Characteristics:
This series butterfly valves can be widly used in water system, shipbuilding industry, petrochemical industry and so on, have the following advantages:
Simple and compact construction, small in size and light in weight.
Easy transportation and installation.
Quick 90°shut-off operation, minimized operating torque, energy saving.
Sealing capability well, long service life, with no leakage under pressure test.
Wide selection of materials applicable for various mediums.
Flow curve tending to straight line.
Excellent regulation performance.
Main Performance Parameter:
|
Nominal Diameter ( inch )
|
Nominal Pressure (MPa)
|
Suitable Medium
|
Suitable Temperature
|
|
1.5"~40"
|
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
|
L2
|
n-D1
|
D2
|
D3
|
D4
|
a°
|
Φdl
|
K
|
IXI
|
F
|
|
1.5"
|
136
|
69
|
32
|
42.6
|
32
|
4-7
|
50
|
77
|
35
|
45°
|
12.6
|
3
|
9X9
|
10
|
|
2"
|
161
|
80
|
42
|
52.9
|
32
|
4-7
|
50
|
77
|
35
|
45°
|
12.6
|
3
|
9X9
|
10
|
|
2.5"
|
175
|
89
|
44.7
|
64.5
|
32
|
4-7
|
50
|
77
|
35
|
45°
|
12.6
|
3
|
9X9
|
10
|
|
3"
|
181
|
95
|
45.2
|
78.8
|
32
|
4-7
|
50
|
77
|
35
|
45°
|
12.6
|
3
|
11X11
|
10
|
|
4"
|
200
|
114
|
52.1
|
104
|
32
|
4-10
|
70
|
92
|
55
|
22.5°
|
15.77
|
5
|
11X11
|
12
|
|
5"
|
213
|
127
|
54.4
|
123.3
|
32
|
4-10
|
70
|
92
|
55
|
22.5°
|
18.9
|
5
|
14X14
|
14
|
|
6"
|
226
|
139
|
55.8
|
155.6
|
32
|
4-10
|
70
|
92
|
55
|
22.5°
|
18.9
|
5
|
14X14
|
14
|
|
8"
|
260
|
175
|
60.8
|
202.5
|
45
|
4-12
|
102
|
115
|
70
|
15°
|
22.1
|
5
|
17X17
|
17
|
|
10"
|
292
|
203
|
65.6
|
250.5
|
45
|
4-12
|
102
|
115
|
70
|
15°
|
28.45
|
8
|
22X22
|
22
|
|
12"
|
337
|
242
|
76.9
|
301.6
|
45
|
4-12
|
102
|
140
|
70
|
11.25°
|
31.6
|
8
|
22X22
|
24
|
|
14"
|
368
|
267
|
76.5
|
333.5
|
45
|
4-12
|
102
|
140
|
70
|
11.25°
|
31.6
|
8
|
22X22
|
24
|
|
16"
|
400
|
309
|
85.7
|
389.6
|
52/72
|
4-18
|
140
|
197
|
100
|
11.25°
|
33.1/37.9
|
10
|
27X27
|
27
|
|
18"
|
422
|
328
|
104.6
|
440.5
|
52/72
|
4-18
|
140
|
197
|
100
|
11.25°
|
38/42.9
|
10-12
|
27X27
|
27
|
|
20"
|
480
|
360
|
130.3
|
491.6
|
64/82
|
4-18
|
140
|
197
|
100
|
9°
|
41.1/45.7
|
10-12
|
36X36
|
32
|
|
24"
|
562
|
460
|
151.4
|
592.5
|
70/82
|
4-23
|
165
|
276
|
130
|
9°
|
50.6/54
|
16
|
36X36
|
36
|
|
28"
|
624
|
520
|
163
|
695
|
66/82
|
8-18
|
254
|
300
|
200
|
7.5°
|
55/63.5
|
18
|
|
|
|
30"
|
660
|
560
|
167
|
744.4
|
66/82
|
8-18
|
254
|
300
|
200
|
7.5°
|
55/63.5
|
18
|
|
|
|
32"
|
672
|
591
|
188
|
794.7
|
66/82
|
8-18
|
254
|
300
|
200
|
7.5°
|
55/63.5
|
18
|
|
|
|
36"
|
720
|
656
|
203
|
864.7
|
118
|
8-18
|
254
|
300
|
200
|
6.4°
|
75
|
20
|
|
|
|
40"
|
800
|
722
|
216
|
965
|
141
|
8-18
|
254
|
300
|
200
|
6.4°
|
85
|
22
|
|
|