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NIIKURA AIR VENT HEAD 53-ON Marine Single Float Disk Side Ventilation Cap | JIS F3012 Standard
The NIIKURA AIR VENT HEAD 53-ON, manufactured by QINGDAO GREAT MARINE MACHINERY CO., LTD (Official Website: www.greatmarinevalve.com), is a premium marine automatic ventilation cap (breather cap/air pipe head) compliant with JIS F3012 and IACS P3 standards. Designed for harsh marine environments, it maintains pressure balance in tanks (oil, fresh water, ballast, sewage) by preventing overpressure/vacuum and blocking seawater/rainwater ingress, ensuring tank system safety and longevity.
IMPA872301 53-ON 5k50
IMPA872302 53-ON 5k65
IMPA872303 53-ON 5k80
IMPA872304 53-ON 5k100
IMPA872305 53-ON 5k125
IMPA872306 53-ON 5k150
IMPA872307 53-ON 5k200
Key Features & Core Advantages
Automatic Anti-Backflow: High-precision SUS304 float disk with snap lip seal. Opens for air circulation normally; instantly seals to prevent backflow in rough seas.
Multi-Layer Protection: Integrated flame screen, dust/insect-proof design reduces contamination, corrosion and fire risks.
Global Compliance: Adheres to JIS F3012/IACS P3; customizable with CCS, ABS, BV, DNV, LR certifications for global projects.
Corrosion-Resistant: Ductile iron (QT450-10) valve body, SUS304 internal parts with anti-corrosion coating for long service life.
Widely used in bulk carriers, container ships, oil tankers, yachts, the NIIKURA AIR VENT HEAD 53-ON (manufactured by QINGDAO GREAT MARINE VALVE CO., LTD) is installed at the highest point of vent pipes for:
Marine fuel oil tanks
Fresh water storage tanks
Ballast tanks
Sewage tanks
Other marine storage tanks that require ventilation and anti-backflow protection
Installation & Maintenance Guidelines
Select matching DN size and JIS 5K flange per tank type (oil/water/ballast).
Install at tank vent pipe highest point, away from fire/heat sources.
Ensure seal ring integrity and even flange bolt tightening during installation.
Regularly check float disk flexibility and replace aged seals timely.
Clean ventilation ports to maintain unobstructed air flow.
Why Choose NIIKURA AIR VENT HEAD 53-ON Manufactured by QINGDAO GREAT MARINE VALVE CO., LTD?
As a professional marine equipment manufacturer, QINGDAO GREAT MARINE VALVE CO., LTD specializes in NIIKURA AIR VENT HEAD 53-ON R&D and production. Our products meet JIS F3012/IACS P3 standards with strict quality control, offering customizable certifications, factory-direct prices, flexible terms (MOQ 1 Pc) and 1-Year Warranty. We provide tailored solutions for shipyards, distributors and maintenance companies worldwide.
AIRVENT HEAD 5K 65MM CAST IRON 53-ON CHINA STOCK
AIRVENT HEAD 5K 80MM CAST IRON 53-ON CHINA STOCK
AIRVENT HEAD 5K 100MM CAST IRON 53-ON CHINA STOCK
AIRVENT HEAD 5K 125MM CAST IRON 53-ON CHINA STOCK
AIRVENT HEAD 5K 200MM CAST IRON 53-ON CHINA STOCK
Related Products:
1,53C/53CW Marine Cast Iron Flange Air Vent Head 5K 2,53P/53PW Marine Cast Iron Flange Air Vent Head 5K 3,53-ON/OS Marine Cast Iron Flange Air Vent Head 5K 4,JIS 53-SDT-A08 Marine Cast Iron Double Flange Air Vent Head 5K/10K 5,JIS-KS91A-121 Marine Cast Iron Flange Air Vent Head 5K/10K 6,JIS FS Marine Cast Iron Float Ball Type Air Vent head 5K/10K 7,DIN Marine Cast Iron Flange Air Vent Head PN6/PN10 8,DIN Marine Steel Welding Air Vent Head PN10
9, Marine Aluminum Float Ball Air Vent head 5K/10K 10,CB457-94 Marine Oil Tank Air Pipe Head PN10 11,CB/T3594-94 A/AS Marine Cap Type Air Vent Head PN10 12,CB/T3594-94 B/BS Marine Gooseneck Air Vent Head PN10 13,CB/T3594-94 C/CS Marine Sounding Air Vent Head PN10 14,CB/T3594-94 D/DS Marine Floating Oil Tank Air Vent Head PN10 15,CB/T3594-94 E/ES Marine Floating Bilge Tank Air Vent Head PN10 16,CB/T3594-94 FS Marine Ball Float Oil&Bilge Tank Air Vent Head PN10 17,CB604-93 Oil Tank Air Vent Head Flame Screen 18,CBM1067-81 A Marine Cap Air Vent Head 19,CBM1067-81 BI/BII Marine Gooseneck Air Vent Head 20,CBM1067-81 C Marine Injection Air Pipe Head 21,CBM1105-82 Marine Oil Tank Air Pipe Head 22,CBM1106-82 Marine Bilge Tank Air Pipe Head
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2015
Employee Number:
10~50
Ecer Certification:
Site Member
QINGDAO GREAT MARINE MACHINERY CO,.LTD is professional manufacturer and exporter of all kinds of marine valves, air vent heads and piping accessories. All of our products are releated to Marine(ship,Vessel),We Focus on marine products more than 10 years.
Main products as follow:
JIS Marine Val... QINGDAO GREAT MARINE MACHINERY CO,.LTD is professional manufacturer and exporter of all kinds of marine valves, air vent heads and piping accessories. All of our products are releated to Marine(ship,Vessel),We Focus on marine products more than 10 years.
Main products as follow:
JIS Marine Val...