EN ISO 3994:2026 PDF

Name: EN ISO 3994:2026 — Plastics hoses - Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials - Specification (ISO 3994:2026)
SKU: EN ISO 3994:2026
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Plastics hoses - Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials - Specification (ISO 3994:2026)

Название (английский):

EN ISO 3994:2026

Plastics hoses - Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials - Specification (ISO 3994:2026)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 21
Дата публикации:: 18 марта 2026 г.
Издание:: CEN EN 3994 edition 2 version 1
ICS:: 23.040.70

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Описание (английский):

This document specifies requirements for three types of helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of water, weak aqueous chemical solutions and abrasive solids and slurries, for use in the ambient temperature range from −10 °C to 55 °C. This document does not specify requirements for use with flammable or combustible materials, nor with aromatic solvents.

Abstract

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Стандарты, упомянутые в описании

Overview

EN ISO 3994:2026 specifies the requirements for helical-thermoplastic-reinforced thermoplastics hoses designed for the suction and discharge of water, weak aqueous chemical solutions, and abrasive solids or slurries. This European and International Standard is applicable for hoses used within ambient temperatures ranging from −10 °C to 55 °C. It addresses critical aspects such as hose classification, materials, construction, dimensions, mechanical performance, and marking requirements to ensure reliable performance across a wide range of industrial and commercial applications.

Key Topics

Scope of Application: Covers three main types of hoses (light, medium, and heavy-duty) depending on pressure and suction requirements.

Materials and Construction: Hoses are manufactured with a flexible thermoplastics matrix reinforced by an integrated thermoplastic helix, ensuring mechanical strength and durability.

Dimensions and Tolerances: Sets nominal sizes with mandated inside diameters and tolerance ranges for consistent performance and compatibility.

Performance Requirements: Includes hydrostatic pressure, tensile tests, vacuum resistance, reinforcement durability, flexibility at various temperatures, heat stability, and resistance to light exposure.

Type and Routine Testing: Specifies type tests (to confirm design compliance) and routine tests (for regular quality assurance), ensuring ongoing adherence to performance standards.

Marking: Requires clear and permanent markings for manufacturer identification, hose type, size, pressure rating, and production period.

Packing and Storage: Recommends practices in line with ISO 8331 for proper handling and storage to maintain hose integrity.

Applications

Helical-thermoplastic-reinforced thermoplastics hoses manufactured according to EN ISO 3994:2026 are widely used in:

Water transfer and suction: In agriculture, irrigation, drainage, and water management systems.

Handling aqueous chemical solutions: For safe transfer of weak chemical mixtures in industrial cleaning, wastewater treatment, and related fields.

Transporting abrasive solids and slurries: In construction, mining, and manufacturing where sand, gravel, or slurry needs to be conveyed without hose failure.

General industrial use: Whenever reliable suction and discharge performance is required across a range of non-flammable, non-aromatic fluids.

This standard does not apply to hoses for flammable or combustible materials, or for use with aromatic solvents.

Related Standards

ISO 1307: Defines hose sizes and tolerances.

ISO 1402: Details hydrostatic testing procedures for rubber and plastics hoses.

ISO 4671: Specifies measurement methods for hose dimensions and assembly lengths.

ISO 8330: Provides terminology for hoses and hose assemblies.

ISO 10619-1 & ISO 10619-2: Outline flexibility and stiffness testing procedures at ambient and sub-ambient temperatures.

ISO 23529: Covers procedures for preparing and conditioning test samples.

ISO 30013: Describes testing for light exposure and its impact on physical properties.

ISO 8331: Offers guidelines for hose selection, storage, use, and maintenance.

Practical Value

Adopting EN ISO 3994:2026 ensures hoses perform consistently and safely in demanding applications involving water and dilute chemicals, while also providing resistance to abrasion and environmental factors. Compliance enables manufacturers and users to benefit from improved product reliability, streamlined procurement, and enhanced workplace safety by using hoses certified for standardized performance. Use of this standard supports regulatory compliance and facilitates interoperability across industries relying on robust hose assemblies for fluid transfer.

EN ISO 3994:2026 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Practical Value

Технические детали

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