VAF OILCON MARK 6M ODME

Overview

VAF OILCON MARK 6M Oil Discharge Monitoring Equipment for Oil Tankers | IMO Approved Marine ODME System

The VAF OILCON MARK 6M Oil Discharge Monitoring Equipment (ODME) is an IMO-approved monitoring system designed for oil tankers to continuously measure, monitor, record, and control the discharge of oily ballast water and slop water during cargo operations. Engineered for reliable marine performance, the system continuously monitors oil concentration, discharge flow, vessel speed, GPS position, and total oil discharged while automatically recording operational data to support compliance with MARPOL Annex I and IMO Resolution MEPC.108(49). With intelligent monitoring, automatic self-cleaning, and user-friendly operation, the OILCON MARK 6M is trusted by tanker operators worldwide.

At Ship Care Service, we supply genuine VAF OILCON MARK 6M systems, replacement spare parts, measuring cells, control units, calibration support, and technical assistance for oil tankers, offshore vessels, shipyards, and marine operators worldwide.

What is the VAF OILCON MARK 6M?

The VAF OILCON MARK 6M is an Oil Discharge Monitoring Equipment (ODME) system installed onboard oil tankers to continuously monitor oily water discharged during cargo tank cleaning, slop discharge, and ballast operations.

The system continuously measures oil concentration, receives information from flow meters and GPS equipment, records operational data, activates alarms whenever discharge limits are exceeded, and can automatically control overboard discharge according to applicable environmental regulations.

Why is Oil Discharge Monitoring Equipment Important?

Oil tankers must monitor and record oily water discharge during cargo operations to comply with international marine pollution regulations.

A properly functioning ODME system helps operators:

• Support compliance with MARPOL Annex I

• Continuously monitor oil discharge

• Record operational history

• Reduce environmental pollution

• Support Port State Control inspections

• Improve operational safety

• Protect the marine environment

How the VAF OILCON MARK 6M Works

The OILCON MARK 6M continuously supervises tanker discharge operations whenever oily mixtures are discharged overboard.

Step 1 – Sampling the Discharge Line

A representative sample is continuously collected from the discharge pipeline through the sampling system.

Step 2 – Oil Concentration Measurement

The oil measuring cell continuously analyzes the sampled discharge to determine oil concentration in real time using advanced optical measurement technology.

Step 3 – Data Collection

The control unit continuously processes operational information including:

• Oil concentration

• Discharge flow rate

• Vessel speed

• GPS position

• Date and time

• Total oil discharged

The system automatically calculates discharge performance throughout cargo operations.

Step 4 – Automatic Monitoring & Control

If discharge conditions exceed permitted operating limits, the OILCON MARK 6M can:

• Activate visual alarms

• Activate audible alarms

• Record alarm events

• Control overboard discharge (depending on vessel configuration)

• Store operational records for inspection and regulatory compliance

Key Features of the VAF OILCON MARK 6M

Continuous Oil Discharge Monitoring

The system continuously measures oil concentration during tanker cargo and ballast discharge operations.

IMO & MARPOL Compliance

The VAF OILCON MARK 6M is designed to support compliance with IMO Resolution MEPC.108(49) and MARPOL Annex I requirements for oil discharge monitoring equipment.

Automatic Operational Recording

The system automatically records operational information including oil concentration, discharge flow, GPS position, vessel speed, alarm history, and operational events for inspection and reporting.

Automatic Self-Cleaning & Zero Adjustment

Integrated self-cleaning and automatic zero adjustment functions help maintain measurement accuracy while reducing routine maintenance requirements.

User-Friendly Operator Interface

The digital display allows operators to easily monitor system status, discharge information, alarm conditions, and operational records.

Reliable Marine Construction

Designed specifically for demanding marine environments, the OILCON MARK 6M delivers dependable long-term operation onboard oil tankers and offshore vessels.

Typical Applications

The VAF OILCON MARK 6M is commonly installed on:

• Crude Oil Tankers

• Product Tankers

• Chemical Tankers

• Shuttle Tankers

• FPSOs

• Offshore Production Vessels

Industries We Serve

The OILCON MARK 6M is widely used across:

• Oil Tanker Operations

• Offshore Oil & Gas

• Marine Engineering

• Ship Management

• Shipyards

• Marine Service Companies

• Environmental Compliance

• Energy & Petroleum Shipping

Who Uses the VAF OILCON MARK 6M?

Typical users include:

• Chief Engineers

• Cargo Officers

• Marine Engineers

• Technical Superintendents

• Shipowners

• Ship Management Companies

• Offshore Operators

• Marine Service Engineers

• Environmental Compliance Officers

Why Choose the VAF OILCON MARK 6M?

