6 Inch Swing Type Check Valve / Wafer Flapper Check Valve DN15 ~DN1200
Swing Type Check Valve Application:
The Check valve is used for preventing the back-going of medium in pipelines and equipments, and the
pressure of medium will bring the result of opening and closing automatically.
When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
Swing Type Check Valve Standards
Design and manufacture as BS1868, ANSI B16.34
Face to face dimensions as ANSI B16.10
End flange dimension as ANSI B16.5
Pressure-temperature ratings as ANSI B16.34
Pressure test as API 598
Applicable Medium: water ,gas,oil,and other causticity medium.
Application:
Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.
When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
| Specification | | | | | |
| 1 | Face to face according to DIN3202-K3. |
| 2 | Flange drilling according to ANSI125/150;DIN2501PN10/PN16;AS2129 Table E;JIS10K ect. |
| 3 | Working Pressure: PN10;PN16 |
| Main Parts and Materials |
| Number | Part Name | Material |
| 1 | Body | GGG50 |
| 2 | Disc | SS304 |
| 3 | Stem | SS304 |
| 4 | Spring | SS304 |
| 5 | Washer | PTFE |
| 6 | Washer | PTFE |
| 7 | Gasket | NBR |
| 8 | Hex nut | A193A |
| Main Dimensions |
| DN | D | D1 | D2 | L | R | t |
| 50 | 107 | 65 | 40 | 43 | 27 | 18.4 |
| 65 | 127 | 80 | 60 | 46 | 35 | 19.8 |
| 80 | 142 | 94 | 70 | 64 | 42 | 27.7 |
| 100 | 162 | 117 | 88 | 64 | 50 | 27.7 |
| 150 | 218 | 171 | 134 | 76 | 77 | 31.6 |
| 200 | 273 | 224 | 182 | 89 | 102.5 | 32.9 |
| 300 | 378 | 310 | 260 | 114 | 146 | 43.3 |
| 350 | 446 | 360 | 298 | 127 | 170 | 45.3 |
| 400 | 488 | 410 | 350 | 140 | 195 | 52.3 |
| 450 | 546 | 450 | 385 | 152 | 215 | 58.2 |
| 500 | 594 | 505 | 438 | 152 | 238 | 58.3 |
| 600 | 700 | 624.5 | 538 | 178 | 292 | 74.6 |
| 700 | 820 | 720 | 662 | 229 | 345 | 96 |
| 800 | 930 | 825 | 762 | 241 | 394 | 99 |
Test Pressure
| Test Item | Shell Test | Seal Test | Back Seal Test | Air Seal Test |
| Medium | Water | Air |
| Unit | MPa | lbf/in2 | MPa | lbf/in2 | MPa | lbf/in2 | MPa | lbf/in2 |
| Pressure (Class) | 150 | 3.1 | 450 | 2.2 | 315 | 2.2 | 315 | 0.5-0.7 | 60-100 |
| 300 | 7.8 | 1125 | 5.6 | 815 | 5.6 | 815 |
| 400 | 10.3 | 1500 | 7.6 | 1100 | 7.6 | 1100 |
| 600 | 15.3 | 2225 | 11.2 | 1630 | 11.2 | 1630 |
| 900 | 23.1 | 3350 | 16.8 | 2440 | 16.8 | 2440 |
| 1500 | 38.4 | 5575 | 28.1 | 4080 | 28.1 | 4080 |
Product Tags:
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6 Inch Swing Type Check Valve / Wafer Flapper Check Valve DN15 ~DN1200 Images
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