Air vent heads by Winteb
Seawater-resistant air vent heads with best-in-class leakage protection
Air vent heads - also referred to as tank vent check valves or air pipe heads - allow air to safely enter and exit a tank, preventing overpressure or vacuum and protecting tanks, piping, and ship structures from leakage and damage.
Winteb designs and manufactures these vent heads entirely in-house. With our smart engineering, premium materials, and Dutch craftsmanship, our products are known worldwide as the gold standard in reliability and seawater resistance.
Why choose Winteb air vent heads?
Our air vent heads are built for maximum performance in the most demanding marine conditions. Every unit is handmade in our factory in the Netherlands and complies with the strictest international standards.
Key features of our air vent heads
✔ IMO 3573 type approved (watertight) for maximum leakage protection and loadlines.
✔ Constructed from seawater resistant alumnium for outstanding corrosion resistance.
✔ 5-year full maintenance free warranty if fitted according to our Fitting Instructions.
✔ Stainless Steel (Corrosion-free) bolts - specially coated to prevent oxidation
✔ Lightweight, robust and low-maintenance
✔ Rapid delivery: standard models ship in 1 working day, custom versions within 5 days
Multiple vent head types for every tank setup
Every tank design has different needs. That’s why Winteb offers a full range of air vent head configurations to fit any installation situation:
- Deck-mounted version: Installed directly on top of the tank, above deck
- Side-flange model (internal mounting): Perfect for enclosed or protected spaces
- Intermediate version: For mid-level pipe connections
- Liquid mud valve (LMV): Specially engineered for supply vessels
- Heated vent heads: Built for Arctic or low-temperature environments
Thanks to our modular designs and broad range of diameters, our air vent heads can be integrated into nearly any newbuild or retrofit project.
Engineered for lifetime performance
Winteb air vent heads are proven to outperform low-cost alternatives. Our customers choose us for our:
- Extremely low maintenace, cost saving in the long run;
- Watertight according to IMO3573, enabling ships to carry more load;
- Smallest and lightest design in the world, saving space and weight;
- Superior long-term durability: The aluminium body stays in top condition, year after year;
- Full quality control ISO9001: Each vent head is crafted in-house - no outsourcing;
- Fast lead times: Standard units ship from stock, and custom builds are ready in just 5 working days.
Shipowners worldwide rely on Winteb for dependable, maintenance-friendly air vent heads.
Fully certified for global classification
Our vent heads meet the requirements of major classification societies including DNV, ABS, Bureau Veritas, RINA, and Lloyd’s Register. All units come with full documentation and certificates.
Request your quote now
Looking for a seawater-resistant, certified air vent head that’s built to last? Contact us today or request a quote directly.