Stainless steel Triple offset flange butterfly valve (Pneumatic)
Technical Parameter
Pressure range：PN10-PN160 CLASS150Lb~1500Lb
Nominal diameter：DN 50~DN3000 NPS2"~120"
Body material：Stainless steel, Duplex stainless steel, Alloy steel, Nickel alloy
End connection：Flange
Working temperature：-29℃~350℃
Mode of operation：Electric device
Design standard：GB/T12238, JB/T8527, API 609
Product Structure Features
Triple offset butterfly valve has one more offset feature compared to double offset design, which is the seat cone axis offset from the stem centerline that reduces the operating torque. Triple offset butterfly valves are widely used in power plant, petrochemical, metallurgy, water supply and drainage system, municipal construction as throttling flow and shutoff equipments.
The Main Structure Features Include
any friction between disc and sealing surface when opening or closing,
be installed in any position；
leakage design;
seat or metal seat is available as per customer request;
seal or Bidirectional seal is available as per customer request;
loaded packing can be chosen;
emission packing can be chosen according to ISO 15848 requirement;
extended design can be chosen;
temperature or ultra low temperature butterfly valve can be chosen as per customer request.
Main external connection dimensions
|
DN |
length |
size |
Connection size(standard value) |
weight |
|||||||||||||||
|
0.6MPa |
1.0MPa |
1.6MPa |
|||||||||||||||||
|
mm |
inch |
L |
C |
B |
A |
D |
D1 |
D2 |
D3 |
n-d |
D1 |
D2 |
D3 |
n-d |
D1 |
D2 |
D3 |
n-d |
|
|
50 |
2 |
108 |
82.5 |
338 |
180 |
65 |
140 |
110 |
88 |
4-14 |
165 |
125 |
99 |
4-18 |
165 |
125 |
99 |
4-18 |
14 |
|
65 |
2-1/2 |
112 |
92.5 |
358 |
180 |
65 |
160 |
130 |
108 |
4-14 |
185 |
145 |
118 |
4-18 |
185 |
145 |
118 |
4-18 |
16 |
|
80 |
3 |
114 |
100 |
413 |
245 |
72 |
190 |
150 |
124 |
4-18 |
200 |
160 |
132 |
8-18 |
200 |
160 |
132 |
8-18 |
17 |
|
100 |
4 |
127 |
110 |
428 |
240 |
72 |
210 |
170 |
144 |
4-18 |
220 |
180 |
156 |
8-18 |
220 |
180 |
156 |
8-18 |
21 |
|
125 |
5 |
140 |
125 |
444 |
240 |
72 |
240 |
200 |
174 |
8-18 |
250 |
210 |
184 |
8-18 |
250 |
210 |
184 |
8-18 |
27 |
|
150 |
6 |
140 |
142.5 |
553 |
350 |
93 |
265 |
225 |
199 |
8-18 |
285 |
240 |
211 |
8-22 |
285 |
240 |
211 |
8-22 |
29 |
|
200 |
8 |
152 |
170 |
678 |
350 |
93 |
320 |
280 |
254 |
8-18 |
340 |
295 |
266 |
8-22 |
340 |
295 |
266 |
12-22 |
50 |
|
250 |
10 |
250 |
197.5 |
742 |
550 |
350 |
375 |
335 |
309 |
12-18 |
395 |
350 |
319 |
12-22 |
405 |
355 |
319 |
12-26 |
69 |
|
300 |
12 |
270 |
222.5 |
803 |
600 |
350 |
440 |
395 |
363 |
12-22 |
445 |
400 |
370 |
12-22 |
460 |
410 |
370 |
12-26 |
91 |
|
350 |
14 |
290 |
252.5 |
866 |
600 |
350 |
490 |
445 |
413 |
12-22 |
505 |
460 |
429 |
16-22 |
520 |
470 |
429 |
16-26 |
110 |
|
400 |
16 |
310 |
282.5 |
940 |
600 |
350 |
540 |
495 |
463 |
16-22 |
565 |
515 |
480 |
16-26 |
580 |
525 |
480 |
16-30 |
138 |
|
450 |
18 |
330 |
307.5 |
995 |
750 |
380 |
595 |
550 |
518 |
16-22 |
615 |
565 |
530 |
20-26 |
640 |
585 |
548 |
20-30 |
175 |
|
500 |
20 |
350 |
335 |
1058 |
750 |
380 |
645 |
600 |
568 |
20-22 |
670 |
620 |
582 |
20-26 |
715 |
650 |
609 |
20-33 |
210 |
|
600 |
24 |
390 |
390 |
1163 |
750 |
380 |
755 |
705 |
667 |
20-26 |
780 |
725 |
682 |
20-30 |
840 |
770 |
720 |
20-36 |
275 |
|
700 |
28 |
430 |
447.5 |
1283 |
750 |
380 |
860 |
810 |
772 |
24-26 |
895 |
840 |
794 |
24-30 |
910 |
840 |
794 |
24-36 |
530 |
|
800 |
32 |
470 |
507.5 |
1398 |
750 |
380 |
975 |
920 |
878 |
24-30 |
1015 |
950 |
901 |
24-33 |
1025 |
950 |
901 |
24-39 |
590 |
|
900 |
36 |
510 |
557.5 |
1498 |
1250 |
380 |
1075 |
1020 |
978 |
24-30 |
1115 |
1050 |
1001 |
28-33 |
1125 |
1050 |
1001 |
28-39 |
1400 |
|
1000 |
40 |
550 |
615 |
1608 |
1500 |
580 |
1175 |
1120 |
1078 |
28-30 |
1230 |
1160 |
1112 |
28-36 |
1255 |
1170 |
1112 |
28-42 |
1650 |
|
1200 |
48 |
630 |
727.5 |
1876 |
1500 |
580 |
1405 |
1340 |
1295 |
32-33 |
1455 |
1380 |
1328 |
32-39 |
1485 |
1390 |
1328 |
32-48 |
2140 |
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