Heavy Duty Marine Grade Manhole Cover with Custom 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

Enhance the safety and operational excellence of your vessel with our expertly engineered Customized A Type Steel Manhole Cover. Crafted with meticulous precision from robust steel, this extraordinary cover is designed to conquer the harshest marine environments. It provides an impenetrable seal for your ship's manholes, ensuring enduring protection and unmatched reliability. Trust in its power to safeguard your marine investment with unwavering assurance.

Our expertly tailored A type design ensures a flawless fit for your specific ship model, guaranteeing superior defense against water intrusion and debris. With easy installation and minimal upkeep, this manhole cover is an essential upgrade for shipowners seeking to enhance their vessel's performance and longevity. Invest in the zenith of quality and dependability with our Customized A Type Steel Manhole Cover for Ships, brought to you by Zhenjiang Normanship Co., Ltd. Experience unparalleled peace of mind during your maritime adventures.

Main product

Company Profile

With a legacy of over two decades, our company is founded on a team of seasoned employees and highly skilled technical professionals, dedicated to crafting exceptional marine fittings. Our extensive range of workshops includes specialized facilities like a machining workshop, fitter workshop, aluminum alloy workshop, assembly workshop, and auxiliary workshop, each equipped with cutting-edge production facilities and comprehensive support amenities. Our diverse product portfolio features marine essentials such as steel, copper, aluminum, and stainless steel standard and non-standard doors, windows, covers, bollards with ladders, mooring ropes, and ventilation heads—all certified by eminent classification societies like CCS, ABS, GL, LR, BV, DNV, and RLNA. In alignment with WTO globalization trends, we adhere to stringent quality standards, proudly holding the ISO9002 international quality certification system. This commitment elevates our products to a superior echelon, ensuring they are serialized, standardized, and meet international quality benchmarks.

Our Advantages

Our certificate

1. Can you design products and provide drawings?
Certainly! We are equipped to design products tailored to your specific size specifications as outlined in your design drawings.
2. How long does the production cycle take?
The typical production cycle ranges from 15 to 20 working days, depending on the quantity of products needed.
3. Can ship accessories be customized?
Absolutely! We excel in providing custom solutions precisely tailored to meet your unique requirements.