Item name: ventilating butterfly valve
Product features: ventilation valve body using the same materials and processed into the sealing ring, the valve body material with suitable temperature and nominal pressure is less than 0.6MPa, suitable for general ventilation for regulating media flow in industry, metallurgy, environmental protection and other pipeline. Its main features are: 1, design novel, reasonable, unique structure, light weight, open and close quickly. 2, operating torque is small, easy to operate, labor-saving dexterity. 3, the use of materials to meet the low, medium and high temperature of different media and corrosive media. Handle worm gear drive flange type ventilation butterfly valve, worm gear flange type ventilation valve, worm gear drive flange type ventilation butterfly valve。
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Part name |
Material Science |
|
valve body |
Cast steel, stainless steel, nickel chromium molybdenum steel, chromium molybdenum titanium and other special materials |
|
Disc |
Cast steel, stainless steel, nickel chromium molybdenum steel, chromium molybdenum titanium and other special materials |
|
Seal ring |
Same as valve body |
|
The stem |
2Cr13, carbon steel, stainless steel, nickel chromium molybdenum steel |
|
filler |
Fluorine plastics, flexible graphite |
|
Nominal diameter |
DN(mm) |
50~2000 |
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|
Nominal pressure |
PN(MPa) |
0.05 |
0.25 |
0.6 |
|
Test pressure |
strength test |
0.075 |
0.375 |
0.9 |
|
|
Seal test |
≤1.5%Leakage rate |
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Applicable medium |
Gas, dust gas, flue gas, etc.。 |
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Driving form |
Manual, worm and worm drive, gas transmission, electric drive。 |
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四、Ventilation butterfly valve DXH373X-16c. series connection dimensions：
|
Variety of materials |
carbon steel |
Low temperature carbon steel |
Alloy steel |
austenitic stainless steel |
Cr Mo steel |
|
|
Code |
WCB |
LCB |
WC6orWC9 |
C5orC12 |
chromiumCr-18type、304、316 |
12CrMoV |
|
Maximum temperature resistance |
425℃ |
345℃ |
595℃ |
650℃ |
600℃ |
560℃ |
|
Minimum temperature resistance |
-29℃ |
-46℃ |
-29℃ |
-29℃ |
-196℃ |
-40℃ |
|
Applicable operating temperature |
≤425℃ |
≤345℃ |
≤595℃ |
≤650℃ |
≤600℃ |
≤560℃ |
五、Ventilation butterfly valves D 41W-0.5/2.5/6 C.P.R.V series connection dimensions：
|
Nominal diameter |
The length of the structure(standard value) |
Dimensions (reference values) |
Connection dimension (standard value) |
Reference weight（kg） |
|||||||||||
|
0.05MPa和0.25MPa |
0.6MPa |
||||||||||||||
|
millimeter |
inch |
L |
H |
H0 |
A |
B |
D |
D1 |
D2 |
n-d |
D |
D1 |
D2 |
n-d |
|
|
50 |
2 |
108 |
70 |
215 |
270 |
65 |
140 |
110 |
88 |
4-14 |
140 |
110 |
88 |
4-14 |
9 |
|
65 |
2 1/2 |
112 |
80 |
235 |
270 |
65 |
160 |
130 |
108 |
4-14 |
160 |
130 |
108 |
4-14 |
12 |
|
80 |
3 |
114 |
95 |
263 |
270 |
65 |
190 |
150 |
124 |
4-18 |
190 |
150 |
124 |
4-18 |
15 |
|
100 |
4 |
127 |
105 |
283 |
270 |
65 |
210 |
170 |
144 |
4-18 |
210 |
170 |
144 |
4-18 |
