Rubber hoses and hose assemblies for sand and grit blasting - Specification (ISO 3861:2021)

This document specifies the requirements for rubber hoses and hose assemblies for wet and dry sand and grit blasting, suitable for use up to a maximum working pressure of 0,63 MPa (6,3 bar) and over an operating temperature range of −25 °C to +70 °C.

Gummischläuche und -schlauchleitungen zum Sandstrahlen - Spezifikation (ISO 3861:2021)

Dieses Dokument legt die Anforderungen an Gummischläuche und Schlauchleitungen zum Strahlen mit trockenem und nassem Sand und Kies fest, die für die Verwendung bis zu einem maximalen Betriebsdruck von 0,63 MPa (6,3 bar) und einem Betriebstemperaturbereich von −25 °C bis +70 °C geeignet sind.

Tuyaux et flexibles en caoutchouc pour sablage et grenaillage - Spécifications (ISO 3861:2021)

Le présent document spécifie les exigences pour les tuyaux et flexibles en caoutchouc destinés au sablage, sec et humide, et au grenaillage, pouvant être utilisés jusqu'à une pression maximale de service de 0,63 MPa (6,3 bar) et sur une plage de températures de service comprises de −25 °C à +70 °C.

Gumene cevi in cevni priključki za peskanje - Specifikacija (ISO 3861:2021)

General Information

Status
Published
Publication Date
02-Feb-2021
Withdrawal Date
30-Aug-2021
ICS
25.220.10 - Surface preparation
 
83.140.40 - Hoses
Technical Committee
CEN/TC 218 - Rubber and plastics hoses and hose assemblies
Drafting Committee
CEN/TC 218 - Rubber and plastics hoses and hose assemblies
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
03-Feb-2021
Completion Date
03-Feb-2021
Ref Project
SIST EN ISO 3861:2021 - Rubber hoses and hose assemblies for sand and grit blasting - Specification (ISO 3861:2021)

Relations

Replaces
EN ISO 3861:2008 - Rubber hoses for sand and grit blasting - Specification (ISO 3861:2005)
Effective Date
02-Jan-2019

Overview

EN ISO 3861:2021 - Rubber hoses and hose assemblies for sand and grit blasting - is a CEN-adopted ISO specification that defines construction, dimensions, physical properties, testing and marking for rubber hoses and hose assemblies used for wet and dry sand/grit blasting. It applies to products rated for a maximum working pressure of 0,63 MPa (6,3 bar) and an operating temperature range of −25 °C to +70 °C. This edition supersedes earlier versions and adds updated test-frequency and marking requirements.

Key topics and technical requirements

  • Scope & classification
    • Hoses for abrasive blasting (wet and dry).
    • Electrical grades: electrically bonded (marked “M”) and electrically conductive (conductive rubber or bonding wire, marked “Ω”).
  • Materials & construction
    • Three basic components: rubber lining, textile reinforcement, and rubber cover.
    • Optional conductive layer or bonding wires for electrical safety.
    • Lining and cover must be uniform, concentric and free from defects.
  • Dimensions & tolerances
    • Standard inside diameters and tolerances (mm):
      • 12.5 ±0.75, 16 ±0.75, 19 ±0.75, 25 ±1.25, 31.5 ±1.25, 38 ±1.50, 45 ±1.50, 50 ±1.50.
    • Concentricity tolerance ≤ 1,0 mm (total indicator reading).
    • Minimum thickness: lining ≥ 5,0 mm, cover ≥ 1,0 mm.
  • Physical properties
    • Lining: minimum tensile strength 14,0 MPa; minimum elongation 400%; abrasion loss ≤ 140 mm (ISO 4649 method A).
    • Cover: minimum tensile strength 10,0 MPa; minimum elongation 300%.
    • Resistance to ageing: changes in tensile and elongation limited (per ISO 188).
    • Proof pressure for finished hoses: 1,25 MPa (12,5 bar) (hydrostatic testing per ISO 1402).
  • Testing, frequency & marking
    • Includes type tests and routine/production acceptance tests; Annexes A and B define frequencies.
    • Marking requirements for hoses and hose assemblies are specified for traceability and safe use.

Applications and who uses this standard

  • Applied by manufacturers of rubber blast hoses and hose assemblies, assembly shops fitting couplings, and quality/control laboratories.
  • Used by abrasive blasting contractors, shipyards, steelworks, foundries, construction and maintenance teams specifying safe, compliant hoses for surface preparation and cleaning.
  • Useful for procurement specialists, safety managers and engineers who need to ensure hoses meet pressure, temperature, electrical and abrasion-resistance requirements.

Related standards

Normative references in EN ISO 3861:2021 include:

  • ISO 37 (tensile testing), ISO 1402 (hydrostatic test), ISO 4649 (abrasion), ISO 188 (ageing), ISO 4671 (dimensional measurement), ISO 8031 (electrical resistance), ISO 8033 (adhesion), ISO 10619 (flexibility) and ISO 1307 (hose sizes and length tolerances).

Keywords: EN ISO 3861:2021, rubber hoses, hose assemblies, sand blasting, grit blasting, specification, abrasive blasting hoses, proof pressure, abrasion resistance.

Frequently Asked Questions

EN ISO 3861:2021 is a standard published by the European Committee for Standardization (CEN). Its full title is "Rubber hoses and hose assemblies for sand and grit blasting - Specification (ISO 3861:2021)". This standard covers: This document specifies the requirements for rubber hoses and hose assemblies for wet and dry sand and grit blasting, suitable for use up to a maximum working pressure of 0,63 MPa (6,3 bar) and over an operating temperature range of −25 °C to +70 °C.

This document specifies the requirements for rubber hoses and hose assemblies for wet and dry sand and grit blasting, suitable for use up to a maximum working pressure of 0,63 MPa (6,3 bar) and over an operating temperature range of −25 °C to +70 °C.

EN ISO 3861:2021 is classified under the following ICS (International Classification for Standards) categories: 25.220.10 - Surface preparation; 83.140.40 - Hoses. The ICS classification helps identify the subject area and facilitates finding related standards.

EN ISO 3861:2021 has the following relationships with other standards: It is inter standard links to EN ISO 3861:2008. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase EN ISO 3861:2021 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.

Standards Content (Sample)


SLOVENSKI STANDARD
01-april-2021
Nadomešča:
SIST EN ISO 3861:2009
Gumene cevi in cevni priključki za peskanje - Specifikacija (ISO 3861:2021)
Rubber hoses and hose assemblies for sand and grit blasting - Specification (ISO
3861:2021)
Gummischläuche und -schlauchleitungen zum Sandstrahlen - Anforderungen (ISO
3861:2021)
Tuyaux et flexibles en caoutchouc pour sablage et grenaillage - Spécifications (ISO
3861:2021)
Ta slovenski standard je istoveten z: EN ISO 3861:2021
ICS:
83.140.40 Gumene cevi Hoses
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 3861
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2021
EUROPÄISCHE NORM
ICS 25.220.10; 83.140.40 Supersedes EN ISO 3861:2008
English Version
Rubber hoses and hose assemblies for sand and grit
blasting - Specification (ISO 3861:2021)
Tuyaux et flexibles en caoutchouc pour sablage et Gummischläuche und -schlauchleitungen zum
grenaillage - Spécifications (ISO 3861:2021) Sandstrahlen - Anforderungen (ISO 3861:2021)
This European Standard was approved by CEN on 4 January 2021.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3861:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 3861:2021) has been prepared by Technical Committee ISO/TC 45 "Rubber and
rubber products" in collaboration with Technical Committee CEN/TC 218 “Rubber and plastics hoses
and hose assemblies” the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by August 2021, and conflicting national standards shall
be withdrawn at the latest by August 2021.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 3861:2008.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 3861:2021 has been approved by CEN as EN ISO 3861:2021 without any modification.

INTERNATIONAL ISO
STANDARD 3861
Fourth edition
2021-01
Rubber hoses and hose assemblies for
sand and grit blasting — Specification
Tuyaux et flexibles en caoutchouc pour sablage et grenaillage —
Spécifications
Reference number
ISO 3861:2021(E)
©
ISO 2021
ISO 3861:2021(E)
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved

ISO 3861:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification . 2
5 Materials and construction . 2
6 Dimensions . 2
6.1 Inside diameter and tolerances . 2
6.2 Concentricity. 3
6.3 Tolerance on length . 3
6.4 Minimum thickness of lining and cover . 3
7 Physical properties . 3
7.1 Rubber compounds . 3
7.2 Finished hoses and hose assemblies . 3
8 Frequency of testing . 4
9 Marking . 4
9.1 Hoses . 4
9.2 Hose assemblies . 5
Annex A (normative) Test frequency for type tests and routine tests . 6
Annex B (informative) Production acceptance tests . 7
ISO 3861:2021(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 45, Rubber and rubber products,
Subcommittee SC 1, Rubber and plastics hoses and hose assemblies, in collaboration with the European
Committee for Standardization (CEN) Technical Committee CEN/TC 218 Rubber and plastics hoses and
hose assemblies, in accordance with the Agreement on technical cooperation between ISO and CEN
(Vienna Agreement).
This fourth edition cancels and replaces the third edition (ISO 3861:2005), which has been technically
revised. The main changes compared to the previous edition are as follows:
— MPa units have been added throughout the document;
— Clause 2 has been updated;
— inside diameters of 20 mm and 40 mm have been deleted;
— Clause 8 on frequency of testing, and Annexes A and B have been added;
— Clause 9 on marking has been updated.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © IS
...

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SIST EN ISO 3861:2021 표준 문서는 모래 및 그릿 블라스팅 용의 고무 호스와 호스 조합의 요구 사항을 규정하고 있습니다. 이 표준은 최대 작업 압력이 0.63 MPa(6.3 bar)이고, 작동 온도 범위가 -25 °C에서 +70 °C까지인 조건에서 적합한 제품에 대한 규정을 제공합니다. 이 표준의 강점은 사용 환경에 맞는 명확한 사양을 마련해 사용자들이 신뢰할 수 있는 제품을 선택할 수 있도록 돕는 것입니다. 또한, 고무 호스의 내구성 및 성능이 극한의 온도와 압력에서도 유지될 수 있도록 요구 조건을 세분화하여 제시하고 있습니다. EN ISO 3861:2021 표준은 모래 및 그릿 블라스팅 분야에서 필수적으로 고려해야 할 안전성과 효율성을 동시에 보장하며, 다양한 산업 응용 분야에서의 적합성을 강조합니다. 이로 인해, 표준화 문서는 제품 개발 및 품질 관리에 있어 매우 중요한 역할을 하며, 어린 블라스팅 기계에 적합한 호스 및 호스 조합을 보장하는 데 큰 기여를 하고 있습니다. 결론적으로, SIST EN ISO 3861:2021 표준은 제품의 안전성과 신뢰성을 향상시키면서 사용자의 요구에 부응하기 위한 중요한 지침을 제공하는 매우 유용한 문서입니다.

Die Norm EN ISO 3861:2021 legt umfassende Anforderungen für Gummischläuche und Schlauchleitungen fest, die speziell für das Sand- und Gritstrahlen sowohl im nassen als auch im trockenen Zustand geeignet sind. Diese Norm ist kritisch für die industrielle Anwendung, da sie Prozesse unterstützt, die bis zu einem maximalen Betriebsdruck von 0,63 MPa (6,3 bar) und innerhalb eines Temperaturbereichs von -25 °C bis +70 °C durchgeführt werden. Ein wesentlicher Vorteil der EN ISO 3861:2021 ist ihre klare Definition der technischen Standards, die sicherstellen, dass Gummischläuche und Schlauchleitungen unter extremen Bedingungen zuverlässig funktionieren. Die Norm fördert nicht nur die Sicherheit der Anwender, sondern minimiert auch das Risiko von Materialversagen während des Betriebs, wodurch sie für Betriebe, die Sand- und Gritstrahlen durchführen, von entscheidender Bedeutung ist. Ein weiterer Pluspunkt der Norm liegt in ihrer Anpassungsfähigkeit an verschiedene Anwendungen. Die geforderten Spezifikationen berücksichtigen die unterschiedlichen Anforderungen an die Schlauchleitungen, was die Norm für eine breite Palette von Industrieanwendungen relevant macht. Die Standardisierung in diesem Bereich trägt auch dazu bei, den Austausch von Materialien zwischen Herstellern zu vereinfachen und somit die Effizienz der Produktions- und Wartungsprozesse zu steigern. Die Relevanz der EN ISO 3861:2021 erstreckt sich über die Anforderungen hinaus und schließt die Sicherheit und Zuverlässigkeit in der Anwendung ein. Durch die Implementierung dieser Norm können Unternehmen sicherstellen, dass sie hochwertige Materialien verwenden, die den internationalen Standards entsprechen. Dies ist nicht nur vorteilhaft für die Qualität der Arbeit, sondern auch für die Einhaltung von Vorschriften in Bezug auf Sicherheit und Gesundheit am Arbeitsplatz. Insgesamt bietet die Norm EN ISO 3861:2021 eine solide Grundlage für die Qualitätssicherung und technische Harmonisierung im Bereich der Gummischläuche und Schlauchleitungen für das Sand- und Gritstrahlen, wodurch sie sich als unverzichtbar für Fachleute in diesem Sektor erweist.

La norme SIST EN ISO 3861:2021 est un document essentiel qui définit les exigences des tuyaux en caoutchouc et des ensembles de tuyaux pour le sablage à l'eau et à sec. Cette norme s'applique à une large gamme d'applications, garantissant ainsi la sécurité et la performance des équipements utilisés dans des environnements potentiellement abrasifs. Un des points forts de cette norme est sa spécification claire concernant les conditions de pression et de température. En effet, elle permet l'utilisation de tuyaux avec une pression de travail maximale de 0,63 MPa (6,3 bars) et dans une plage de température allant de −25 °C à +70 °C. Cette large plage d'utilisation rend la norme très pertinente pour divers secteurs industriels où le sablage est pratiqué. De plus, la norme aborde également des aspects tels que la durabilité et la résistance à l'abrasion des tuyaux, garantissant ainsi une performance fiable dans des conditions difficiles. Ce cadre de référence joue un rôle clé dans l'assurance qualité des matériaux, contribuant ainsi à la sécurité des opérateurs et à la réduction des arrêts de production dus à des défaillances d'équipement. La norme SIST EN ISO 3861:2021 démontre également une adéquation avec les pratiques internationales, ce qui favorise l'harmonisation des standards à l'échelle mondiale. Cela permet aux fabricants et utilisateurs de bénéficier d'une compréhension commune des exigences, facilitant ainsi les échanges commerciaux et l'exportation. En somme, cette norme offre une couverture exhaustive des exigences relatives aux tuyaux en caoutchouc pour le sablage, renforçant la confiance des utilisateurs dans les performances de leurs équipements, tout en étant un outil crucial pour les fabricants cherchant à se conformer à des standards de qualité élevés.

The EN ISO 3861:2021 standard provides comprehensive specifications for rubber hoses and hose assemblies specifically designed for sand and grit blasting applications. This standard addresses both wet and dry blasting methods, ensuring that users can rely on hoses that meet stringent performance criteria. One of the key strengths of EN ISO 3861:2021 is its clear definition of the operational parameters, stating a maximum working pressure of 0.63 MPa (6.3 bar). This specification ensures safety and reliability, allowing operators to confidently utilize these hoses in various blasting scenarios without compromising performance. Moreover, the specified operating temperature range of −25 °C to +70 °C highlights the versatility of the hoses, making them suitable for a diverse range of environmental conditions. The relevance of this standard extends beyond safety and performance; it also addresses compatibility and durability in aggressive environments typical of sand and grit blasting processes. By outlining material requirements and testing methodologies, EN ISO 3861:2021 supports manufacturers in producing high-quality products that can withstand the rigorous demands of the industry. Overall, EN ISO 3861:2021 serves as an essential guideline for the manufacturing and procurement of rubber hoses and hose assemblies for sand and grit blasting, enhancing operational efficiency and safety in blasting operations. The detailed specifications help ensure that products comply with industry best practices, promoting consistent quality and performance across applications.

SIST EN ISO 3861:2021は、砂と grit ブラスト用のゴムホースおよびホースアセンブリに関する仕様を定めた重要な標準です。この文書は、湿式および乾式の砂と grit ブラストに適したゴムホースとホースアセンブリの要件を指定しており、最大作業圧力0.63 MPa（6.3 bar）での使用を想定しています。また、動作温度範囲は−25 °Cから+70 °Cに対応しており、さまざまな環境条件下での適応性が高いことが特徴です。 この標準の強みは、ゴムホース及びホースアセンブリの性能と安全性を保証するための明確な要件を提供している点です。特に、圧力や温度の管理に関する指針が詳細で、製造業者や使用者にとって信頼性の高い製品を選択するための重要な基準となります。このような要件は、効率的かつ安全な作業環境を実現するために不可欠です。 さらに、SIST EN ISO 3861:2021は国際的にも認められている標準であり、国境を越えて使用されることが期待されます。これにより、企業は異なる市場での競争力を維持しつつ、安全で高品質な製品を提供し続けることができます。 全体として、EN ISO 3861:2021は、砂と grit ブラストに使用されるゴムホースおよびホースアセンブリに対する高い品質基準を確立する重要な文書です。この標準の導入は、業界のベストプラクティスに基づく安全性と効率を確保し、長期的な経済性を向上させることに寄与します。