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Butterfly ValveHome>Products

Wafer Butterfly Valve

 

Main parts and materials 

Part Name
Materials
Body
Cast Iron/Ductile Iron
Stem
Stainless Steel/Carbon steel
Taper Pin
Stainless Steel
Seat
NBR/EPDM
Disc
Ductile Cast Iron (Nickel plated)/Stainless Steel/Bronze
O-Ring
NBR, EPDM, Neoprene, Viton;
Bushing
PTFE, Nylon, Lubricated Bronze;
Key
Carbon Steel

Outline and connecting measurement

 Size

 
Ø
d
L
a︒
40
110
18
40.5
45︒
50
2
125
18
40.5
45︒
65
145
18
43
45︒
80
3
160
18
44.2
45︒
100
4
180
18
50
22.5︒
125
5
210
18
52.5
22.5︒
150
6
240
22
54
22.5︒
200
8
295
22
59
22.5︒
250
10
350
22
63
15︒
300
12
400
22
73.3
15︒
350
14
460
22
73.3
11.25︒
400
16
515
26
84.5
11.25︒
450
18
565
26
104
9︒
500
20
620
26
130
9︒
600
24
725
30
150
9︒
700
28
840
31
163
7.5︒
800
32
950
34
189
7.5︒
900
36
1050
34
203
6.43︒
1000
40
1160
37
216
6.43︒

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