Custom Heavy Duty Marine Manhole Cover with Steel Ventilation Features

• After-sales Service: None
• Warranty: 6-12months
• Application: Boat
• Model NO.: Marine manhole cover
• Standard: ISO
• Customized: Customized
• Surface Treatment: Sandblasting
• Material: Steel
• Type: Cover
• Area of Ventilation: 0.023-0.045 M2
• Customization: Available
• Max Clear Size: 1050*2200mm
• Vision: Round Vision Panel Size: Dia. 280mm
• Transport Package: Tito or Tray
• Specification: 700*1500~600*1400
• Trademark: Navigation
• Origin: China

Product Description

Product introduction

Nominal size     L*B	Clear size of opening   L1*B1*R	Cover dimension     L2*B2	Cover plate thickness   t	Coaming		Wing type nut cleat		Weight   Kg
				to thickness	H Height	Diameter	Quantity
450*630	420*600*100	508*688	4	4.6	100   150   200   250   450   600	M16	4	28.7
		512*692	6	6.8				35.4
		516*696	8	8.11				42.0
530*530	500*500*100	588*588	4	4.6				28.5
		592*592	6	6.8				35.1
		596*596	8	8.11				41.7
630*630	600*600*100	688*688	4	4.6		M20		33.5
		692*692	6	6.8				42.4
		696*696	8	8.11				51.2
630*830	600*800*100	688*888	4	4.6				39.7
		692*892	6	6.8				51.2
		696*896	8	8.11				62.3
830*830	800*800*100	888*888	4	4.6			6	51.2
		892*892	6	6.8				65.3
		896*896	8	8.11				79.4
830*1230	800*1200*100	888*1288	4	4.6			8	71.4
		892*1292	6	6.8				91.5

Product Display

Elevate your vessel's safety and operational excellence to new heights with our meticulously crafted Custom Heavy Duty Marine Manhole Cover, featuring innovative steel ventilation elements that redefine durability and security. Expertly forged from robust steel, this manhole cover is designed to withstand even the harshest marine environments, ensuring an impenetrable seal that safeguards your vessel's manholes with unmatched reliability.

The customized A type design of our manhole cover guarantees a flawless fit tailored for your specific ship model, delivering superior protection against water intrusion and debris. Its straightforward installation process and minimal maintenance needs make it an essential component for any shipowner seeking to boost their vessel's performance and longevity. Invest in unrivaled quality and robustness with our Custom Heavy Duty Marine Manhole Cover, brought to you by Zhenjiang Normanship Co., Ltd.

Main product

Company Profile

Nanjing Lishui Navigation Ship Accessories Co., Ltd. is staffed with a team of seasoned professionals and technical experts, boasting over two decades of experience in the marine fittings industry. Our comprehensive facilities encompass a variety of specialized workshops – machining, fitter, aluminum alloy, assembly, and auxiliary – each outfitted with state-of-the-art production equipment and full supporting amenities. Our diverse product lineup includes a wide range of marine items, from steel, copper, aluminum, and stainless steel, both standard and non-standard, encompassing doors, windows, covers, and bollards with ladders, mooring ropes, and ventilation heads. All products proudly carry certifications from esteemed classification societies such as CCS, ABS, GL, LR, BV, DNV, and RLNA. In response to WTO globalization trends, we have adopted rigorous product quality standards and successfully implemented the ISO9002 international quality certification system, striving for serialization, standardization, and international quality excellence, thereby elevating our products to a superior echelon.

Our Advantages

Our certificate

1. Can you design products and provide drawings?
Yes, we offer product design services and can provide detailed design drawings tailored to your specifications.
2. How long does the production cycle take?
The production cycle typically spans 15-20 working days, contingent on the quantity of products required.
3. Can ship accessories be customized?
Absolutely, customization of ship accessories is available to meet your specific needs.