You are here: Home / Deck Fittings / Hatch / DF-505 Flush Multi-Screw Oval Hatch​

Deck Fittings

loading

Share to:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button

DF-505 Flush Multi-Screw Oval Hatch​

DF-505 FLUSH MULTI-SCREW OVAL HATCH 
Material: Mild steel or stainless steel
Color: Grey or customized
 
Availability:
Quantity:
  • DF-505


DF-505 FLUSH MULTI-SCREW OVAL HATCH


DF-505 Flush Multi-Screw Oval Hatch


MODEL NO.

A B C D WT.(lbs)
DF-505 30 1/8" 22 1/8" 23" 15" 160


NO. Name & Specifications Qty Material
1 COVER 1 STEEL
2 RING 1 STEEL
3 GASKET 1 BUNA-N
4 FLAT HEAD  SOCKET SCREW 26 STAINLESS 


Leakage test: Pressure 0.04MPa

Other optional extras include: hot dipped galvanized, stainless steel construction, and customing heights


Product Overview


The DF-505 Flush Multi-Screw Oval Hatch combines sleek aesthetics with functional performance, addressing the growing demand for fuel-efficient, low-profile marine hardware . Designed to sit nearly flush with the deck surface, this oval hatch minimizes aerodynamic drag and deck obstruction while providing secure access to below-deck compartments. As vessel designers increasingly focus on both performance and appearance, this hatch offers an ideal solution for modern yachts, passenger vessels, and high-performance boats where visual appeal and operational efficiency are equally important.


Product Features


Low-Profile Design

With a 10mm elevation above the deck surface, the hatch creates minimal wind resistance and trip hazards compared to traditional raised hatches . This ultra-low profile contributes to improved fuel efficiency by reducing aerodynamic drag, particularly beneficial for high-speed vessels. The smooth transition between hatch and deck enhances the vessel's aesthetic appeal.


Precision Fastening System

Utilizing multiple strategically placed screws rather than bolts, the hatch allows for finer adjustment of sealing pressure across the oval shape. This screw configuration accommodates the natural curvature of the oval design, ensuring uniform gasket compression from end to end. The countersunk screws sit flush with the cover surface, eliminating snags and reducing wind resistance.


UV-Resistant Components

All external surfaces feature UV-stabilized finishes that resist fading and degradation from prolonged sun exposure . The gasket material incorporates UV inhibitors to maintain elasticity and sealing performance in tropical climates and extended sunlight exposure. Metal components receive specialized coating to prevent discoloration and corrosion.


Applications


Perfect for luxury yachts and passenger ferries where aesthetics and safety are paramount, this flush hatch provides discreet access to storage compartments, electrical panels, and below-deck living spaces . Its aerodynamic design makes it suitable for high-performance boats and racing vessels where speed and fuel efficiency are critical. The low profile works exceptionally well in passenger areas, walkways, and lounging decks where an unobstructed surface is desirable. It is also commonly specified in modern naval vessels requiring equipment access without compromising stealth capabilities.


FAQ


How does the multi-screw design compare to multi-bolt systems?

The multi-screw configuration allows more precise pressure adjustment across the oval shape, better accommodating the geometric challenges of sealing curved surfaces. This design also eliminates protruding bolt heads, contributing to the hatch's flush, low-profile appearance.

Can this hatch be retrofitted to replace older models?

Yes, the design matches standard cutouts for many oval hatch installations, making it a practical retrofit option for vessel upgrades . This compatibility allows for aesthetic and performance improvements without major deck modifications.

What makes this hatch suitable for passenger areas?

The flush surface eliminates trip hazards in high-traffic passenger zones, while the smooth edges prevent clothing snags. The secure fastening system ensures safe operation even in rough seas with passengers nearby.

How does the oval shape benefit functionality?

The oval design provides superior access compared to circular hatches of similar area, better accommodating tools, equipment, and personnel movement through the opening. The elongated shape works particularly well with the natural movement patterns of those accessing below-deck areas.

What maintenance is required to preserve the flush appearance?

Regular cleaning with mild detergents prevents debris buildup around the edges that could affect the flush profile. The screws should be checked periodically for proper torque, and the gasket inspected annually for signs of compression set or degradation.


Previous: 
Next: 
HEE and Rijiu have the capabilities to manufacture almost any of your needs for just-in-time delivery anywhere in the world.
Leave a Message
Get In Touch With Us

Quick Links

Contact Us

 Phone : +86-512-5266-2139
 E-Mail : hcee@cshcee.com
 Address : No.99 Tongjiang Road, Meili Town, Changshu City, Jiangsu Province, PRC

Hot Products

FLUSH WATERTIGHT T-HANDLE HATCH
Model: DF-430-18
Material: ASTM A36
Standard finishing: Paint primer
Color: As your request
MOQ: 5pcs
Packing: Plywood pallet
0
0
4 DOG RAISED WATERTIGHT HATCH
Model: DF-343-5
Material: Steel
Weight: 99lbs
Standard finishing: Paint primer
Color: Grey or As your request
MOQ: 5pcs
Packing: Plywood pallet
0
0

The DF-274-5 2 DOG RAISED WATERTIGHT HATCH is a premium marine deck fitting engineered by HEE (Changshu HaiChuan Engineering & Equipment Co., Ltd.), a leading China-based manufacturer specializing in marine and offshore equipment. Designed to address the critical need for reliable water resistance in harsh marine environments, this hatch serves as a protective barrier for deck openings, preventing water ingress, dust accumulation, and corrosion that could damage internal components of vessels, offshore platforms, or port infrastructure.

0
0
​Copyright © 2023 Changshu HaiChuan Engineering & Equipment Co.,Ltd. All rights reserved. | Sitemap | Privacy Policy | Support By Leadong