Marine Cast Iron 53ON Air Vent Head

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Details

China Marine Cast Iron 53ON Air Vent Head:

Air Vent Head can be called as air pipe head, is used for the ventilation of the oil tank or water tank on the vessel.

Design Standard: JIS F3012-1990

Test Standard: JIS 7400-1996

Flange size as per JIS B2220 - 5K

* The flange size also can be manufactured according to 10K, 16K.

Function of Air Vent Head:

Air Vent Head (Air Pipe Head) is check valve used for the ventilation system of oil tank or water tank. It keeps the tank pressure as the design pressure by breathing or inhaling. When the pressure is high, it breathes. When the pressure is low, it inhales. And it also have the function of preventing the sea water, rain, insect, mouse and spark into the tank.

Main Material:

Body: FC200/FCD450 (Cast Iron/Nodular Iron)

Float Disc: SUS304 (Stainless Steel)

Rubber Ring: NBR

Screen: SUS304 (Stainless Steel)

Cover: Carbon Steel with Galv

Main Size List(mm):

Nominal Size d L1 L2 L3 H D C W Weight (kgs)
50 50 75 103 75 180 130 105 135 7
65 65 85 120 85 210 155 130 155 9
80 80 90 153 100 245 180 145 190 14
100 100 110 160 110 270 200 165 225 16
125 125 130 195 130 310 235 200 265 23
150 150 155 225 150 355 265 230 300 33
200 200 200 295 180 440 320 280 400 56
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