Wafer Type Butterfly Valve
Application：
This kind of butterfly valve is widely utilized in foodstuff,pharmacy,chemical industry etc.and industrial environmental protection, water treatment, high building, water supply and draian tubing line open or close or adjusting medium.
Materials：
|
No.
|
Part Name
|
Material (1)
|
Material(2)
|
|
1
|
Body
|
Cast Iron / Ductile Iron
|
LCB / WCB / CF8 / CF8M / CF3 / CF3M
|
|
2
|
Bushing
|
B62
|
PTFE / Brass
|
|
3
|
"O"ring
|
EPDM /
NBR
|
NBR / EPDM / PTFE
|
|
4
|
Stem
|
SS410 / SS304 / SS316
|
SS410 / SS304 / SS316 / SS304L / SS316L
|
|
5
|
Disc
|
Ductile Iron / SS304 / SS316
|
LCB /WCB / CF8 / CF8M / CF3 / CF3M
|
|
6
|
Seat
|
EPDM /
NBR
|
EPDM /
NBR / PTFE
|
Dimensions：
|
Size
|
C
|
L
|
A
|
B
|
c
|
D1
|
D
|
n-d
|
K
|
E
|
n-d1
|
|
DN50
|
41.5
|
32
|
143
|
55
|
12.4
|
125
|
52.5
|
4-18
|
65
|
50
|
4-8
|
|
DN65
|
44.5
|
32
|
155
|
64
|
12.4
|
145
|
63.8
|
4-18
|
65
|
50
|
4-8
|
|
DN80
|
44.5
|
32
|
162
|
72
|
14.4
|
160
|
78.1
|
8-18
|
65
|
50
|
4-8
|
|
DN100
|
51.4
|
32
|
183.8
|
90
|
16.4
|
180
|
103.8
|
8-18
|
90
|
70
|
4-10
|
|
DN125
|
54.5
|
32
|
197
|
101
|
18.4
|
210
|
123.1
|
8-18
|
90
|
70
|
4-10
|
|
DN150
|
54.4
|
32
|
210
|
114
|
18.4
|
240
|
155
|
8-22
|
90
|
70
|
4-10
|
|
DN200
|
63.5
|
40
|
240
|
145
|
22.4
|
295
|
202.1
|
8-22
|
125
|
102
|
4-12
|
|
DN250
|
65
|
40
|
286
|
178
|
30.4
|
350
|
250.1
|
12-22
|
125
|
102
|
4-12
|
|
DN300
|
76.9
|
40
|
309
|
204
|
30.4
|
400
|
301.1
|
12-22
|
125
|
102
|
4-12
|
