Alloy Porthole 450mm x 265mm – Secure, Watertight Marine Window Hatch (Four-Latch Seal)

Meet the MaxTek Alloy Porthole 450mm x 265mm, a rugged, corrosion‑resistant window hatch engineered for demanding marine and industrial environments. This ready‑to‑seal porthole delivers a reliable, watertight opening that stays secure through spray, waves, and tough outdoor conditions.

Why this porthole stands out

• Four-latch waterproof seal: Evenly distributed clamping around the perimeter ensures a dependable seal, reducing maintenance while keeping panels clean and flush for a streamlined appearance.
• Precise sizing for strong installations: Overall 450mm x 265mm with a 412mm x 227mm cutout provides a balanced footprint that preserves panel strength on smaller hulls or rugged enclosures.
• Flush, space‑saving design: Flange depth of 19mm and overall depth of 40mm allow a neat, low‑profile installation in tight spaces without compromising durability.
• Robust construction: A corrosion‑resistant alloy body paired with a dedicated waterproof seal delivers long‑lasting performance in marine, coastal, and industrial settings.
• Easy retrofit and installation: The slim profile, combined with a clean corner radius of 43mm, makes retrofitting aging hatches or adding a viewing window straightforward on existing panels.
• Compliance and traceability: NZ Code designation NZ Code‑13626 J (dated 28.04.22) and Product code 13626 support reliable procurement and regulatory alignment.

Ideal use scenarios

Perfect for boats, yachts, ships, and rugged outdoor enclosures where dependable water ingress resistance matters. Whether retrofitting an old hatch, upgrading a viewing window on a durable enclosure, or equipping a small offshore platform, this porthole maintains visibility while protecting the interior from the elements.

What you gain with MaxTek

MaxTek brings a reputation for durable, purpose‑built marine parts designed to withstand harsh environments. This porthole combines strong materials, a proven sealing method, and precise dimensions to deliver predictable performance and straightforward installation, so you spend less time maintaining and more time on the task at hand.

Technical snapshot

• 450mm x 265mm
• Opening cutout: 412mm x 227mm
• Flange depth: 19mm
• Overall depth: 40mm
• Corner radius: 43mm
• Material: Alloy body with dedicated waterproof seal
• Regulatory: NZ Code‑13626 J – 28.04.22
• Product code: 13626

Turn this trustworthy porthole into the cornerstone of a dependable viewing window or secure hatch in harsh environments. If you’re upgrading marine hardware or installing a new enclosure opening, this four‑latch, waterproof seal design provides peace of mind and lasting performance.