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Double Flanged Butterfly Valves with PTFE seat
● Meterial Of Main Parts
(Parts name)
(Material name)
(Body)
(Cast iron,cast steel stainless steel andlining fluorine)
(Belt pole butterfly board)
(Four fluorine)
(Seat)
(Cast steelE)
(Padding)
( Four fluorine )
(Liner)
(Siliconrubber)
(Worm gear hande)
(QT400-15M odular cast iron)
● Lining fluorine reed valve standard
技术规范 Technology standard
设计标准
GB12238
Design standard
结构长度
GB12221
Structural length
法兰标准
JB/T79-94
Flange standard
GB9113.1-26
检验试验
GB/T13927
Inspection test
驱动方式
涡轮、手动、电动、气动
Drive type
Worm gear, manual, electric operated, pneumatic operated
● Overall & Connection Dimensions
公称通径
尺寸 Size (mm)
DN
Nominal diameter
L
H2
H1
1.0MPa
1.6MPa
mm
inch
D
D1
Z-Φd
50
2”
108
143
85
160
125
4-Φ18
65
2.5”
112
157
93
180
145
80
3”
114
178
100
195
8-Φ18
4”
127
185
110
215
5”
140
206
120
245
210
150
6”
225
280
240
8-Φ23
200
8’
152
275
335
295
12-Φ23
250
10”
165
326
260
390
350
405
355
12-Φ26
300
12”
333
440
400
460
410
14”
190
393
320
500
16-Φ23
520
470
16-Φ26
16”
216
438
330
565
515
580
525
16-Φ30
450
18”
222
488
380
615
20-Φ26
640
585
20-Φ30
20”
229
540
970
620
715
650
20-Φ33
600
24”
267
780
725
840
770
20-Φ36
700
28”
292
660
480
895
24-Φ30
910
24-Φ36
800
32”
318
720
680
1010
950
24-Φ34
1020
24-Φ39
900
36”
785
625
1110
1050
28-Φ34
1120
28-Φ39
1000
40”
1220
1160
1255
1170
28-Φ42
1200
48”
1070
1450
1380
32-Φ41
1485
1390
32-Φ48