Characteristics:
This series butterfly valves can be widly used in water system, shipbuilding industry, petrochemical industry and so on, have the following advantages:
Multi-key design, working reliable.
Can be used in cutting off and regulating medium.
Easy installation and maintenance, It can be mounted wherever needed.
Simple, compact structure, quick 90 degree on-off operation.
Center disc structure, to make sure small torque of open and close.
Main Performance Parameter:
|
Nominal Diameter ( inch )
|
Nominal Pressure (MPa)
|
Suitable Medium
|
Suitable Temperature
|
|
2"~24"
|
1.0~1.6
|
Fresh water, Sewage, Sea water,Air, Vapour, Food, Medicine, Oils,Acids,Alkalis etc
|
-15℃~150℃
|
Material of Main Parts:
|
Name
|
Material
|
|
Body
|
Cast iron, Ductile iron, Carbon steel, Stainless steel, Bronze
|
|
Disc
|
Ductile iron, Carbon steel, Stainless steel, Al-Bronze,Titanium Steel
|
|
Stem
|
Stainless steel
|
|
Seal Ring
|
Natural rubber, Hypalon, EPDM, Neoprence, NBR, Wear- Resistant Rubber, Viton, Heat Resistant Rubber, PTFE
|
|
Packing
|
Flexible graphite、PTFE
|
|
Drivng Type
|
Manual、Worm wheel actuator、Electric、Pneumatic、Hydraulic
|

Dimension Table of Installation:
|
Norminal Diameter(inch)
|
A
|
B
|
C
|
D
|
L
|
D1
|
D2
|
D3
|
D4
|
a°
|
Φd1
|
K
|
IXI
|
F
|
|
2"
|
161
|
80
|
42
|
52.9
|
32
|
7
|
50
|
77
|
35
|
45°
|
12.6
|
3
|
9X9
|
10
|
|
2.5"
|
175
|
89
|
44.7
|
64.5
|
32
|
7
|
50
|
77
|
35
|
45°
|
12.6
|
3
|
9X9
|
10
|
|
3"
|
181
|
95
|
45.2
|
78.8
|
32
|
7
|
50
|
77
|
35
|
45°
|
12.6
|
3
|
11X11
|
10
|
|
4"
|
200
|
114
|
52.1
|
104
|
32
|
10
|
70
|
92
|
55
|
22.5°
|
15.77
|
5
|
11X11
|
12
|
|
5"
|
213
|
127
|
54.4
|
123.3
|
32
|
10
|
70
|
92
|
55
|
22.5°
|
18.9
|
5
|
14X14
|
14
|
|
6"
|
226
|
139
|
55.8
|
155.6
|
32
|
10
|
70
|
92
|
55
|
22.5°
|
18.9
|
5
|
14X14
|
14
|
|
6"
|
260
|
175
|
60.6
|
202.5
|
40
|
12
|
102
|
115
|
70
|
15°
|
22.1
|
5
|
17X17
|
17
|
|
10"
|
292
|
203
|
65.6
|
250.5
|
40
|
12
|
102
|
115
|
70
|
15°
|
28.45
|
8
|
22X22
|
22
|
|
12"
|
337
|
242
|
76.9
|
301.6
|
40
|
12
|
102
|
140
|
70
|
11.25°
|
31.6
|
8
|
22X22
|
24
|
|
14"
|
368
|
267
|
75
|
333.5
|
45
|
12
|
102
|
140
|
70
|
11.25°
|
31.6
|
8
|
22X22
|
24
|
|
16"
|
400
|
309
|
85.7
|
389.6
|
52/72
|
18
|
140
|
197
|
100
|
11.25°
|
33.1/37.9
|
10
|
27X27
|
27
|
|
16"
|
422
|
328
|
104.6
|
440.5
|
52/72
|
18
|
140
|
197
|
100
|
11.25°
|
38/42.9
|
10-12
|
27X27
|
27
|
|
20"
|
480
|
360
|
130.3
|
491.6
|
64/82
|
18
|
140
|
197
|
100
|
9°
|
41.1/45.7
|
10-12
|
36X36
|
32
|
|
24"
|
562
|
460
|
151.4
|
592.5
|
70/82
|
23
|
165
|
276
|
130
|
9°
|
50.6/54
|
16
|
36X36
|
36
|