Product Name: Shatterproof Acrylic Boat Porthole Brand Name: mingyang Weight (kg): < 1000kg Color: Silver usage: Boat&Yacht&Ship Payment: T/T Paypal Service: OEM ODM Logo: Accept Customized Logo Materail: aluminium Advantage: High-Quality And Manufacture Packing: Inner Bubble Bags +carton / Carton + Wooden Crate
✅ Materials
Frame: Anodized aluminum alloy—lightweight, high-strength, resistant to salt-spray corrosion, and rust-resistant.
Window Pane: Tinted, thickened acrylic (PMMA)—impact-resistant, shatterproof, UV-protected, and provides shading and thermal insulation.
Seals: Rubber gaskets—ensure a watertight and airtight seal when closed.
Hardware: Hydraulic support struts, engineering-plastic latches with red safety locks, and stainless steel hinges and fasteners.
✅ Structure
A circular, top-opening porthole featuring dual latches and a single hydraulic support strut. It utilizes a split-flange base with pre-drilled mounting holes. The hydraulic strut allows the lid to remain open at various angles, facilitating ventilation, while the dual-locking mechanism ensures a secure, airtight seal.
✅ Applications
Designed for lighting and ventilation in yachts, houseboats, speedboats, and RVs. It can also serve as an emergency escape hatch. Combining viewing, ventilation, and escape capabilities, it is a popular choice for marine retrofitting.
✅ Product Features
1. Anodized aluminum alloy frame: Lightweight—lighter than stainless steel alternatives, making it ideal for vessels where weight is a critical factor.
2. Hydraulic support: Automatically holds the lid open, allowing for hands-free operation and convenient ventilation.
3. Dual latches with red safety locks: Prevent accidental opening while underway, ensuring high safety standards.
4. Tinted acrylic: Provides sun protection and thermal insulation; shatter-resistant for safe marine use.
5. Split-flange design: Simplifies installation and ensures a reliable, stable seal.
6. Available in various diameters; customization options supported.
✅ Usage Scenarios
Suitable for installation on the bulkheads of yachts, houseboats, recreational speedboats, pontoon enclosures, and floating RVs/houseboats.



Contact: David zhang
Phone: +86-15318388980
Tel: +86-546-8078069
Email: sales@mingyangmetals.com
Add: Building 28, Ecological Valley, No. 38 Huanghe Road, Dongying District, Dongying City, Shandong Province