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 | |||||
PN10 Main External Dimension(Unit:mm)
| DN | L | D | D1 | D2 | b | z-d | H | W |
| 1/2” | 265 | 95 | 65 | 45 | 14 | 4-φ14 | 95 | 140 |
| 3/4” | 280 | 105 | 75 | 55 | 14 | 4-φ14 | 105 | 160 |
| 1” | 310 | 115 | 85 | 65 | 14 | 4-Φ14 | 113 | 180 |
| 1 1/4” | 370 | 135 | 100 | 78 | 16 | 4-Φ18 | 135 | 250 |
| 1 1/2” | 440 | 145 | 110 | 85 | 16 | 4-φ18 | 142 | 300 |
| 2” | 510 | 160 | 125 | 100 | 16 | 4-φ18 | 165 | 350 |
| 2 1/2” | 580 | 180 | 145 | 120 | 18 | 4-Φ18 | 175 | 350 |
| 3” | 665 | 195 | 160 | 135 | 20 | 8-Φ18 | 190 | 400 |
| 4” | 760 | 215 | 180 | 155 | 20 | 8-Φ18 | 225 | 500 |
| 5” | 850 | 245 | 210 | 185 | 22 | 8-Φ18 | 245 | 600 |
| 6” | 940 | 280 | 240 | 210 | 24 | 8-φ23 | 265 | 800 |
| 8” | 1050 | 335 | 295 | 265 | 26 | 12-φ23 | 305 | 800 |
| 10” | 1180 | 405 | 355 | 320 | 30 | 12-φ25 | 370 | 1300 |
PN16 Main External Dimension(Unit:mm)
| DN | L | D | D1 | D2 | b | z-d | H | W |
| 1/2” | 265 | 95 | 65 | 45 | 16 | 4-φ14 | 95 | 140 |
| 3/4” | 280 | 105 | 75 | 55 | 16 | 4-φ14 | 105 | 160 |
| 1” | 310 | 115 | 85 | 65 | 16 | 4-φ14 | 113 | 180 |
| 1 1/4” | 370 | 135 | 100 | 78 | 18 | 4-Φ18 | 135 | 250 |
| 1 1/2” | 440 | 145 | 110 | 85 | 18 | 4-Φ18 | 142 | 250 |
| 2” | 510 | 160 | 125 | 100 | 20 | 4-Φ18 | 154 | 350 |
| 2 1/2” | 580 | 180 | 145 | 120 | 22 | 8-Φ18 | 175 | 350 |
| 3” | 665 | 195 | 160 | 135 | 22 | 8-Φ18 | 190 | 450 |
| 4” | 760 | 230 | 190 | 160 | 24 | 8-φ23 | 225 | 450 |
| 5” | 850 | 270 | 220 | 188 | 28 | 8-φ25 | 245 | 600 |
| 6” | 940 | 300 | 250 | 218 | 30 | 8-φ25 | 265 | 800 |
| 8” | 1050 | 360 | 310 | 278 | 34 | 12-φ25 | 305 | 1200 |
| 10” | 1180 | 425 | 370 | 332 | 36 | 12-φ30 | 370 | 1400 |
