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.

seawater filter


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

seawater filter


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.

 

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