Marine operators choose the VAF OILCON MARK 6M because it provides:

• Continuous oil discharge monitoring

• Accurate oil concentration measurement

• Automatic operational recording

• Automatic self-cleaning and zero adjustment

• Integrated alarm functions

• GPS position recording

• Support for IMO & MARPOL compliance

• Reliable long-term marine performance

Technical Overview

The VAF OILCON MARK 6M Oil Discharge Monitoring Equipment (ODME) is an IMO-approved monitoring system designed for oil tankers to continuously monitor, calculate, record, and control the discharge of oily ballast water and slop water during cargo operations. Installed as part of the vessel's cargo discharge system, the OILCON MARK 6M continuously measures oil concentration, discharge flow, vessel speed, GPS position, and total oil discharged to help support compliance with MARPOL Annex I and IMO Resolution MEPC.108(49).

The system consists of a Main Control Unit (MCU), Electro Pneumatic Unit (EPU), Measuring Skid, Oil Measuring Cell, Sampling System, Flow Meter Interface, GPS Interface, and associated sensors. During operation, the system continuously processes measurement data, calculates discharge performance, records operational history, and activates alarms or automatic discharge control whenever discharge limits are exceeded.

Designed for demanding marine tanker operations, the VAF OILCON MARK 6M incorporates automatic self-cleaning, automatic zero adjustment, automatic calibration, and reliable long-term monitoring performance.

Note: System configuration may vary depending on vessel design, cargo handling arrangement, installed automation system, and classification society requirements. Always verify equipment configuration using the equipment nameplate and official VAF documentation.

Main Components of the VAF OILCON MARK 6M

The OILCON MARK 6M consists of several integrated components that work together to provide continuous oil discharge monitoring.

Main Control Unit (MCU)

The MCU serves as the central operating interface.

Its functions include:

• Oil discharge calculations

• Alarm management

• System configuration

• Operational recording

• Display operation

• System diagnostics

• Automatic discharge control

Operators can continuously monitor discharge conditions through the digital interface.

Measuring Skid

The measuring skid contains the sampling and oil measurement equipment used for continuous discharge monitoring.

It provides:

• Continuous sample conditioning

• Oil concentration measurement

• Stable measurement performance

• Automatic flushing functions

Oil Measuring Cell

The measuring cell continuously measures oil concentration within the sampled discharge stream.

Its functions include:

• Continuous oil measurement

• High measurement stability

• Automatic zero adjustment

• Long service life

Electro Pneumatic Unit (EPU)

The EPU controls pneumatic functions associated with sampling, flushing, cleaning, and discharge control.

Sampling System

The sampling system continuously extracts a representative sample from the discharge pipeline.

Accurate sampling is essential for reliable oil concentration measurement.

Flow Meter Interface

The system receives discharge flow information from the vessel's flow measurement equipment.

The recorded flow information is used to calculate:

• Oil discharge rate

• Total discharge quantity

• Total oil discharged

GPS Interface

The GPS interface continuously receives:

• Vessel position

• Vessel speed

• Date

• Time

Operational records automatically include GPS information.

Alarm System

The integrated alarm system immediately alerts operators whenever monitored discharge parameters exceed configured operating limits.

Alarm outputs may interface with the vessel's automation system depending on installation.

Working Principle

The VAF OILCON MARK 6M continuously supervises tanker discharge operations whenever oily mixtures are discharged overboard.

Step 1 – Sample Collection

A representative sample is continuously collected from the discharge pipeline through the sampling arrangement.

Step 2 – Oil Concentration Measurement

The oil measuring cell continuously analyzes oil concentration within the sampled discharge using the system's optical measurement technology.

Step 3 – Operational Data Processing

The Main Control Unit continuously processes:

• Oil concentration

• Flow rate

• Vessel speed

• GPS position

• Date & Time

• Total discharge quantity

The system automatically calculates discharge performance according to applicable tanker discharge regulations.

Step 4 – Alarm & Automatic Control

If discharge conditions exceed permitted operating limits, the system can:

• Activate visual alarms

• Activate audible alarms

• Record alarm events

• Control overboard discharge valves

• Store complete discharge history

Advantages of the VAF OILCON MARK 6M

Continuous Oil Discharge Monitoring

The system continuously supervises tanker discharge operations during cargo handling and ballast discharge.

Automatic Self-Calibration

Automatic calibration helps maintain measurement accuracy while reducing manual maintenance requirements.

Automatic Zero Adjustment

Automatic zeroing improves long-term monitoring stability and measurement reliability.

Automatic Self-Cleaning

The integrated flushing and self-cleaning functions help minimize contamination of the measuring system.

Integrated GPS Recording

GPS position, vessel speed, date, and time are automatically recorded together with discharge information.

