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  2. Applications
  3. Marine / Sub-Sea-Technology
  4. Seawater Piping

Erosion resistant coatings for seawater piping

Admittedly, in most piping systems on board, good corrosion protective paints are a fine way to go. In polluted waters with a high sediment content, however, things may quickly look different: Degradation problems start in the pipe bends and continue over time through the flanges into the pipe itself.

On LNG tankers where the ballast water system may have to be used as a safety system for cargo cooling - "more" is required. There, longer service life, impact resistance and a flange-to-flange corrosion protection are an extremely important safety plus. A case for our sprayable MetaLine elastomers – more resistant than rubber linings and more cost-effective too!

Ask us about: seawater piping, fire extinguishing systems, scrubber piping, ballast water pipes

MetaLine Series 700 – MetaLine Series 700 coatings are dynamically highly stressable rubberlike spray-coatings. Typically applied in a thickness of approx. 1.5 to 2.5 mm. Being completely seamless without the need for vulcanization or other special installation requirements – only the substrate must be well prepared. Expertly blasted, desalinated and dry – otherwise any effort is useless. Either as a repair solution in the dock - or already at keel launching in the dockyard.

Scope of application:

Seawater piping
Fire extinguishing systems
Scrubber piping
Ballast water pipes

Downloads:

Series 700 Presentation: Marine / Off-Shore
Seawater- / Scrubber Piping: Corrosion protection for seawater systems
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Technical solutions in detail

MetaLine Series 700 –

MetaLine Series 700 coatings are dynamically highly stressable elastomeric spray-coatings. Typically applied in a thickness of approx. 1.5 to 2.5 mm (60 to 100 mils). Being completely seamless without the need for vulcanization or other special installation requirements – only the substrate must be very well prepared. Expertly blasted, desalinated and dry – otherwise any effort is useless. Either as a repair solution in the dock - or already at keel launching in the dockyard.

Maximum pipe length for internal coating with MetaLine Series 700 (straight pipes)   
Diameter:     > 2 – 12 inch       maximum length:    6,5 ft 
Diameter:     > 12 – 31 inch     maximum length:    13 ft
Diameter:     > 31 inch             maximum length:    unlimited

The MetaLine Series 500 can be used to treat straight pipes from a diameter of 2 inch and for larger diameters up to a length of 20 ft!

 

Product details

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Internal pipe lining - MetaLine internal pipe coatings are feasible with the “Series 500” starting from a pipe diameter of 50 mm (2 inch). But please do NOT think about trying to realize this yourself with on-board equipment - that would be naive!
Pipe elbow protective coating - MetaLine 785 can be applied to practically any contour - convex, concave or curved - without tension or seams thanks to its liquid application. Vulcanized rubber requires a large number of seams to do so!
Pipe lagging - Please don't make the same mistake as this customer! The MetaLine 785 coating of a seawater pipe in the dry dock - in the color “black”. Internal coatings must have a “light” color so that the workman can control his work and quality in the best possible way!
Seawater piping repair - coating with MetaLine 785 replaces the time-consuming and often unavailable vulcanization in dry dock. No quality compromises as is the case when using a brittle epoxy ceramic. Soft rubber should not be replaced by hard epoxy!
Seawater-resistant rubber coating - MetaLine 785 is a cold applied, seamless synthetic spray-on "rubber" coating. Vulcanization is no longer required. The difference is the reduced layer thickness, a better coefficient of sliding friction and the seamless, flow-optimized transition to the flanges
Repair coating - everything can be coated. The only question is whether it makes sense? MetaLine takes on many challenges! But you won't find us trying to persuade you to undergo a pointless repair when a replacement part is more viable!
Corrosion protection coating - problem solutions usually require a technical dialog - this is not always easy or quick! But it is effective! Please do not shy away from this dialog - the decision will always be yours! And you can see the result of this dialog here in perfection . . .
Corrosion protection lining - looks like paint, but is a protective skin “that plays in a different league”! Erosion and cavitation-resistant, impact-resistant, permeation-inhibiting. Not cheap and easy, but durable and reliable!
Pipeline corrosion protection - if your anti-corrosion work shows less cleanliness and attention to detail, you should call us! Our products bring an “Engineering made in Germany” to your construction site, which is world-famous!
Internal pipe coating - is an elastomeric internal lining of ballast water pipes really necessary? No, in many cases not! However, if increased functional safety is required - such as on LNG tankers - then all the technical arguments speak in favor of “spray rubber coating” with MetaLine 785!
Seawater inlet coating - MetaLine 785 as heavy, elastic erosion and corrosion protection on this seawater inlet. A coating thickness of 3 mm (120 mils) also protects the weld seams in particular. You should not make any technical compromises at this dangerous location!