SIST EN ISO 5771:2024 PDF

Name: SIST EN ISO 5771:2024 — Rubber hoses and hose assemblies for transferring anhydrous ammonia - Specification (ISO 5771:2024)
SKU: SIST EN ISO 5771:2024
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Rubber hoses and hose assemblies for transferring anhydrous ammonia - Specification (ISO 5771:2024)

Название (английский):

SIST EN ISO 5771:2024

Rubber hoses and hose assemblies for transferring anhydrous ammonia - Specification (ISO 5771:2024)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 20
Дата публикации:: 14 мая 2024 г.
Издание:: ISO 5771:2024
ICS:: 71.120.99

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Описание (английский):

This document specifies the minimum requirements for rubber hoses used for transferring ammonia, in liquid or in gaseous form, at ambient temperatures from −40 °C up to and including +55 °C at a working pressure of 2,5 MPa (25 bar). It does not include specifications for end fittings and is limited to the performance of the hoses and hose assemblies.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 5771:2024 (identical to ISO 5771:2024) is the European/CEN specification for rubber hoses and hose assemblies used to transfer anhydrous ammonia. It sets minimum performance, dimensional and testing requirements for hoses intended for liquid or gaseous ammonia service at ambient temperatures from −40 °C to +55 °C and a working pressure of 2,5 MPa (25 bar). The standard addresses hose performance and assemblies but does not specify end fittings. This edition (April 2024) supersedes EN ISO 5771:2008.

Key Topics

Scope & limitations

Hoses for anhydrous ammonia only; excludes end fittings.
Operational temperature range: −40 °C to +55 °C.
Nominal working pressure: 25 bar (2,5 MPa); proof pressure: 63 bar (6,3 MPa).

Materials and construction

Requirements for lining, reinforcement and cover compounds suitable for ammonia service.
Guidance for hose assemblies and acceptable construction practices.

Dimensions & tolerances

Inside and outside diameter limits, concentricity and cut-to-length tolerances.

Physical and performance tests

Rubber compound tests, finished hose testing and ammonia resistance conditioning procedures.
Flexing, burst-pressure and other post-conditioning tests.

Quality control

Type, routine and frequency of tests; delivery and in‑use (annual) test requirements.
Marking, packaging, storage and test-certificate requirements.

Annexes

Type/routine test frequency and recommendations for supplied lengths.

Applications

EN ISO 5771:2024 is intended for:

Manufacturers of ammonia-resistant rubber hoses and hose assemblies.

Quality assurance and testing laboratories performing hydrostatic, burst and conditioning tests.

Plant engineers, procurement and maintenance teams in industries using anhydrous ammonia:

Refrigeration and cold‑storage systems
Fertiliser application and agricultural ammonia distribution
Chemical processing and industrial gas handling

Safety and compliance officers who need to verify hose performance for ammonia transfer and retain test certificates.

Related Standards

Normative references cited in EN ISO 5771:2024 include:

ISO 37 (tensile testing)

ISO 188:2023 (accelerated ageing)

ISO 1307 (hose sizes)

ISO 1402 (hydrostatic testing)

ISO 4671 (dimensional measurement)

ISO 7326 (ozone resistance)

ISO 8033 (adhesion testing)

ISO 8330 (vocabulary)

ISO 10619-2 (bending tests at sub‑ambient temperatures)

For users specifying or purchasing anhydrous ammonia hoses, EN ISO 5771:2024 provides the authoritative performance and testing framework to ensure safety, durability and regulatory conformity.

SIST EN ISO 5771:2024 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

ISO 5771:2024

Rubber hoses and hose assemblies for transferring anhydrous ammonia — Specification

ISO 5771:2008

Rubber hoses and hose assemblies for transferring anhydrous ammonia — Specification

ISO 188:2023

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