ISO 3994:2014 PDF

Name: ISO 3994:2014 — Plastics hoses — Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials — Specification
SKU: ISO 3994:2014
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Plastics hoses — Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials — Specification

Название (английский):

ISO 3994:2014

Plastics hoses — Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials — Specification

Статус документа:: Отменён
Формат:: Электронный (PDF)
Количество страниц:: 15
Дата публикации:: 11 августа 2014 г.
Издание:: ISO IS 3994 edition 4 version 1
ICS:: 23.040.70

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Описание (английский):

ISO 3994:2014 specifies the 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. The three types of hose are for light-, medium- and heavy-duty applications.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 3994:2014 - Plastics hoses - Specification for helical‑thermoplastic‑reinforced thermoplastics hoses - defines minimum requirements for hoses used for suction and discharge of water, weak aqueous chemical solutions, and abrasive solids/slurries. It covers three duty classes (light, medium, heavy) and applies to ambient temperatures from −10 °C to 55 °C. The standard is intended for non‑flammable, non‑aromatic applications (fire‑fighting hoses are covered by ISO 14557).

Key topics and technical requirements

Scope & classification: Types 1 (light), 2 (medium), 3 (heavy) based on maximum working and suction pressures.

Materials & construction: Flexible thermoplastic hose wall reinforced by a fused thermoplastic helix; products must be free from visible cracks, porosity and inclusions.

Dimensions & tolerances: Nominal bores, inside diameters and cut‑length tolerances (see ISO 1307); a range of nominal sizes from 12.5 mm up to 315 mm is specified.

Hydrostatic testing: Proof and burst pressure tests at 23 °C ±2 °C and burst tests at 55 °C ±2 °C with minimum proof/burst values provided by nominal bore and type.

Maximum working pressure: Tabulated values for 23 °C and 55 °C by nominal bore and type.

Mechanical tests:

Tensile test (Annex A) to verify adhesion between helix and wall (minimum tensile requirement relative to base thermoplastic).
Vacuum test (Annex B) to assess collapse resistance under specified absolute pressures.
Reinforcement fracture test (Annex C) to ensure helix ductility after extended extension.
Bend and cold‑bend tests (ISO 10619‑1 / ‑2) to check flexibility and subsequent proof pressure integrity.

Aging & stability tests: Loss in mass on heating, exposure to xenon‑arc lamp (ISO 30013) and other conditioning procedures.

Quality, marking & documentation: Requirements for type, routine and production testing, marking, packing, storage and test reports.

Applications and who uses it

ISO 3994:2014 is used by:

Hose manufacturers for design, quality control and compliance

Product engineers and OEMs specifying suction/discharge hoses for water, wastewater, dredging, slurry handling and light chemical transfer

Test laboratories conducting hydrostatic, tensile, vacuum and aging tests

Purchasers and procurement teams creating technical specifications and acceptance criteria

Note: The standard excludes hoses for flammable or aromatic solvent service; special chemical resistance must be agreed between supplier and purchaser.

ISO 3994:2014 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Технические детали

BS EN ISO 14557:2021

Fire-fighting hoses. Rubber and plastics suction hoses and hose assemblies.

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SIST EN ISO 10619-1:2018

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SIST EN ISO 30013:2011

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