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Butterfly ValveHome>Products

Center Line Flange Butterfly Valve

   

Main parts and materials

NO.
Part name
Material
1
Body
Ductile Iron
2
Seat
EPDM
3
Disc
Ductile Iron
4
Taper Pin
Carbon Steel
5
Bushing
Brass
6
O Ring Shaft Seal
EPDM
7
Bols
Carbon Steel
8
Shaft
Stainless Steel
9
Key
Carbon Steel
9
Gear box
Cast Iron

Outline and connecting measurement

DN
L
D
D1
n-do
50
108
165
125
4-18
65
112
185
145
4-18
80
114
200
160
8-18
100
127
220
180
8-18
125
140
250
210
8-18
150
140
285
240
8-22
200
152
340
295
12-22
250
165
405
355
12-26
300
178
460
410
12-26
350
190
520
470
12-28
400
216
580
525
16-30
450
222
640
585
20-30
500
229
710
650
20-33
600
267
840
770
24-36
700
292
910
840
24-36
800
318
1025
950
24-40
900
330
1125
1050
28-40
1000
410
1255
1170
28-42
1200
470
1485
1390
32-48