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Maritime Technical Library • Engineering Blog

Technical Service Articles &
Class Survey Engineering Posts

Explore publication-ready engineering manuals, SOLAS/MARPOL compliance SOPs, diagnostic matrices, and worldwide port attendance protocols.

All Topics (192709) Bridge & NavCom (16124) Safety & LSA/FFA (20765) Propulsion & Engine (13079) Scrubber & MARPOL (1399) Auxiliary & Galley (7383) Cathodic Anodes (1) Automation & SIS (6378)
Showing 1 to 12 of 6378 technical articles
Safety & LSA/FFA 11 min read

Yokogawa ProSafe-RS Marine SIS & DPharp Transmitter Calibration Service

MarineListing delivers 24/7 Class-certified engineering maintenance, SIL3 functional safety proof-testing, and field instrumentation calibration for Yokogawa ProSafe-RS Safety Instrumented Systems (SIS) and DPharp pressure transmitters across worldwide maritime hubs. Deployed as the mission-critical Emergency Shutdown (ESD) and Fire & Gas (F&G) logic solver on LNG/LPG gas carriers, oil/chemical tankers, and FPSO installations, ProSafe-RS operates under strict IEC 61508 / IEC 61511 SIL3 compliance and IGC/IBC Code regulations. Our certified functional safety and marine automation engineers execute quad-redundant CPU module servicing, Vnet/IP safety network diagnostics, and 5-point deadweight tester calibration for Yokogawa DPharp EJA110E differential pressure and EJX530A high-accuracy gauge transmitters across Singapore, Rotterdam, Houston, Fujairah, and Busan.

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Propulsion & Machinery 10 min read

Main Engine Electronic Governor Calibration, Remote Control & Safety Shutdown System Service

Under **SOLAS Chapter II-1, Regulation 31** and **IACS Unified Requirement M67**, all marine propulsion machinery must be fitted with an independent overspeed protection device and an automatic speed governing system capable of maintaining engine speed within statutory limits under all operational sea states and sudden full load shedding. MarineListing delivers 24/7 Class-certified mechanical/electronic governor overhauls, actuator speed droop calibration, bridge/ECR Engine Order Telegraph (EOT) synchronizations, and emergency safety trip matrix verifications across berth, anchorage, and OPL boarding in the Suez Canal, Singapore, Fujairah, Rotterdam, Houston, and major maritime corridors.

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Technical Service 12 min read

Valmet DNA Marine Automation, IAMCS & Power Management Service

MarineListing delivers 24/7 Class-certified engineering support, controller board repair, I/O node calibration, and lifecycle software servicing for Valmet DNA Integrated Automation Systems (IAS), Distributed Control Systems (DCS), and Power Management Systems (PMS) worldwide. Supporting cruise ships, LNG carriers, container vessels, and offshore energy units operating Valmet DNA, ACN CS/RT controllers, and hybrid marine PLCs (Unitronics Unistream, Wago PFC200), our factory-trained marine automation engineers service Integrated Alarm, Monitoring and Control Systems (IAMCS), propulsion interlocks, and cargo automation networks. Operating across key maritime hubs—including Singapore, Rotterdam, Dubai, Houston, and Busan—we ensure 100% compliance with SOLAS II-1/31 unattended machinery (UMS) rules, Class PMS blackout prevention mandates, and IACS UR E26/E27 maritime cyber security standards.

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Technical Service 11 min read

VAF Instruments ViscoSense, Fuel Flowmeter & Visy-X Propulsion Service

MarineListing delivers 24/7 Class-approved calibration, hardware overhauls, sensor element renewal, and genuine spare parts supply for VAF Instruments marine measurement and control systems worldwide. Specializing in VAF ViscoSense 3D, ViscoSense 2, Viscosity 370, Visy-X fuel efficiency monitors, and PT/ProFlow positive displacement fuel meters, our certified instrumentation and automation specialists maintain precise viscosity control ($10\text{--}15\text{ cSt}$) across HFO, VLSFO, and MGO fuels. Operating across primary bunkering and trade hubs—including Singapore, Rotterdam, Fujairah, Houston, and Busan—we ensure 100% compliance with ISO 8217 fuel injection specifications, engine maker atomization requirements (MAN B&W, WinGD, Wärtsilä), and MARPOL Annex VI Reg 27 IMO DCS / EU MRV reporting accuracy.

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Technical Service 6 min read

Oil Mist Detector (OMD) Calibration & Overhaul

Certified marine Crankcase Oil Mist Detector (OMD) annual calibration, optical head overhaul, and Class clearance services in compliance with SOLAS Chapter II-2, Regulation 4.2.2.4 and IACS Unified Requirement M10. Comprehensive attendance supports Graviner Mark 5/6/7, Schaller Automation Visatron VN series (VN115, VN116, VN215), Daihatsu MD-SX, and QMI systems across 2-stroke and 4-stroke marine diesel engines. Standard service verifies optical measuring absorption curves, sample extraction vacuum levels, infrared photocell cleanliness, and automatic main engine slowdown and safety shutdown trip loops with Class surveyor sign-off.

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Technical Service 11 min read

Automation Systems Service

Class-approved automation systems service, programming, and troubleshooting for Integrated Automation Systems (IAS), Power Management Systems (PMS), PLC (Programmable Logic Controllers), SCADA (Supervisory Control and Data Acquisition), engine room automation, and complete vessel control systems. Service includes PLC programming, HMI configuration, network troubleshooting, safety system testing, and certification compliance with SOLAS Chapter II-1, IEC 61508, IEC 61131, and IACS Unified Requirements. Full worldwide port attendance with 24-48 hour turnaround for programming and 72 hours for major system overhaul.

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Propulsion & Machinery 10 min read

Main Engine Electronic Governor Calibration, Remote Control & Safety Shutdown System Service

Under **SOLAS Chapter II-1, Regulation 31** and **IACS Unified Requirement M67**, all marine propulsion machinery must be fitted with an independent overspeed protection device and an automatic speed governing system capable of maintaining engine speed within statutory limits under all operational sea states and sudden full load shedding. MarineListing delivers 24/7 Class-certified mechanical/electronic governor overhauls, actuator speed droop calibration, bridge/ECR Engine Order Telegraph (EOT) synchronizations, and emergency safety trip matrix verifications across berth, anchorage, and OPL boarding in the Suez Canal, Singapore, Fujairah, Rotterdam, Houston, and major maritime corridors.

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