SIST EN ISO 4404-1:2012 PDF

Name: SIST EN ISO 4404-1:2012 — Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids - Part 1: Watercontaining fluids (ISO 4404-1:2012)
SKU: SIST EN ISO 4404-1:2012
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Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids - Part 1: Watercontaining fluids (ISO 4404-1:2012)

Название (английский):

SIST EN ISO 4404-1:2012

Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids - Part 1: Watercontaining fluids (ISO 4404-1:2012)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 23
Дата публикации:: 8 августа 2012 г.
ICS:: 75.120
Технический комитет:: NAD - Petroleum products, lubricants and related products

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Описание (английский):

ISO 4404-1:2012 specifies a test method to determine the influence on metals of fire-resistant fluids in categories HFA, HFB and HFC, as classified in ISO 6743-4. ISO 4404-1:2012 evaluates the corrosion protection provided by these fluids towards metal components used in hydraulic systems and installations.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

SIST EN ISO 4404-1:2012 establishes an international test method for evaluating the corrosion resistance of fire-resistant hydraulic fluids that contain water. Developed by CEN and ISO, this standard is crucial for assessing how water-containing fire-resistant fluids from categories HFA, HFB, and HFC (as classified in ISO 6743-4) affect common metals used in hydraulic systems. With increasing safety and reliability requirements in hydraulic installations, this standard ensures the suitability and protection of metal components operating with such fluids under fire risk conditions.

Key Topics

Hydraulic Fluids Classification: Focuses on HFA, HFB, and HFC types as per ISO 6743-4, all of which are water-based, fire-resistant fluids.

Corrosion Testing Procedure: Provides a detailed laboratory method where metal test strips (steel, copper, brass, zinc, and aluminium) are partially submerged in the test fluid, maintained at a controlled temperature, and assessed over a period (typically 28 days).

Visual and Weight Assessments: Evaluations include physical change, deposits, discoloration, and mass differences in metal strips, as well as noticeable alterations to the hydraulic fluid itself.

Rating System: Both metal corrosion and fluid property changes are rated for comparative and reporting purposes.

Preparation of Test Waters: Specifies water compositions to simulate various operational environments, enhancing the reproducibility and relevance of test results.

Test Report Requirements: Ensures comprehensive documentation, including fluid type, water composition, test conditions, and detailed findings.

Applications

This standard is widely applicable across industries relying on hydraulic systems exposed to fire hazards, particularly where water-containing hydraulic fluids are essential. Typical applications include:

Industrial Manufacturing: Facilities using automated machinery and presses, demanding high fire resistance and component longevity.

Mining and Tunneling: Heavy equipment operating underground where risks of hydraulic fluid ignition are high and fluid-induced metal corrosion must be controlled.

Steel Mills and Foundries: Hydraulic systems near high-temperature processes benefit from fluids of low flammability and proven corrosion protection.

Utility and Power Generation: Hydraulic actuation in power plants, where reliability and fire safety are critical.

Equipment Procurement and Quality Assurance: Enables manufacturers, operators, and inspectors to specify, assess, or verify the corrosion resistance of fire-resistant hydraulic fluids during product selection and quality control.

By following SIST EN ISO 4404-1:2012, stakeholders can ensure safer, more reliable operation of hydraulic equipment, reduce downtime due to component degradation, and facilitate compliance with international safety and performance standards.

Related Standards

ISO 4404-2: Applies similar corrosion resistance testing to non-aqueous fire-resistant hydraulic fluids.

ISO 6743-4: Provides the classification for hydraulic fluids, referencing the categories used in this testing method.

ISO 5598: Contains the fluid power systems terminology relevant for consistent interpretation.

ISO 20783-1: Offers procedures for evaluating emulsion stability of fire-resistant fluids.

Material Standards:

EN 10083-2 (Steel)
EN 1652 (Copper and copper alloys)
EN 1179 (Zinc)
ISO 209 (Aluminium)
ASTM material specifications for test strips

SIST EN ISO 4404-1:2012 is essential for organizations aiming to uphold best practices for hydraulic fluid selection, compatibility, and system longevity under fire-sensitive operating conditions, ensuring both safety and performance.

SIST EN ISO 4404-1:2012 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

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