Product Introduction
Slim-disc Butterfly Valve are used as shutting-off or throttling unit for petroleum processing, chemicals, food, medicine,textile,paper making, hydroelectricity engineering, ship building, water supply and sewage, matallurgy, enrgy engineering as well as light industry etc, it can be installed in any position.
Product Features
1.Small in size and light in weight.Easy installation and maintenance . It can be mounted wherever needed.
2.Simple and compact construction, quick 90 degrees on-off operation.
3.Minimized operating torque,energy saving.
4.Flow curve tending to straight line.Excellent regulation performance.
5.Long service llife. Standing the test of tens of thousands opening/closing operatings.
6.Bubbles-tight sealing with no leakage under the pressure test.
7.Wide selection of materials applicable for various medium.
8.Stem and disc are connected by means of pinless structure with more reliable performance.
9.The user can select different type of structures,whole shaft or two pieces of shaft.
Performance Specification
|
Nominal Diameter |
DN50(2”)~DN600(24”) |
Mm(inch) |
|
Nominal Pressure |
PN10 |
PN16 |
MPa |
|
Test Pressure |
Sealing |
1.1 |
1.76 |
|
Shell |
1.5 |
2.4 |
|
Working Temperature |
-15~+150(C) |
|
Suitable Medium |
Fresh water, Sewage, Sea water, Air, Vapour, Food, Medicine, Oils, Acids, Alkalis etc.. |
|
Actuator |
Lever, Gear box, Pneumatic or Electric actuator |
Materials of The Main Parts
|
Body |
Disc |
Stem |
Bushing |
Seat |
|
Cast Iron
Ductile iron
Al-bronze
Stainless steel ZG1Cr18Ni9Ti
Stainless steel CF8M
Carbon steel WCB |
Plated ductile iron
Al-bronze
ZG1Cr18Ni9Ti
Titanium steel
Stainless steel CF8M
Carbon steel WCB
Stainless Steel CF8 |
Stainless steel |
Lubrized bronze
PTFE |
Natural rubber(20-85C)
Hypalon (-18-149C)
EPDM(-50-150C)
Neoprence(-7-107C)
NBR(-12-93C)
Wear-resistnce rubber(-10-50C)
Viton(-23-150C)
Heat resistant rubber(-20-150C)
PTFE(10-150C)
|

Overall Connection Dimensions
|
Size |
A |
B |
C |
D |
L2 |
D1 |
D2 |
D3 |
D4 |
a° |
Φd1 |
k |
IXI |
F |
|
DN50 |
2” |
156 |
80 |
42.0 |
52.9 |
32 |
7 |
50 |
77 |
35 |
45° |
12.6 |
3 |
9×9 |
10 |
|
DN65 |
2.5” |
162 |
89 |
44.7 |
64.5 |
32 |
7 |
50 |
77 |
35 |
45° |
12.6 |
3 |
9×9 |
10 |
|
DN80 |
3” |
170 |
95 |
45.2 |
78.8 |
32 |
7 |
50 |
77 |
35 |
45° |
12.6 |
3 |
11×11 |
10 |
|
DN100 |
4” |
185 |
114 |
52.1 |
104 |
32 |
10 |
70 |
92 |
55 |
22.5° |
15.77 |
5 |
11×11 |
12 |
|
DN125 |
5” |
207 |
127 |
54.4 |
123.3 |
32 |
10 |
70 |
92 |
55 |
22.5° |
18.9 |
5 |
14×14 |
14 |
|
DN150 |
6” |
216 |
139 |
55.8 |
155.6 |
32 |
10 |
70 |
92 |
55 |
22.5° |
18.9 |
5 |
14×14 |
14 |
|
DN200 |
8” |
256 |
175 |
60.8 |
202.5 |
32 |
12 |
102 |
115 |
70 |
15° |
22.1 |
5 |
17×17 |
17 |
|
DN250 |
10” |
248 |
203 |
65.6 |
250.5 |
45 |
12 |
102 |
115 |
70 |
15° |
28.45 |
8 |
22×22 |
22 |
|
DN300 |
12” |
280 |
242 |
76.9 |
301.6 |
45 |
12 |
102 |
140 |
70 |
11.25° |
31.6 |
8 |
22×22 |
24 |
|
DN350 |
14” |
368 |
267 |
76.9 |
333.5 |
45 |
12 |
102 |
140 |
70 |
11.25° |
31.6 |
8 |
22×22 |
24 |
|
DN400 |
16” |
400 |
309 |
85.7 |
389.6 |
45 |
18 |
140 |
197 |
100 |
11.25° |
33.1/37.9 |
10 |
27×27 |
27 |
|
DN450 |
18” |
422 |
328 |
104.6 |
440.5 |
52/72 |
18 |
140 |
197 |
100 |
11.25° |
38/42.9 |
10/12 |
27×27 |
27 |
|
DN500 |
20” |
480 |
360 |
130.3 |
491.6 |
52/72 |
18 |
140 |
197 |
100 |
9° |
41.1/45.7 |
10/12 |
36×36 |
32 |
|
DN600 |
24” |
562 |
460 |
151.4 |
592.5 |
64/82 |
23 |
165 |
276 |
130 |
9° |
50.6/54 |
16 |
36×36 |
36 |