ISO 16384:2012 PDF

Name: ISO 16384:2012 — Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels — Dimethylether (DME) — Measurement and calculation on board ships
SKU: ISO 16384:2012
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Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels — Dimethylether (DME) — Measurement and calculation on board ships

Название (английский):

ISO 16384:2012

Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels — Dimethylether (DME) — Measurement and calculation on board ships

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 5 ноября 2012 г.
Издание:: ISO IS 16384 edition 1 version 1
ICS:: 75.180.30

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Описание (английский):

ISO 16384:2012 provides guidance on the practices for custody transfer of dimethylether (DME) on board ships, at both the loading and the discharging ports. It covers such aspects of volumetric calculation on board as measurement of liquid volume, vapour volume, temperature and pressure; and accounting for the total quantity of DME on board before and after loading/discharging, regardless of the type of ship's tank.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 16384:2012 - Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels - Dimethylether (DME) - Measurement and calculation on board ships provides guidance for accurate custody transfer and volumetric accounting of dimethylether (DME) carried in bulk aboard ships. The standard sets out practices for measuring and calculating liquid volume, vapour volume, temperature and pressure during loading and discharging operations, and for determining total quantity on board before and after transfer - regardless of tank type (fully refrigerated, semi‑refrigerated or pressurized).

Key factual characteristics of DME cited in the standard include:

Boiling point: −25.1 °C (atmospheric pressure)

Saturated vapour pressure: 0.61 MPa at 25 °C

Explosive range, gas density and liquid density (as reference for measurement and safety)

Key Topics

The standard addresses practical and technical topics essential to custody transfer of DME:

Measurement scope: liquid level, liquid and vapour temperature, vapour pressure, and vapour volume.

Tank data: tank capacity tables and heel accounting for pre/post-transfer quantity.

Level gauges: permitted types (float, magnetic, radar/microwave, ATG), required accuracy and designated-use practices.

Temperature measurement: sensor types, accuracy, and number/positioning of sensors.

Pressure gauges: type, number and accuracy requirements for vapour pressure monitoring.

Preparation & procedures: ship/shore meetings, pipeline checks, cargo operation facilities, and documentation.

Equipment management: calibration, accuracy verification certificates, maintenance, operation by designated personnel, malfunction reporting and approval procedures for gauge changes.

Quantitative calculation: principles for converting measurements to volumetric and mass quantities (including Annex A on estimating DME density).

Applications

ISO 16384:2012 is intended to prevent disputes in international trade by standardizing on‑board custody transfer practices for DME. Practical applications include:

Performing opening and closing custody transfer measurements at loading/discharge

Preparing shipboard documentation and tank capacity tables for commercial settlement

Ensuring accurate metrology and traceable calibration for transfer instruments

Operational checklists for pipelines, safety precautions and ship/shore coordination

Who uses this standard

Ship operators and crew responsible for liquefied gas cargo operations

Terminal and port operators handling DME transfers

Cargo surveyors and metrological authorities verifying custody transfer

Classification societies, flag administrations and auditors reviewing compliance

Ship designers and equipment suppliers specifying gauges and tank instrumentation

Related standards

ISO 29945 (DME properties reference)

ISO 18132 series (automatic tank gauge definitions and performance)

ISO 10976 (cargo terms such as heel)

Using ISO 16384:2012 supports reliable, auditable custody transfer of DME and helps align shipboard measurement practice with industry and regulatory expectations.

ISO 16384:2012 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Who uses this standard

Related standards

Технические детали

ISO 29945:2009

Refrigerated non-petroleum-based liquefied gaseous fuels — Dimethylether (DME) — Method of manual sampling on…

BS ISO 1813:2025

Belt drives. Electrical conductivity of antistatic belts: Characteristics and test methods.

ISO 10976:2012

Refrigerated light hydrocarbon fluids - Measurement of cargoes on board LNG carriers