Forged steel socket welding flange sw flange
| GB Series |
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| Standard No. | Diameter Range | Pressure Rating | Conventional Materials |
| GB/T9112-9123.4 | DN10`DN2000 | PN0.25 1.0 1.6 2.5 4.0 6.3 10.0 16.0Mpa | GB1220 |
| JBT74-86.2 | DN10`DN1600 | PN0.25 0.6 1.0 1.6 2.5 4.0 6.3 10.0 16.0 20.0Mpa | 0Cr18Ni9/06Cr19Ni10 |
| HG20592-20626 | DN10`DN2000 | PN0.25 0.6 1.0 1.6 2.0 2.5 4.0 5.0 6.3 10.0 11.0 15.0 16.0 25.026.0 42.0 Mpa | 00Cr19Ni11/022Cr19Ni10
0Cr18Ni10Ti/06Cr18Ni11Ti |
| SH 3406 | DN10`DN1500 | PN1.0 2.0 5.0 6.8 10.0 15.0 25.0 42.0 Mpa | 0Cr17Ni12Mo2/06Cr17Ni12M02 |
| GBT17241.1-1724107 | DN10`DN4000 | PN0.25 0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa | 00Cr17Ni14Mo2/022Cr17Ni12M02 |
| GB/T15530.1-15530.8 | DN10`DN1800 | PN0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa | 0Cr18Ni12M03Ti/06Cr17Ni12M02Ti |
| Standard No. | Diameter Range | Pressure Rating | Conventional Materials |
| JIS B2220 PL | DN10`DN400 | 5K | JIS G3214 |
| JIS B2220 SO | DN450`DN1000 | 5K | SUS F 304L |
| JIS B2220 PL | DN10`DN225 | 10K | SUS F 316 |
| JID B2220 SO | DN250`DN1000 | 10K | SUS F 316L |
| JIS B2220 SO | DN10`DN1200 | 16K 20K 30K | SUS F 310 |
| JIS B2220 WN | DN15`DN400 | 30K | SUS F 321 |
| JPI 7S-15 | 1/2-24" | CLASS 150 300 600 900 1500 2500 |
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| American Standard Series |
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| Standard No. | Diameter Range | Pressure Rating | Conventional Materials |
| ASME B16.5 | 1/2-24" | CLASS 150 300 600 900 1500 2500 | ASTM A182 |
| ANSI B16.47 | 26-60" | CLASS 150 300 600 900 | F304 F316Ti |
| AWWA C207 | 4-144" | CLASS 86 175-150 275 300 | F304L F310 |
| ISO7005-1 | 1/2-24" | PN 2.0 5.0 11.0 15.0 26.0 42.0 | F321 F317L |
| BS4504-3,1 | 1/2-24" | CLASS 150 300 600 900 1500 2500 | F316 F347H |
| NF E29-203 | 1/2-24" | PN 2.0 5.0 11.0 15.0 26.0 42.0 | F316L |
| AP1605 | 26-60" | CLASS 150 300 600 | F51 |
| ASME B16.36 | 1/2-24" | CLASS 300 400 600 900 1500 2500 | F55 F60 |
| European Standard Series |
| Diameter Range | Pressure Rating | Conventional Materials |
| Standard No. |
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| DIN17440 |
| EN1092-1 | DIN2630 WN | DN12000`DN4000 | 1BAR | EN10222-5 |
| TYPE04 | DIN2631 WN | DN10`DN3600 | 6BAR | 1.4301 |
| TYPE11 | DIN2632 WN | DN200`DN3000 | 10BAR | 1.4306/7 |
| TYPE12 | DIN2633 WN | DN10`DN2000 | 16BAR | 1.4541 |
| DIN2634 WN | DN200`DN1000 | 25BAR | 1.4401 |
| DIN2635 WN | DN10`DN500 | 40BAR | 1.4406 |
| DIN2636 WN | DN10`DN400 | 61BAR | 1.4571 |
| DIN2637 WN | DN10`DN350 | 100BAR | 1.4462 |
| DIN2638 WN | DN10`DN300 | 160BAR | 1.4429 |
| EN1092-1 TYPE01 | DIN2573 PL DIN2576 PL | DN10`DN500 DN10`DN500 | 6BAR 10 BAR |
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| EN1092-1 TYPE05 | DIN 2527 BL | DN10`DN500 | 6 10 16 25 40 BAR |
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| EN1092-1 TYPE13 | DIN 2566 TH | DN10`DN150 | 10 BAR 1.6 BAR |
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| EN1092-1 TYPE02 | DIN 2642 (LOOSE) | DN10`DN500 | 10 BAR |
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