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FLANGES
FLANGE FACING TYPE & FINISH
We are involved in offering a quality range of Flanges, which is high in durability and can withstand extreme conditions. These flanges are available in different grades, class, and other technical specifications as per the client’s requirements. Our range is commonly used to connect other threaded components in low pressure and non-critical applications.
American Standard Series |
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| STANDARD CODES | NOMINAL SIZE | PRESSURE GRADE |
| ANSI B 16.5(88) | 1/2"-24" | Class 150、300、600、900、1500、2500 |
| ANSI B 16.47(90) | 26"-60" | Class 150、300、600、900 |
| ASME B 16.5(96) | 1/2"-24" | Class 150、300、600、900、1500、2500 |
| ISO7005-1(92) | 1/2"-24" | PN2.0 5.0 11.0 15.0 26.0 42.0 |
| BS4504-3.1(89) | 1/2"-24" | Class 150、300、600、900、1500、2500 |
| JPI 7S-15-93 | 1/2"-24" | Class 150、300、600、900、1500、2500 |
| NF E29-203 | 1/2"-24" | PN2.0 5.0 11.0 15.0 26.0 42.0 |
| API605-81 | 26"-60" | Class 150、300、600 |
| ASME B 16.36(96) | 1"-24" | Class 300、400、600、900、1500、2500 |
German Standard Series |
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| STANDARD CODES | NOMINAL SIZE | PRESSURE GRADE |
| DIN 2630 WN | DN1200-DN2400 | 1 Bar |
| DIN 2631 WN | DN10-DN3600 | 6 Bar |
| DIN 2632 WN | DN200-DN3000 | 10 Bar |
| DIN 2633 WN | DN10-DN2000 | 16 Bar |
| DIN 2634 WN | DN200-DN1000 | 25 Bar |
| DIN 2635 WN | DN10-DN500 | 40 Bar |
| DIN 2636 WN | DN10-DN400 | 64 Bar |
| DIN 2637 WN | DN10-DN350 | 100 Bar |
| DIN 2638 WN | DN10-DN300 | 160 Bar |
| DIN 2573 PL | DN10-DN500 | 6 Bar |
| DIN 2576 PL | DN10-DN500 | 10 Bar |
| DIN 2527 PL | DN10-DN500 | 6 10 16 25 40 Bar |
| DIN 2501 WN | DN15-DN500 | 10 16 25 40 63 100 160 250 320 400 Bar |
| DIN 2566 TH | DN15-DN500 | 10 16 Bar |
| DIN 2655 PL | DN15-DN500 | 0.25 0.6 1.0 1.6 2.5 4.0 Bar |
| DIN 2656 PL | DN15-DN500 | 0.25 0.6 1.0 1.6 2.5 4.0 Bar |
Japanese Standard Series |
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| STANDARD CODES | NOMINAL SIZE | PRESSURE GRADE |
| JIS B 2220 PL | DN10-DN400 | 5K |
| JIS B 2220 SO | DN450-DN1000 | 5K |
| JIS B 2220 PL | DN10-DN225 | 10K |
| JIS 2220 SO | DN250-DN1000 | 10K |
| JIS 2220 SO | DN10-DN1200 | 16K 20K 30K |
| JIS 2220 WN | DN15-DN400 | 30K |
National Standard Series |
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| STANDARD CODES | NOMINAL SIZE | PRESSURE GRADE |
| GB/T 9112-9113.4-2000 | DN10-DN2000 | PN 0.25 0.6 1.0 2.5 4.0 6.3 10.0 16.0 Mpa |
| JB/T 74-86.2-94 | DN10-DN1600 | PN 0.25 0.6 1.0 2.5 4.0 6.3 10.0 16.0 20.0 Mpa |
| HG 20592-20626-97 | DN10-DN2000 | PN 0.25 0.6 1.0 2.0 2.5 4.0 5.0 6.3 10.0 11.0 15.0 16.0 25.0 26.0 42.0 Mpa |
| SH 3406-96 | DN10-DN1500 | PN 1.0 2.0 5.0 6.8 10.0 15.0 25.0 42.0 Mpa |
| GB/T 17241.1-17241.7 | DN10-DN4000 | PN 0.25 0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa |
| GB/T 15530.1-15530.8 | DN10-DN1800 | PN 0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa |
Power Ministry Series |
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| STANDARD CODES | NOMINAL SIZE | PRESSURE GRADE |
| D-GD86-0510-0537 | DN15-DN2000 | PN 0.25 0.6 1.0 1.6 2.5 4.0 6.4 10.0 Mpa |
| DG0511-0541 | DN15-DN1000 | PN 0.25 0.6 1.0 1.6 2.5 4.0 6.4 10.0 20.0 32.0 Mpa |
Pressure Vessel Series |
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| STANDARD CODES | NOMINAL SIZE | PRESSURE GRADE |
| JB/T 4701-2000 | DN300-DN2000 | PN 0.25 0.6 1.0 1.6 10.0 Mpa |
| JB/T 4702-2000 | DN300-DN3000 | PN 0.25 0.6 1.0 1.6 2.5 4.0 Mpa |
| JB/T 4703-2000 | DN300-DN2000 | PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa |
| Shipping Series | ||
| STANDARD CODES | NOMINAL SIZE | PRESSURE GRADE |
| GB573-581-76 | DN20-DN500 | PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa |
| GB2506-2507-89 | DN10-DN2000 | PN 0.25 0.6 1.0 1.6 2.5 Mpa |
| GB4450-84 | DN20-DN500 | PN 0.6 1.0 1.6 Mpa |
| GB10746-10749-89 | DN10-DN600 | PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa |