SIST EN ISO 3458:2015 PDF

Name: SIST EN ISO 3458:2015 — Plastics piping systems - Mechanical joints between fittings and pressure pipes - Test method for leaktightness under internal pressure (ISO 3458:2015)
SKU: SIST EN ISO 3458:2015
Price: 51.9 EUR
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Plastics piping systems - Mechanical joints between fittings and pressure pipes - Test method for leaktightness under internal pressure (ISO 3458:2015)

Название (английский):

SIST EN ISO 3458:2015

Plastics piping systems - Mechanical joints between fittings and pressure pipes - Test method for leaktightness under internal pressure (ISO 3458:2015)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 18 мая 2015 г.
ICS:: 23.040.60
Технический комитет:: PCV - Plastic pipes, fittings and valves

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Срок поставки:2 раб. дн. (перевод)

Цена:180 €

Описание (английский):

ISO 3458:2015 specifies the method of test for checking the leak tightness of assembled joints between mechanical fittings and plastic pressure pipes. The test applies regardless of the design and material of the fitting used for jointing plastic pipe.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты SIST

Overview

SIST EN ISO 3458:2015 establishes a standardized test method for evaluating the leaktightness of mechanical joints between fittings and plastic pressure pipes under internal pressure. Developed by the International Organization for Standardization (ISO) in collaboration with CEN, this European Standard replaces the earlier EN 715:1994. It applies comprehensively to any mechanical fitting design and material used in plastic piping systems, ensuring reliable assessment of joints that are critical to piping integrity.

This standard is essential for manufacturers, testing laboratories, and quality control professionals involved in plumbing, fluid transport infrastructure, and pressure piping systems. It provides a consistent methodology to verify that assembled joints maintain leak tightness under conditions exceeding nominal pipe pressure.

Key Topics

Scope: The test method exclusively applies to mechanical joints between fittings and plastic pressure pipes. Fusion-welded joints are excluded.

Test Principle: Leak tightness is verified by subjecting the assembled joint to an internal hydrostatic pressure greater than its nominal rating while applying longitudinal pipe stress to simulate actual service conditions.

Test Parameters: Includes test medium (typically water or air), test pressure, duration, temperature, and free pipe length. Parameters are referenced from related standards or, if unspecified, are provided in Annex A of SIST EN ISO 3458:2015.

Apparatus: Details a setup including pressure source, test specimen assembly, pressure measuring devices, valves, and supporting frames. A diagram illustrates the typical apparatus configuration.

Test Pieces: Specifies that joints tested must be assembled according to the manufacturer’s instructions using pipes and fittings intended for the same nominal size and pressure rating. Materials must rest at least 24 hours before testing unless otherwise agreed.

Procedure: Covers specimen filling, conditioning times based on pipe wall thickness, pressurization steps, and continuous monitoring of leakage and pressure stability. For water tests, removal of all air to prevent false readings is emphasized.

Test Report: Outlines mandatory documentation including standard references, pipe and fitting identification, test conditions, measured results, and any anomalies encountered during testing.

Safety Notes: Users must comply with laboratory safety protocols, especially when handling pressurized test media and equipment.

Applications

SIST EN ISO 3458:2015 is applicable across sectors that require dependable plastic piping systems with pressure-bearing capabilities, such as:

Water supply and distribution systems

Industrial fluid transport networks

Irrigation and agricultural piping

HVAC systems involving plastic pressure pipes

Infrastructure requiring certified leak-resistant joints The standard assists manufacturers and engineers in validating mechanical joint performance to prevent leaks, minimize maintenance, and improve system safety. Test results support quality assurance, product certification, and compliance with regulatory requirements.

Related Standards

ISO 138: Plastics pipes, fittings and valves for the transport of fluids - General standards for plastics piping components.

EN 715:1994 - The previous European standard superseded by SIST EN ISO 3458:2015 for mechanical joint leak tightness testing.

Other ISO standards addressing test methods and material specifications for plastic piping systems.

By following SIST EN ISO 3458:2015, stakeholders ensure rigorous, internationally recognized testing of plastic pressure pipe mechanical joints, enhancing durability, safety, and operational reliability of piping installations worldwide.

SIST EN ISO 3458:2015 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

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