Abstract
The use of plastic pipelines allows to increase the efficiency of pipeline systems of a ship due to their extraordinary corrosion resistance, a decrease of maintenance frequency, a reduction of total operational costs, and opens a new direction in the use of plastics. The weight of plastic pipelines is considerably less than that of metal ones, which allows to decrease the weight of the vessel by several tons and to increase, due to this, its maneuverability, as well as to decrease fuel consumption, ensure easier passing of all the necessary weight regulations, and optimize vessel operation. The process of installation work performance provides for a possibility of a pre-assembly of structures, the execution of welded, glued, mechanical joints with the help of a minimum set of tools in a confined space, and decreases by 50% the time of pipeline laying on the ship. Moreover, plastic pipe manufacturing creates five times less carbon dioxide emissions, which makes it a significant environmentally-friendly alternative to metal pipes. Therefore, in the cases where it is technically possible, plastic pipelines can be used as a direct substitution of metal pipelines.
Highlights
A modern vessel is a sophisticated technological complex which consists of various kinds of equipment, mechanisms and other structures, the operation of which is secured by pipeline systems [2]
Design for maintainability (DFM) can be defined as a design for “relative simplicity, time and resource saving, with which a ship can be maintained or restored to a necessary condition, when maintenance is performed by personnel with specific skill levels using established procedures and resources on each level of maintenance and repair [3]
Delivery delays, material replacements, various modifications of design solutions are possible, leading to an ineffective performance of works.design, manufacturing and installation of pipeline systems pertain to complex production processes [4]
Summary
SeaDrain® White 5 times lower 60% lighter 50% shorter Lower Not subject to corrosion 25. SeaDrain® White represents a unique marine pipeline system made of thermoplastics which can serve as a direct substitution for metal pipelines and opens a new direction in the use of plastics. Another effective solution for marine applications is SeaCorTM pipeline system made by Georg Fischer company. SeaCorTM piping system is available in the range of dimensions of metal pipes (IPS) and complies with more than three quarters of requirements to temperature/pressure ratios for modern typical programs It is especially suitable for non-essential marine and offshore programs, including those for the transportation of fresh water, hot and cold drinking water, seawater, wastewater, blackwater and greywater, water treatment, arrangement of ventilation holes and vacuum applications.
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