Main parts and materials
|
Part name
|
Material
|
|
Upper and lower valve body
|
Cast iron/Cast steel/Stainless steel/Lining F4/F46
|
|
Valve seat
|
F4/F46
|
|
With lever disc plate
|
Fulling (WCB)F4/F46,Half lining(stainless steel)/F4/F46
|
|
Liner
|
Silicone rubber
|
|
Wormgear handle
|
Qt400-15 Nodular cast iron, Aluminum alloy
|
PTFE-lined Butterfly Valve Standard
|
Technical specification
|
|
Design standard
|
GB12238
|
|
Structure length
|
GB12221
|
|
Flange standard
|
JB/T79-94
|
|
GB9113.1-26
|
|
Inspection and test
|
GB/T13927
|
|
Drive mode
|
Wormgear, Manual, Electric, Pneumatic
|
Main External and Connecting Dimensions PN 10~16
|
Nominal
diameter
DN
|
Outline Dimension
|
Connection Size
|
|
L
|
H2
|
H1
|
1.0MPa
|
1.6MPa
|
|
D
|
D1
|
z-Φd
|
D
|
D1
|
z-Φd
|
|
50
|
108
|
143
|
85
|
160
|
125
|
4-Φ18
|
160
|
125
|
4-Φ18
|
|
65
|
112
|
157
|
93
|
180
|
145
|
4-Φ18
|
180
|
145
|
4-Φ18
|
|
80
|
114
|
178
|
100
|
195
|
160
|
4-Φ18
|
195
|
160
|
8-Φ18
|
|
100
|
127
|
185
|
110
|
215
|
180
|
8-Φ18
|
215
|
180
|
8-Φ18
|
|
125
|
140
|
206
|
120
|
245
|
210
|
8-Φ18
|
245
|
210
|
8-Φ18
|
|
150
|
140
|
225
|
160
|
280
|
240
|
8-Φ23
|
280
|
240
|
8-Φ23
|
|
200
|
152
|
275
|
245
|
335
|
295
|
8-Φ23
|
335
|
295
|
12-Φ23
|
|
250
|
165
|
326
|
260
|
390
|
350
|
12-Φ23
|
405
|
355
|
12-Φ26
|
|
300
|
178
|
333
|
300
|
440
|
400
|
12-Φ23
|
460
|
410
|
12-Φ26
|
|
350
|
190
|
393
|
320
|
500
|
460
|
16-Φ23
|
520
|
470
|
16-Φ26
|
|
400
|
216
|
438
|
330
|
560
|
515
|
16-Φ26
|
580
|
525
|
16-Φ30
|
|
450
|
222
|
488
|
380
|
615
|
565
|
20-Φ26
|
640
|
585
|
20-Φ30
|
|
500
|
229
|
540
|
390
|
670
|
620
|
20-Φ26
|
715
|
650
|
20-Φ33
|
|
600
|
267
|
615
|
450
|
780
|
725
|
24-Φ30
|
840
|
770
|
20-Φ36
|
|
700
|
292
|
660
|
480
|
895
|
840
|
24-Φ30
|
910
|
840
|
24-Φ36
|
|
800
|
318
|
720
|
580
|
1010
|
950
|
24-Φ34
|
1020
|
950
|
24-Φ39
|
|
900
|
330
|
785
|
625
|
1110
|
1050
|
28-Φ34
|
1120
|
1050
|
28-Φ39
|
|
1000
|
410
|
900
|
660
|
1220
|
1160
|
28-Φ34
|
1255
|
1170
|
28-Φ42
|
|
1200
|
470
|
1070
|
780
|
1450
|
1380
|
32-Φ41
|
1485
|
1390
|
32-Φ48
|