17 |
|
125 |
5 |
140 |
120 |
313 |
310 |
65 |
240 |
200 |
174 |
8-18 |
240 |
200 |
174 |
8-18 |
23 |
|
150 |
6 |
140 |
132 |
338 |
310 |
65 |
265 |
225 |
199 |
8-18 |
265 |
225 |
199 |
8-18 |
25 |
六、Ventilation butterfly valves D341W-0.5/2.5/6 C.P.R.V series connection dimensions：
|
Nominal diameter |
The length of the structure(standard value) |
Dimensions (reference values) |
Connection dimension (standard value) |
Reference weight（kg） |
|||||||||||
|
0.05MPa和0.25MPa |
0.6MPa |
||||||||||||||
|
millimeter |
inch |
L |
H |
H0 |
A |
B |
D |
D1 |
D2 |
n-d |
D |
D1 |
D2 |
n-d |
|
|
50 |
2 |
108 |
70 |
286 |
125 |
193 |
140 |
110 |
88 |
4-14 |
140 |
110 |
88 |
4-14 |
14 |
|
65 |
2 1/2 |
112 |
80 |
306 |
125 |
193 |
160 |
130 |
108 |
4-14 |
160 |
130 |
108 |
4-14 |
15 |
|
80 |
3 |
114 |
95 |
334 |
125 |
193 |
190 |
150 |
124 |
4-18 |
190 |
150 |
124 |
4-18 |
17 |
|
100 |
4 |
127 |
105 |
354 |
125 |
193 |
210 |
170 |
144 |
4-18 |
210 |
170 |
144 |
4-18 |
20 |
|
125 |
5 |
140 |
120 |
384 |
125 |
193 |
240 |
200 |
174 |
8-18 |
240 |
200 |
174 |
8-18 |
25 |
|
150 |
6 |
140 |
132 |
409 |
125 |
193 |
265 |
225 |
199 |
8-18 |
265 |
225 |
199 |
8-18 |
29 |
|
200 |
8 |
152 |
160 |
593 |
165 |
183 |
320 |
280 |
254 |
8-18 |
320 |
280 |
254 |
8-18 |
47 |
|
250 |
10 |
165 |
187 |
650 |
165 |
283 |
375 |
335 |
309 |
12-18 |
375 |
335 |
309 |
12-18 |
67 |
|
300 |
12 |
178 |
220 |
715 |
165 |
283 |
440 |
395 |
363 |
12-22 |
440 |
395 |
363 |
12-22 |
78 |
|
350 |
14 |
190 |
245 |
814 |
175 |
334 |
490 |
445 |
413 |
12-22 |
490 |
445 |
413 |
12-22 |
96 |
|
400 |
16 |
216 |
270 |
863 |
175 |
334 |
540 |
495 |
463 |
16-22 |
540 |
495 |
463 |
16-22 |
130 |
|
450 |
18 |
222 |
297 |
918 |
175 |
334 |
595 |
550 |
518 |
16-22 |
595 |
550 |
518 |
16-22 |
142 |
|
500 |
20 |
229 |
322 |
1016 |
210 |
425 |
645 |
600 |
568 |
20-22 |
645 |
600 |
568 |
20-22 |
191 |
|
600 |
24 |
267 |
377 |
1128 |
210 |
425 |
755 |
705 |
667 |
20-26 |
755 |
705 |
667 |
20-26 |
230 |
|
700 |
28 |
292 |
430 |
1233 |
210 |
425 |
860 |
810 |
772 |
24-26 |
860 |
810 |
772 |
24-26 |
250 |
|
800 |
32 |
318 |
487 |
1344 |
210 |
425 |
975 |
920 |
878 |
24-30 |
975 |
920 |
878 |
24-30 |
320 |
|
900 |
36 |
330 |
537 |
1560 |
320 |
620 |
1075 |
1020 |
978 |
24-30 |
1075 |
1020 |
978 |
24-30 |
410 |
|
1000 |
40 |
410 |
587 |
1660 |
320 |
620 |
1175 |
1120 |
1078 |
28-30 |
1175 |
1120 |
1078 |
28-30 |
510 |
|
1200 |
48 |
470 |
687 |
1890 |
320 |
620 |
1375 |
1320 |
1280 |
32-30 |
1405 |
1340 |
1295 |
32-33 |
720 |
|
1400 |
56 |
530 |
760 |
2670 |
575 |
714 |
1575 |
1520 |
1480 |
36-30 |
1630 |
1560 |
1510 |
36-36 |
1270 |
|
1600 |
64 |
600 |
895 |
2810 |
575 |
714 |
1790 |
1730 |
1690 |
40-30 |
1830 |
1760 |
1710 |
40-36 |
1730 |
|
1800 |
72 |
670 |
995 |
3020 |
575 |
714 |
1990 |
1930 |
1890 |
44-30 |
2045 |
1970 |
1918 |
44-39 |
2750 |
|
2000 |
80 |
760 |
1095 |
3220 |
656 |
810 |
2190 |
2130 |
2090 |
48-30 |
2265 |
2180 |
2125 |
48-42 |
3050 |
Design standard：GB/T12238-1989；JB/T8692-1998
Flange connection size：GB/T9115.1-2000
Structure length：GB/T12221-1989
Pressure test：GB/T13927-1992；JB/T9092-1999
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