ISO 14269-4:1997 PDF

Tractors and self-propelled machines for agriculture and forestry — Operator enclosure environment — Part 4: Air filter element test method

Open preview (PDF)

Title (English):

ISO 14269-4:1997

Tractors and self-propelled machines for agriculture and forestry — Operator enclosure environment — Part 4: Air filter element test method

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 7
Publication date:: December 11, 1997
Edition:: ISO IS 14269 edition 1 version 1
ICS:: 65.060.01

Delivery type:

Full version25 €Read online 24h10 €Read online 72h15 €

Document language:

enru

Delivery time:Immediate download

Price:25 €

Description (English):

La présente partie de l'ISO 14269 prescrit une méthode uniforme d'essai permettant de déterminer les niveaux de performance des filtres à air de type panneau de l'enceinte de l'opérateur. Elle est applicable aux tracteurs et machines automotrices pour l'agriculture et la sylviculture équipés d'une enceinte avec système de ventilation.

Technical details

Technical committee: ISO/TC 23/SC 2 - Common tests
SKU: ISO 14269-4:1997

Abstract

Overview

ISO 14269-4:1997 defines a uniform test method for panel-type air filter elements used in operator enclosures of tractors and self-propelled machines for agriculture and forestry. The standard specifies how to measure filter performance - including particulate removal efficiency, particulate holding capacity, airflow resistance (pressure drop) and sealing characteristics - to ensure operator enclosure ventilation systems provide clean intake air.

Key topics and requirements

Scope: Applies to operator enclosure air filter elements for agricultural and forestry tractors and self-propelled machines equipped with ventilation systems.
Test setup: Detailed shroud and equipment configurations (dust metering, dust injector, blower, absolute filter housing, flow and restriction measurement) are specified. Representative figures and injector dimensions are provided.
Test dust and concentration:
- Two standardized dust grades: fine and coarse, with defined chemical composition ranges and particle size distributions.
- Recommended dust concentration: 1 g/m³ for both fine and coarse dust (selected as a practical representation of severe visibility conditions).
Environmental and flow conditions:
- Airflow measurements corrected to 25 °C and 100 kPa.
- Tests conducted with intake air at 24 °C ± 8 °C and relative humidity 50 % ± 15 %.
- Minimum intake velocity into the dust mixing chamber: 6 m/s.
- Face velocity for the absolute filter should not exceed 50 m/min to preserve media integrity.
Absolute filter specification: Fiberglass media, minimum thickness 12.7 mm, minimum density 9.5 kg/m³, fiber diameter 0.76–1.27 µm, moisture absorption

Related standards

Other ISO standards

Overview

Key topics and requirements

Scope: Applies to operator enclosure air filter elements for agricultural and forestry tractors and self-propelled machines equipped with ventilation systems.
Test setup: Detailed shroud and equipment configurations (dust metering, dust injector, blower, absolute filter housing, flow and restriction measurement) are specified. Representative figures and injector dimensions are provided.
Test dust and concentration:
- Two standardized dust grades: fine and coarse, with defined chemical composition ranges and particle size distributions.
- Recommended dust concentration: 1 g/m³ for both fine and coarse dust (selected as a practical representation of severe visibility conditions).
Environmental and flow conditions:
- Airflow measurements corrected to 25 °C and 100 kPa.
- Tests conducted with intake air at 24 °C ± 8 °C and relative humidity 50 % ± 15 %.
- Minimum intake velocity into the dust mixing chamber: 6 m/s.
- Face velocity for the absolute filter should not exceed 50 m/min to preserve media integrity.
Absolute filter specification: Fiberglass media, minimum thickness 12.7 mm, minimum density 9.5 kg/m³, fiber diameter 0.76–1.27 µm, moisture absorption

ISO 14269-4:1997 PDF

Technical details

Abstract

Overview

Key topics and requirements

Related standards

Abstract

Overview

Key topics and requirements

Related standards

Systems and software engineering — Software life cycle processes

Asset management — Vocabulary, overview and principles

Asset management — Asset management system — Requirements

Information technology — Radio frequency identification device conformance test methods — Part 2: Test method…

Information technology — Multimedia framework (MPEG-21) — Part 22: User Description

Milk — Determination of the lactoperoxidase activity — Photometric method (Reference method)

Carbonaceous materials for the production of aluminium — Cold and tepid ramming pastes — Expansion/shrinkage…

Agricultural machinery — Safety — Part 13: Large rotary mowers