The Niikura Kogyo 53CW-200 Air Vent Head with Screen is a marine self-closing air pipe head designed for installation at the open end of oil tank air pipes. It provides normal tank ventilation while incorporating an automatic closing mechanism intended to prevent seawater from entering the air pipe during severe weather. The 53CW-200 is the 200 mm nominal size version with a protective screen and JIS 5K flanged connection.
Key Features
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Genuine Niikura Kogyo No.53 series air vent head
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200 mm nominal bore
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Integrated screen
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Self-closing design
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Helps prevent seawater ingress into tank air piping
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Designed for oil tank ventilation
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JIS 5K flanged connection
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Maximum pipe velocity 20 m/s
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Designed for marine and shipboard installation
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IMPA reference 872363
Typical Applications
Suitable for marine and shipboard oil tank air/vent piping, including installations aboard commercial vessels, tankers, offshore vessels and other marine applications requiring a self-closing air pipe head.