Reliable Alarm Protection

Immediate alarm activation enables operators to respond quickly whenever monitored parameters exceed permitted limits.

Marine-Grade Construction

The VAF OILCON MARK 6M is designed for dependable operation under demanding marine conditions including:

• High humidity

• Cargo deck environments

• Offshore operation

• Continuous vibration

• Long operating hours

Routine Maintenance

Routine maintenance helps ensure reliable long-term monitoring performance.

Before Operation

Inspect:

• Main Control Unit

• Display

• Alarm indicators

• Measuring skid

• Sampling system

• Electrical connections

Verify normal operating status before cargo discharge begins.

Weekly Inspection

Check:

• Sampling lines

• Measuring cell

• Alarm operation

• Display information

• Flow connections

• Fresh water flushing system

Inspect the sampling arrangement for contamination or restrictions.

Monthly Inspection

Inspect:

• Measuring skid

• Oil measuring cell

• Electro Pneumatic Unit

• GPS interface

• Flow meter interface

• Electrical wiring

• Connectors

• Mounting hardware

Clean components according to VAF maintenance recommendations.

Annual Maintenance

Recommended maintenance includes:

• Functional testing

• Calibration verification

• Alarm testing

• Measuring cell inspection

• GPS verification

• Flow interface inspection

• Electrical inspection

• Sampling system inspection

Maintenance activities should be documented within the vessel's Planned Maintenance System (PMS).

Common Operational Problems

Although the VAF OILCON MARK 6M is designed for dependable operation, operational issues may occasionally occur.

Problem: High Oil Concentration Alarm

Possible Causes

• Excessive oil concentration

• Cargo contamination

• Measuring cell contamination

• Sampling issue

Recommended Solution

Inspect the sampling system, verify cargo discharge conditions, and inspect the measuring cell.

Problem: No Sample Flow

Possible Causes

• Blocked sampling line

• Closed valve

• Sampling pump malfunction

• Air trapped in the sampling system

Recommended Solution

Inspect the sampling arrangement and restore proper sample flow.

Problem: GPS Communication Fault

Possible Causes

• GPS signal interruption

• Loose communication cable

• Interface malfunction

• Power supply issue

Recommended Solution

Verify GPS communication, electrical wiring, and signal availability.

Problem: Flow Measurement Error

Possible Causes

• Flow meter malfunction

• Communication failure

• Calibration issue

• Electrical fault

Recommended Solution

Inspect the flow meter interface and verify signal integrity.

Problem: Display or Controller Fault

Possible Causes

• Power interruption

• Loose electrical wiring

• Internal electronic fault

• Software configuration issue

Recommended Solution

Verify electrical supply, inspect wiring, and perform system diagnostics according to VAF maintenance procedures.

Calibration Recommendations

Periodic calibration verification helps maintain monitoring accuracy.

Calibration is generally recommended:

• During scheduled maintenance

• After replacing the measuring cell

• Following major repairs

• After extended shutdown

• According to VAF maintenance procedures

• As required by the vessel's Planned Maintenance System

Genuine Spare Parts Available

Ship Care Service supplies genuine replacement parts for the VAF OILCON MARK 6M, including:

• Main Control Unit (MCU)

• Electro Pneumatic Unit (EPU)

• Measuring Skid Assembly

• Oil Measuring Cell

• Sampling Pumps

• Flow Meter Interface Modules

• GPS Interface Modules

• Solenoid Valves

• Pressure Transmitters

• Power Supply Modules

• Wiring Harnesses

• Connectors

• Mounting Hardware

Availability depends on the installed system configuration.

Buying Guide

Before purchasing a VAF OILCON MARK 6M or replacement components, consider the following:

Verify System Compatibility

Confirm compatibility with the vessel's cargo discharge system and installed automation equipment.

Confirm Equipment Identification

Providing the following information helps identify compatible replacement components:

• Model Number

• Serial Number

• Equipment Nameplate

• Vessel Name

• Existing Part Number (if available)

Choose Genuine Components

Using genuine replacement parts helps maintain:

• Accurate oil discharge monitoring

• Reliable alarm operation

• Long equipment service life

• Regulatory compliance

• Full compatibility with the installed system

Work with an Experienced Marine Supplier

Choose a supplier capable of providing:

• Genuine VAF products

• Technical assistance

• Spare parts support

• Worldwide marine supply

• After-sales service

Why Marine Operators Choose the VAF OILCON MARK 6M

The VAF OILCON MARK 6M is trusted because it offers:

• Continuous oil discharge monitoring

• Automatic self-calibration

• Automatic zero adjustment

• Automatic self-cleaning

• GPS integration

• Reliable alarm functions

• Support for IMO & MARPOL compliance

• Reliable long-term marine operation