GOST Flanges Dimensions and Tolerances
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Get Complete details of GOST Standard Flanges
| |
GB9119，2—88 |
GB9119，2—88 |
| in |
NPS |
10kg=1.0MPa |
NPS |
16kg=1.6MPa |
| OD |
|
Dia of bolts |
Holes |
Thickness |
OD |
distance of bolts |
Dia of bolts |
Holes |
Thickness |
| 3/8 |
DN10 |
50 |
60 |
14 |
4 |
14 |
DN10 |
90 |
60 |
14 |
4 |
14 |
| 1/2 |
DN15 |
59 |
65 |
14 |
4 |
14 |
DN15 |
95 |
65 |
14 |
4 |
14 |
| 3/4 |
DN20 |
105 |
75 |
14 |
4 |
16 |
DN20 |
105 |
75 |
14 |
4 |
16 |
| 1 |
DN25 |
115 |
85 |
14 |
4 |
16 |
DN25 |
115 |
85 |
14 |
4 |
16 |
| 11/4 |
DN32 |
140 |
100 |
18 |
4 |
18 |
DN32 |
140 |
100 |
18 |
4 |
18 |
| 11/2 |
DN40 |
150 |
110 |
18 |
4 |
18 |
DN40 |
150 |
110 |
18 |
4 |
18 |
| 2 |
DN50 |
165 |
125 |
18 |
4 |
20 |
DN50 |
165 |
125 |
18 |
4 |
20 |
| 21/2 |
DN65 |
185 |
145 |
18 |
4 |
20 |
DN65 |
185 |
145 |
18 |
4 |
20 |
| 3 |
DN80 |
200 |
160 |
18 |
8 |
20 |
DN80 |
200 |
160 |
18 |
8 |
20 |
| 31/2 |
DN100 |
220 |
180 |
18 |
8 |
22 |
DN100 |
220 |
180 |
18 |
8 |
22 |
| 4 |
DN125 |
250 |
210 |
18 |
8 |
22 |
DN125 |
250 |
210 |
18 |
8 |
22 |
| 5 |
DN150 |
285 |
240 |
22 |
8 |
24 |
DN150 |
285 |
240 |
22 |
8 |
24 |
| 6 |
DN200 |
340 |
295 |
22 |
8 |
24 |
DN200 |
340 |
295 |
22 |
8 |
26 |
| 8 |
DN250 |
395 |
350 |
22 |
12 |
26 |
DN250 |
405 |
355 |
26 |
12 |
29 |
| 10 |
DN300 |
445 |
400 |
22 |
12 |
28 |
DN300 |
460 |
410 |
26 |
12 |
32 |
| 12 |
DN350 |
505 |
460 |
22 |
16 |
30 |
DN350 |
520 |
470 |
26 |
16 |
35 |
| 14 |
DN400 |
565 |
515 |
26 |
16 |
32 |
DN400 |
580 |
525 |
30 |
16 |
38 |
| 16 |
DN450 |
615 |
565 |
26 |
20 |
35 |
DN450 |
640 |
585 |
30 |
20 |
42 |
| 18 |
DN500 |
670 |
620 |
26 |
20 |
38 |
DN500 |
715 |
650 |
33 |
20 |
46 |
| 20 |
DN600 |
780 |
725 |
26 |
20 |
42 |
DN600 |
840 |
770 |
36 |
20 |
52 |
GOST Flange Dimensions Industries and Applications
Widely used in the industries
- Pumps, Valves, and vessels in manufacturing and food processing.
- Pipe connections in industrial waterworks.
- Heat exchangers and heating systems of all sizes.
- Mining support.
- Nuclear power systems.
- Plumbing and mechanical systems.
- Assemblies in the oil, gas, and petrochemical industries.
- Fire protection systems.
GOST Standard Flanges Dimensions Supply and Export Network
List of Cities and Countries
