Design Specifications
| Design standards | Structure length | Flange connection | Test and inspection | Test and inspection |
| API 6D | ASME B16.1 | ASME B16.25 | API 598 | ASME B16.34 |
Pressure Test
| Pressure rate | Shell test (Mpa) | Low Pressure Seal test (Mpa) | High Pressure Seal test (Mpa) | Temperature | Suitable medium |
| 150LB | 3 | 0.6 | 2.2 | ≤600℃ | Water,Oil,Gas |
| 300LB | 7.5 | 0.6 | 5.5 | ||
| 600LB | 15 | 0.6 | 11 | ||
| 900LB | 3 | 0.6 | 16.5 | ||
| 1500LB | 7.5 | 0.6 | 27.5 | ||
| 2500LB | 15 | 0.6 | 45.8 |
Material of Main Parts
| NO. | Part Name | Part Material | |||||
| 1 | Body | WCB | ZGOCr18Ni10Ti | A351CF8 | A351CF8M | A351CF3 | A351CF3M |
| 2 | Cap | WCB | ZGOCr18Ni10Ti | A351CF8 | A351CF8M | A351CF3 | A351CF3M |
| 3 | Ball | F304 | A182F321 | A182F304 | A182F316 | A182F304L | A182F316L |
| 4 | Seat | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE |
| 5 | Stem | 0Cr18N10T | OCr18Ni¹0Ti | 06Cr19Ni10 | 06Cr17Ni¹2Mo2 | 022Cr19Ni10 | 022Cr17Ni12Mo2 |
| 6 | Gasket | 304+Graphite | 304+Graphite | 304+Graphite | 304+Graphite | 304+Graphite | 304+Graphite |
| 7 | Bolt | B7 | A193B8 | A193B8 | A193B8M | A193 B8 | A193 B8M |
| 8 | Nut | A1948 | A1948 | A1948 | A1948M | A1948 | A1948M |
| 9 | Temperature | Soft seal-196-250℃ ,Hard seal-196-425℃ | |||||
| 10 | Medium | Nitric acid type weak corrosive medium | |||||
150LB Main External Dimension(Unit:mm)
| DN | L | d | D | D1 | D2 | f | b | z-d | W | |
| RF | RTJ | |||||||||
| 1/2” | 108 | 119 | 14 | 89 | 60.5 | 35 | 11.5 | 1.6 | 4-15 | 140 |
| 3/4” | 117 | 130 | 19 | 98 | 70 | 43 | 11.5 | 1.6 | 4-15 | 140 |
| 1” | 127 | 140 | 25 | 108 | 79.5 | 51 | 11.5 | 1.6 | 4-15 | 150 |
| 1 1/4” | 140 | 153 | 32 | 117 | 89 | 64 | 13 | 1.6 | 4-15 | 180 |
| 1 1/2” | 165 | 178 | 38 | 127 | 98.5 | 73 | 14.5 | 1.6 | 4-15 | 200 |
| 2” | 178 | 191 | 51 | 152 | 120.5 | 92 | 16 | 1.6 | 4-19 | 250 |
| 2 1/2” | 190 | 203 | 64 | 178 | 139.5 | 105 | 17.5 | 1.6 | 4-19 | 300 |
| 3” | 203 | 216 | 76 | 190 | 152.5 | 127 | 19.5 | 1.6 | 4-19 | 350 |
| 4” | 229 | 242 | 102 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 500 |
| 5” | 356 | 369 | 127 | 254 | 216 | 186 | 24 | 1.6 | 8-22 | 800 |
| 6” | 394 | 407 | 152 | 279 | 241.5 | 216 | 25.5 | 1.6 | 8-22 | 800 |
| 8” | 457 | 470 | 203 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | 1000 |
| 10” | 533 | 546 | 254 | 406 | 362 | 324 | 31 | 1.6 | 12-25 | 1000 |
300LB Main External Dimension(Unit:mm)
| DN | L | d | D | D1 | D2 | f | b | z-d | W | |
| RF | RTJ | |||||||||
| 1/2” | 140 | 151 | 14 | 95 | 66.5 | 35 | 14.5 | 1.6 | 4-15 | 140 |
| 3/4” | 152 | 165 | 19 | 117 | 82.5 | 43 | 16 | 1.6 | 4-19 | 140 |
| 1” | 165 | 178 | 25 | 124 | 89 | 51 | 17.5 | 1.6 | 4-19 | 150 |
| 1 1/4” | 178 | 191 | 32 | 133 | 98.5 | 64 | 19.5 | 1.6 | 4-19 | 180 |
| 1 1/2” | 190 | 203 | 38 | 156 | 114.5 | 73 | 21 | 1.6 | 4-22 | 200 |
| 2” | 216 | 232 | 51 | 165 | 127 | 92 | 22.5 | 1.6 | 8-19 | 250 |
| 2 1/2” | 241 | 257 | 64 | 190 | 149 | 105 | 25.5 | 1.6 | 8-22 | 300 |
| 3” | 283 | 299 | 76 | 210 | 168.5 | 127 | 29 | 1.6 | 8-22 | 350 |
| 4” | 305 | 321 | 102 | 254 | 200 | 157 | 32 | 1.6 | 8-22 | 500 |
| 5” | 381 | 397 | 127 | 279 | 235 | 186 | 35 | 1.6 | 8-22 | 800 |
| 6” | 403 | 419 | 152 | 318 | 270 | 216 | 37 | 1.6 | 12-22 | 800 |
| 8” | 502 | 518 | 203 | 381 | 330 | 270 | 41.5 | 1.6 | 12-25 | 1000 |
600LB Main External Dimension(Unit:mm)
| DN | L | d | D | D1 | D2 | f | b | z-d | W | ||
| RF | RTJ | ||||||||||
| 1/2” | 165 | 164 | 14 | 95 | 66.5 | 35 | 14.5 | 6.4 | 4-15 | 140 | |
| 3/4” | 190 | 190 | 19 | 118 | 82.5 | 43 | 16 | 6.4 | 4-19 | 140 | |
| 1” | 216 | 216 | 25 | 124 | 89 | 51 | 17.5 | 6.4 | 4-19 | 200 | |
| 1 1/4” | 229 | 229 | 32 | 133 | 98.5 | 64 | 21 | 6.4 | 4-19 | 200 | |
| 1 1/2” | 241 | 241 | 38 | 156 | 114.5 | 73 | 22.5 | 6.4 | 4-22 | 250 | |
| 2” | 292 | 295 | 51 | 165 | 127 | 92 | 25.5 | 6.4 | 8-19 | 300 | |
| 2 1/2” | 330 | 333 | 64 | 190 | 149 | 105 | 29 | 6.4 | 8-22 | 350 | |
| 3” | 356 | 359 | 76 | 210 | 168 | 127 | 32 | 6.4 | 8-22 | 500 | |
| 4” | 432 | 435 | 102 | 273 | 216 | 157 | 38.5 | 6.4 | 8-25 | 650 | |
