Thailand selects MAN engines for second modified River-class OPV

IHS Janes

31 May 2016

The Royal Thai Navy (RTN) has chosen to power its second modified River-class offshore patrol vessel (OPV) with two MAN 16V28/33D sequential turbocharging (STC) diesel engines.

The 90 m vessel, which will be a more heavily armed version of the first OPV, will be constructed by Thailand’s state-owned naval shipbuilder Bangkok Dock with technical guidance from BAE Systems.

According to a statement released by MAN on the project, the 16V28/33D STC engine is fuel-efficient and particularly suited for vessels like the modified River-class OPV, especially at intermediate- and low-load operations. A variant of the engine is in service with the Royal Netherlands Navy’s Holland-class OPVs.


MAN 28/33D STC Engine Adds Thai Reference 

2016-05-27 Marine Medium Speed

The Royal Thai Navy will build a new offshore patrol vessel (OPV) that will be powered by 2 × MAN 16V28/33D STC engines. The 90-m newbuilding will be constructed at Mahidol Adulyadej naval dockyard in Sattahip. The vessel is an improved River-class design.

Locally called OPV No. 2, the order follows that of OPV No. 1, the ‘HTMS Krabi’ that was ordered in 2009, a similar vessel that featured 2 × 16V28/33D engines.

Olivier Condemine, Senior Sales Manager – Naval & Governmental – MAN Diesel & Turbo said: “Sequential turbocharging improves the already proven performance and fuel-efficiency of the 28/33D engine, especially at intermediate and low-load operations – known as silent running – which is very important for this kind of vessel.” 

See details of Royal Thai Navy OPV: HERE

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