he flange type fluorine lining check valve is suitable for aqua regia, sulfuric acid, hydrochloric acid
Executive standard for flange type fluorine lined check valve
| Design and manufacture | GB/T12235、GB/T12236 |
| Structural length | HG/T3704、GB/T12221 |
| Flange size | GB/T9113、EN1092、ASME B16.5 |
| structural style | Vertical lifting, swing and straight lifting |
| Nominal pressure | 0.6、1.0、1.6、2.5MPa,Class150 JIS 10K |
| Pressure test | GB/T13927、API598 |
Main performance specification of flange fluorine lined check valve
| Product model | Engineering pressure PN（MPa） | Test pressure | working pressure（MPa） | ℃ | Applicable media |
| housing | seal up |
| H41F4-16 | 1.6 | 2.4 | 1.76 | 1.6 | ≤180 | Various concentrations of corrosive gases and liquids such as strong alkali, sulfuric acid and hydrochloric acid |
| H41F46-16 | ≤160 |
Material of main parts
| model | Part name | Body / bonnet | Disc / stem |
| H41F4-16 | texture of material | Cast steel lined with polytetrafluoroethylene | Carbon steel lined with polytetrafluoroethylene |
| H41F46-16 | Cast steel lined with poly (perfluoroethylene propylene) | Carbon steel lined with poly (perfluoroethylene propylene) |
法兰式衬氟止回阀主要外形连接尺寸
| pressure（MPa） | Nominal diameter | Main dimensions | reference value |
| DNmm | NPSinch | L | L1 | L2 | D | D1 | D2 | b | f | Z-Φd | WT(kg) |
| PN1.0 | 15 | 1/2 | 130 | 130 | 82 | 95 | 65 | 45 | 16 | 2 | 4-Φ14 | 5 |
| 20 | 3/4 | 150 | 150 | 90 | 105 | 75 | 58 | 18 | 2 | 4-Φ14 | 6 |
| 25 | 1 | 160 | 160 | 100 | 115 | 85 | 68 | 18 | 2 | 4-Φ14 | 7 |
| 32 | 1¼ | 180 | 180 | 110 | 140 | 100 | 78 | 18 | 2 | 4-Φ18 | 8 |
| 40 | 1½ | 200 | 200 | 125 | 150 | 110 | 88 | 18 | 2 | 4-Φ18 | 10 |
| 50 | 2 | 230 | 230 | 140 | 165 | 125 | 102 | 18 | 2 | 4-Φ18 | 12 |
| 65 | 2½ | 290 | 290 | 160 | 185 | 145 | 122 | 18 | 2 | 4-Φ18 | 18 |
| 80 | 3 | 310 | 310 | 185 | 200 | 160 | 138 | 20 | 2 | 4-Φ18 | 28 |
| 100 | 5 | 350 | 350 | 210 | 220 | 180 | 158 | 20 | 2 | 4-Φ18 | 37 |
| 125 | 5 | 400 | 400 | 250 | 250 | 210 | 188 | 22 | 2 | 4-Φ18 | 58 |
| 150 | 6 | 480 | 480 | 300 | 285 | 240 | 212 | 22 | 2 | 8-Φ22 | 75 |
| 200 | 8 | 600 | 495 | 380 | 340 | 295 | 268 | 24 | 2 | 8-Φ22 | 120 |
| 250 | 10 | 730 | 600 | 420 | 395 | 350 | 320 | 26 | 2 | 12-Φ22 | 160 |
| PN1.6 | 15 | 1/2 | 130 | 130 | 80 | 95 | 65 | 45 | 16 | 2 | 4-Φ14 | 5 |
| 20 | 3/4 | 150 | 150 | 90 | 105 | 75 | 58 | 18 | 2 | 4-Φ14 | 6 |
| 25 | 1 | 160 | 160 | 100 | 115 | 85 | 68 | 18 | 2 | 4-Φ14 | 7 |
| 32 | 1¼ | 180 | 180 | 110 | 140 | 100 | 78 | 18 | 2 | 4-Φ18 | 8 |
| 40 | 1½ | 200 | 200 | 125 | 150 | 110 | 88 | 18 | 2 | 4-Φ18 | 10 |
| 50 | 2 | 230 | 230 | 140 | 165 | 125 | 102 | 18 | 2 | 4-Φ18 | 12 |
| 65 | 2½ | 290 | 290 | 160 | 185 | 145 | 122 | 18 | 2 | 8-Φ18 | 18 |
| 80 | 3 | 310 | 310 | 185 | 200 | 160 | 138 | 20 | 2 | 8-Φ18 | 28 |
| 100 | 4 | 350 | 350 | 210 | 220 | 180 | 158 | 20 | 2 | 8-Φ18 | 37 |
| 125 | 5 | 400 | 400 | 250 | 250 | 210 | 188 | 22 | 2 | 8-Φ18 | 58 |
| 150 | 6 | 480 | 480 | 300 | 285 | 240 | 212 | 22 | 2 | 8-Φ22 | 75 |
| 200 | 8 | 600 | 495 | 380 | 340 | 295 | 268 | 24 | 2 | 12-Φ22 | 120 |
| 250 | 10 | 730 | 600 | 420 | 405 | 355 | 320 | 26 | 2 | 12-Φ26 | 160 |
