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Marine Manhole Cover Type C

  • China (Mainland)

  • Deyuan marine

  • CB/T19-2001 C

  • Bolted

  • steel Q235

  • CB/T19-2001

  • Flush, Raised,Sunk

  • 10,12mm

  • iron pallet

  • 10-60days according to the quantiy and the required certificate


Marine Manhole Cover Type C


Product Description

Standard: CB/T19-2001

Marine Manhole Cover is used for manhole on the oil tanks, water tanks, voil tanks and other tanks on various shipes. It is fixed on the falt positions on the hold bottom, deck and bulkhead.There are Type A,B,C & D. The shape can be round, oval, square.

*Manhole Cover Type C is Marine Sunk Manhole Cover.And in GB11628-89, it is Type D.


Main Material:

Cover: Carbon Steel

Coaming: Carbon Steel

Seal Ring: NBR

Bolt, Nut, Washer: Stainless Steel, Caron Steel , Copper


Main Size List(mm):

Model Nominal Size L L1 L2 B B1 B2 S Bolt Weight
LxB Diamter Quantity kgs
C1 450x350 450 470 650 350 470 550 10 M20 16 116.6
12 121.6
14 128.6
600x400 600 720 800 400 520 600 10 20 136.1
12 142.2
14 149.5
800x600 800 920 1000 600 720 800 12 26 171.5
14 182.6
18 206.8
C2 800x400 (Oval) 800 930 1010 400 530 610 12 24 102.8
14 118.2
18 146.2
18 76.2


Packaging & Shipping





Our Services


One-Stop Service: We supply all kinds of marine and offshore products, from securing the order to final delivery, we work hard to make sure everything goes as required and with high standard quality.


High quality: We are here to provide you with safe and reliable goods. Quality is always our main priority, our quality control program make sure that no defect or poor workmanship will be supplied. According to customer's requirement, our quality can meet the rules and standards of International Class Society such as LR, ABS, DNV, GL, BV, NK, KR, RINA, IRS and CCS.


Professional: With more than 7 years of experience in marine and offshore field, our marketing and technical team can assure you that we can understand your requirement well and deal with your inquiry professionally.


Fast Delivery: We cooperate with the reliable logistic partner, including land, air and sea to help us deliver the goods to your hand on time.



Reliable Partner: With 95% clients' satisfactory, we are confident to be your reliable partner.



Company Information

 We supply all kinds of marine and offshore products for various vessels including VLCC, FSO, FPSO, LNGC, LPGC, Container Ships, Cargo Liners, Bulk Carriers, Oil Tankers and oil platform, from securing the order to final delivery, we work hard to make sure everything goes as required and with high standard quality.





1. When inquiry, the size is necessary.

2. All inquiry will be replied within 24 hours.