Uses:
Bidirectional seal Flange Type Butterfly Valves can adjust flow in both-way or shut the equipment in the operational temperature ≤8 ℃. It can shut the transportation of media or adjust the flow of media in certain ranges. Now, it is widely used in the supply and drainage pipeline systems of power plant, water power industry, smelting industry, chemical industry and municipal construction, etc.
Materials of parts:
Name of parts |
Materials |
Body, plate valve |
cast steel, spheroidal graphite steel |
Valve rod |
stainless steel, and so on |
Gasket of valve seat |
cast brass, stainless steel |
Gasket of valve plate |
NBR |
Padding |
rubber, flexible graphite |
Performance regulations:
Nominal pressure(Mpa) |
0.25 |
0.6 |
1.0 |
1.6 |
|
Test pressure |
Shell |
0.4 |
0.9 |
1.5 |
2.4 |
(Mpa) |
seal |
0.28 |
0.66 |
1.1 |
1.76 |
Applicable media |
water |
||||
Temperature of media |
≤80℃ |
Nominal Diameter |
L |
H |
H1 |
H2 |
L1 |
L2 |
S |
D |
D1 |
d |
n-d |
Weight kg |
|
mm |
inch |
||||||||||||
100 |
4 |
127 |
340 |
120 |
130 |
110 |
49 |
68.9 |
220 |
180 |
150 |
8-18 |
32 |
125 |
5 |
140 |
370 |
130 |
160 |
110 |
49 |
80.4 |
250 |
210 |
150 |
8-18 |
37 |
150 |
6 |
140 |
390 |
135 |
170 |
100 |
49 |
91.8 |
285 |
240 |
150 |
8-22 |
45 |
200 |
8 |
152 |
470 |
175 |
216 |
170 |
75 |
112.9 |
340 |
295 |
200 |
8-22 |
76 |
250 |
10 |
165 |
560 |
200 |
250 |
170 |
75 |
90.6 |
395 |
350 |
200 |
12-22 |
82 |
300 |
12 |
178 |
650 |
230 |
280 |
210 |
90 |
103.5 |
445 |
400 |
280 |
12-22 |
132 |
350 |
14 |
190 |
650 |
260 |
310 |
210 |
90 |
89.7 |
505 |
460 |
280 |
16-22 |
206 |
400 |
16 |
216 |
740 |
295 |
340 |
230 |
119 |
100.5 |
565 |
515 |
320 |
16-22 |
320 |
450 |
18 |
222 |
810 |
315 |
380 |
230 |
119 |
88.4 |
615 |
565 |
320 |
20-26 |
346 |
500 |
20 |
229 |
880 |
340 |
430 |
230 |
119 |
97 |
670 |
620 |
320 |
20-30 |
474 |
600 |
24 |
267 |
1080 |
295 |
460 |
320 |
175 |
113.4 |
780 |
725 |
450 |
20-30 |
886 |
700 |
28 |
292 |
1210 |
460 |
560 |
320 |
175 |
109.6 |
895 |
840 |
450 |
24-30 |
986 |
800 |
32 |
318 |
1310 |
550 |
620 |
320 |
175 |
124 |
1015 |
950 |
450 |
24-33 |
1230 |
900 |
36 |
330 |
1460 |
620 |
700 |
400 |
276 |
117.5 |
1115 |
1050 |
450 |
28-33 |
1510 |
1000 |
40 |
410 |
1650 |
680 |
750 |
400 |
276 |
129.9 |
1230 |
1160 |
450 |
28-36 |
1820 |
1200 |
48 |
470 |
1850 |
780 |
880 |
400 |
276 |
135.3 |
1455 |
1380 |
450 |
32-39 |
2120 |
1400 |
56 |
530 |
2150 |
900 |
980 |
470 |
360 |
138.5 |
1675 |
1590 |
600 |
36-42 |
2780 |
1600 |
64 |
600 |
2380 |
1010 |
1090 |
470 |
360 |
142.8 |
1915 |
1820 |
600 |
40-48 |
3910 |
1800 |
72 |
670 |
2600 |
1120 |
1190 |
470 |
360 |
144 |
2115 |
2020 |
600 |
44-48 |
5766 |
2000 |
80 |
760 |
2870 |
1250 |
1340 |
470 |
360 |
152.5 |
2325 |
2230 |
600 |
48-48 |
8580 |
2200 |
88 |
1000 |
|
|
|
|
|
|
2550 |
2440 |
|
52-56 |
|
2400 |
96 |
1100 |
|
|
|
|
|
|
2760 |
2650 |
|
56-56 |
|
2600 |
104 |
1200 |
|
|
|
|
|
|
|
|
|
|
|