Heavy Duty Marine Manhole Cover with Custom Size and Ventilation

• 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

Step into a new era of marine safety and operational prowess with our expertly engineered Customized A Type Steel Manhole Cover. Crafted from durable steel, this exceptional cover is designed to tackle the harshest marine conditions, ensuring an impenetrable seal and unmatched protection for your ship's manholes.

Our bespoke A Type design guarantees a perfect fit for your unique ship model, offering superior defense against water ingress and debris. Experience the ease of simple installation and low maintenance, making this manhole cover an essential asset for any shipowner dedicated to optimizing vessel performance and longevity. Trust in the superior quality and reliability of our Customized A Type Steel Manhole Cover for Ships, brought to you by Zhenjiang Normanship Co., Ltd.

Main product

Company Profile

Our esteemed company boasts a team of seasoned employees and highly skilled technical experts who have been at the forefront of marine fittings production for over twenty years. We are proud to operate a comprehensive array of workshops, including machining, fitting, aluminum alloy, assembly, and auxiliary workshops, all outfitted with state-of-the-art production facilities and complete supporting amenities. Our extensive product portfolio features a wide range of marine products, such as standard and non-standard doors, windows, covers, bollards with ladders, mooring ropes, and ventilation heads, crafted from materials like steel, copper, aluminum, and stainless steel. These products are certified by prestigious classification societies, including CCS, ABS, GL, LR, BV, DNV, and RLNA. In alignment with WTO globalization trends, we have established high standards and stringent quality requirements, successfully implementing the ISO9002 international quality certification system. Our mission is to achieve product serialization, standardization, and international quality benchmarks, elevating our products to a superior level.

Our Advantages

Our certificate

1. Can you design products and provide drawings?
Yes, based on the size design drawings.
2. How long does the production cycle take?
Typically, the production cycle spans 15-20 working days, depending on the volume of products.
3. Can ship accessories be customized?
Absolutely.