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SL2018-659/JAP Cermet-Coated Piston Rings for Operation on Low-Sulphur Fuels (0.5% S or lower) HOT!

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SL2018-659/JAP Cermet-Coated Piston Rings for Operation on Low-Sulphur Fuels (0.5% S or lower)

The owners of engines operated on VLSFO and ULSFO may face certain challenges with scuffing between the cylinder liner and piston rings. Operation on gas or other low-flashpoint fuels containing no sulphur gives challenges similar to those faced when operating on ULSFO in a SECA or on 0.5% S fuel. Prolonged operation on these fuels may lead to bore polished liner surfaces with a subsequent risk of liner scuffing as the consequence.

Prolonged operation on these fuels may lead to bore polished liner surfaces with a subsequent risk of liner scuffing as the consequence.cerment piston rings

File Name: sl2018-659-Cermet-Coated Piston Rings.pdf
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Last Updated Date: 25-04-2025
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Concerns
Owners and operators of MAN B&W two-stroke marine diesel engines.
Type: MC/MC-C, ME/ME-C, ME-B, MEGI, ME-GIE and ME-LGI

Summary
New hard cermet-coated piston rings for continued operation on low-sulphur fuel (0.5% or lower).
Reference is made to: SL00-382/JSB,
SL12-562/JAP, SL2014-593/DOJA,
SL2014-587/JAP and SL2016-611/JAP.