Seawater Filter (CB/T 497-94)
1.Description:
- Standard: CB/T 497-97
- Type: A, AS, BL, BLS, BR, BRS
- As an equipment for protecting the system, seawater filter is installed in water piping in order to prevent living things in water from entering into the pipe or pump.
- nominal diameters: DN 40 ~ DN 500
- For special sizes, we can design especially according to actual operating condition.
2. Materials:
Item | Part Name | Material |
1 | Body | Steel Q235-B |
2 | Filter Element | SUS 304 |
3 | Gasket | NBR |
4 | Cover | Steel Q235-B |
5 | Screw Plug | Copper |
6 | Ring Nut | SUS 304 |
7 | Swing Bolt | Steel Q235-B |
8 | Pin Shaft | Steel Q235-B |
9 | Screw Plug | Copper |
3. Dimension:
Size | D0 | H | H1 | L |
DN40 | 133 | 241 | 92 | 135 |
DN50 | 133 | 241 | 92 | 135 |
DN65 | 159 | 316 | 122 | 155 |
DN80 | 180 | 357 | 152 | 175 |
DN100 | 245 | 410 | 182 | 210 |
DN125 | 273 | 433 | 182 | 210 |
DN150 | 299 | 467 | 190 | 245 |
DN200 | 351 | 537 | 240 | 270 |
DN250 | 459 | 675 | 315 | 300 |
DN300 | 500 | 751 | 340 | 330 |
DN350 | 580 | 921 | 508 | 425 |
DN400 | 669 | 975 | 515 | 475 |
DN450 | 754 | 1025 | 550 | 525 |
DN500 | 854 | 1120 | 630 | 590 |
4. Technical requirement:
- The ratio of the passage and the nominal area is not less than 3 times.
- The filter shall be hot dip galvanized and zinc thickness not less than 80 microns.
- The filter should be carried out the strength test with 0.15 Mpa water pressure and no leakage within 5 minutes.
- Flanges standard is according to the user’s requirements.