| Production enforce standard | ||||||||||
| Design and Manutacture | Face to face | Flange Dimension | Butt welding | Inspection and test | ||||||
| ANSIÂ B16.34/BS1873 | ANSIÂ B16.10 | ANSIÂ B16.5 | ANSIÂ B16.25 | APIÂ 598 | ||||||
| Chief property and specification |  |  |  | |||||||
| Normal Pressure | Shell test | Water seal test | Air seal test |  |  |  | ||||
| LB | Mpa | Lbf/in² | Mpa | Lbf/in² | Mpa | Lbf/in² |  |  |  | |
| 150 | 3.1 | 450 | 2.2 | 315 | 0.5-0.7 | 60-100 | Â | Â | Â | |
| 300 | 7.8 | 1125 | 5.6 | 815 | Â | Â | Â | |||
| 600 | 15.3 | 2225 | 11.2 | 1630 | Â | Â | Â | |||
| 900 | 23.1 | 3350 | 16.8 | 2440 | Â | Â | Â | |||
| 1500 | 38.4 | 5575 | 28.1 | 4080 | Â | Â | Â | |||
| 2500 | 64.6 | 9367 | 47.4 | 6873 | Â | Â | Â | |||
| Material for main parts | ||||||||||
| Body/Cover/Disc | Stem | Sealing Face | Sealing shim | Packing | Suitable medium | |||||
| WCB | 2 CR13 | 13Cr STL with body material PTFE Nylon |
13Cr/Enhanced Flexible 1Cr13 /Flexible graphite SFB-208 Soft steel F304 F316 F304L F316L |
Flexible graphite Enhanced Flexible graphite SFB/260SFP/ 260PTFE |
Water Steam Petroleum Products |
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| WC1 | 38CrMoAl 25Cr2Mov |
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| WC6 | ||||||||||
| WC9 | ||||||||||
| C5Â C12 | ||||||||||
| CF8 | F304 | Nitric acid Aceic acid |
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| CF3 | F316 | |||||||||
| CF8M | F304L | |||||||||
| CF3M | F316L | |||||||||
| Main external and connection dimension | |||||||||
| Size | L | D | D1 | D2 | b | z-d | Do | H(open) | |
| 2 | in | 7 | 6 | 4.75 | 3.62 | 0.75 | 4-0.75 | 8 | 16.1 |
| mm | 178 | 152 | 120.5 | 92 | 19.1 | 4-19 | 200 | 409 | |
| 3 | in | 8 | 7.5 | 6 | 5 | 0.94 | 4-0.75 | 10 | 20 |
| mm | 203 | 90 | 152.5 | 127 | 23.9 | 4-19 | 250 | 570 | |
| 4 | in | 9 | 9 | 7.5 | 6.19 | 0.94 | 8-0.75 | 10 | 23.2 |
| mm | 229 | 229 | 190.5 | 157 | 23.9 | 8-19 | 250 | 590 | |
| 6 | in | 10.5 | 11 | 9.5 | 8.5 | 1 | 8-0.88 | 12 | 24.8 |
| mm | 267 | 279 | 241.5 | 216 | 25.4 | 8-22 | 300 | 630 | |
| 8 | in | 11.5 | 13.5 | 11.75 | 10.62 | 1.12 | 8-0.88 | 13.88 | 37.8 |
| mm | 292 | 343 | 298.5 | 270 | 28.5 | 8-22 | 350 | 960 | |
| 10 | in | 13 | 16 | 14.25 | 12.75 | 1.19 | 12-1 | 15.7 | 45.6 |
| mm | 330 | 406 | 362 | 324 | 30.2 | 12-25 | 400 | 1158 | |
| 12 | in | 14 | 19 | 17 | 15 | 1.25 | 12-1 | 17.7 | 5430 |
| mm | 356 | 483 | Hybrid Sedan Hybrid Sedan is a type of car that combines an internal combustion engine with an electric motor and batteries, offering the advantages of both electric cars and traditional gas-powered sedans.
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