
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控制方式
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气开、气关
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公称压力Ps(MPa)
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强度试验
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1.5～9.6
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密封试验
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1.1～7.0
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主要 零件
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阀体
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WCB、CF8、CF8M、CF3M
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阀板
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WCB、CF8、CF8M、CF3M
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阀座
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WCB、CF8、硬质合金等
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阀轴
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45#、416、304、316等
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适用工况
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适用介质
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水、蒸汽、油品、强腐蚀性介质等
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工作温度
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-40℃～570℃
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连接形式
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对夹、法兰
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公称DN
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外形尺寸
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||||||||
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A
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H
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L
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ΦD
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ΦD1
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N-ΦD
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||||
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PN10
|
PN16
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PN10
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PN16
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PN10
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PN16
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||||
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50
|
168
|
305
|
108
|
125
|
125
|
165
|
165
|
4-Φ18
|
4-Φ18
|
|
65
|
219
|
332.5
|
112
|
145
|
145
|
185
|
185
|
4-Φ18
|
4-Φ18
|
|
80
|
249
|
361
|
114
|
160
|
160
|
200
|
200
|
8-Φ18
|
8-Φ18
|
|
100
|
274
|
397.5
|
127
|
180
|
180
|
220
|
220
|
8-Φ18
|
8-Φ18
|
|
125
|
274
|
442.5
|
140
|
210
|
210
|
250
|
250
|
8-Φ18
|
8-Φ18
|
|
150
|
355
|
461
|
140
|
240
|
240
|
285
|
285
|
8-Φ22
|
8-Φ22
|
|
200
|
417
|
519
|
152
|
295
|
295
|
340
|
340
|
8-Φ22
|
12-Φ22
|
|
250
|
452
|
539
|
165
|
350
|
355
|
395
|
405
|
12-Φ22
|
12-Φ26
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|
300
|
585
|
703.5
|
178
|
400
|
410
|
445
|
460
|
12-Φ22
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12-Φ26
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|
350
|
685
|
781
|
190
|
460
|
470
|
505
|
520
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16-Φ22
|
16-Φ26
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|
400
|
743
|
851.5
|
216
|
515
|
525
|
565
|
580
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16-Φ22
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16-Φ30
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|
450
|
857
|
937
|
222
|
565
|
585
|
615
|
640
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20-Φ26
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20-Φ30
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|
500
|
935
|
1035
|
229
|
620
|
650
|
670
|
715
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20-Φ26
|
20-Φ33
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pneumatic flange hard seal butterfly valve
Elastic metal seal butterfly valve is made of "U" shaped stainless steel seal valve, whose precision elastic seal ring contacts with the chrome-plated and polished sealing surface of the butterfly plate, and as it is resistant to high temperature, high
