SIST EN 681-4:2000

• Abstract:

  This Standard specifies requirements for materials used in factory cast polyurethane sealing elements used in joints for drainage, sewerage and rainwater systems and non potable water supply for continuous flow up to 45°C. General requirements for finished joint seals are also given; any additional requirements called for by the particular application are specified in the relevant product standards taking into account that the performance of pipe joints is a function of the seal material properties, seal geometry and pipe joint design.; This Standard is applicable to joint seals for all pipeline materials, including iron, steel, clay, fibre cement, concrete, plastics and glass-reinforced plastics.

• Status: Published
• Publication Date: 30-Nov-2000
• ICS: 23.040.80 - Seals for pipe and hose assemblies
• Technical Committee: SS SPL - Technical Board for the general field
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2000
• Due Date: 01-Dec-2000
• Completion Date: 01-Dec-2000
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
  OJ Ref: C 259 OJ Date: 08-Aug-2014
• Directive:

  ---

  89/106/EEC - Construction products
  OJ Ref: C 139 OJ Date: 08-Jun-2005
• Mandate: M/131 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on pipes, tanks and ancillaries, not in contact with water intended for human consumption
• Ref Project: EN 681-4:2000 - Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications - Part 4: Cast polyurethane sealing elements

• Refers: SIST EN ISO 9001:2026 - Quality management systems - Requirements (ISO 9001:2026)
• Effective Date: 17-Sep-2026
• Refers: SIST ISO 2859-1:2003 - Sampling procedures for inspection by attributes -- Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
• Effective Date: 25-Mar-2026
• Refers: SIST ISO 3951:1996 - Sampling procedures and charts for inspection by variables for percent nonconforming
• Effective Date: 09-Feb-2026
• Refers: SIST EN 1123-2:2007+A1:2007 - Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems - Part 2: Dimensions
• Effective Date: 28-Jan-2026
• Refers: SIST EN 196-1:1995 - Methods of testing cement - Part 1: Determination of strength
• Effective Date: 28-Jan-2026
• Refers: SIST EN 594:1996 - Timber structures - Test methods - Racking strength and stiffness of timber frame wall panels
• Effective Date: 28-Jan-2026
• Refers: SIST EN 596:1996 - Timber structures - Test methods - Soft body impact test of timber framed walls
• Effective Date: 28-Jan-2026
• Refers: SIST EN 2591-316:2001 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 316: Ozone resistance
• Effective Date: 28-Jan-2026
• Refers: SIST EN ISO 19879:2005 - Metallic tube connections for fluid power and general use - Test methods for hydraulic fluid power connections (ISO 19879:2005)
• Effective Date: 28-Jan-2026
• Refers: SIST EN ISO 9001:2015 - Quality management systems - Requirements (ISO 9001:2015)
• Effective Date: 28-Jan-2026
• Refers: SIST EN 1602:1997/AC:1999 - Thermal insulating products for building applications - Determination of the apparent density
• Effective Date: 28-Jan-2026
• Refers: SIST EN 1870-15:2005 - Safety of woodworking machines - Circular sawing machines - Part 15: Multiblade cross-cut sawing machines with integrated feed of the workpiece and manual loading and/or unloading
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 14741:2006 - Thermoplastics piping and ducting systems - Joints for buried non-pressure applications - Test method for the long-term sealing performance of joints with elastomeric seals by estimating the sealing pressure
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 11296-1:2018 - Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 1: General (ISO 11296-1:2018)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 13476-1:2025 - Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: General requirements and performance characteristics
• Effective Date: 28-Jan-2026

Overview

SIST EN 681-4:2000 is a European Standard developed by CEN, focusing on materials requirements for elastomeric pipe joint seals, specifically cast polyurethane sealing elements. This standard ensures that sealing materials used in water and drainage applications meet stringent quality and performance criteria to maintain reliable and durable joint integrity. It applies to factory-cast polyurethane seals used in joints for drainage, sewerage, rainwater systems, and non-potable water supplies with continuous flow temperatures up to 45°C.

The standard covers seals compatible with various pipeline materials including iron, steel, clay, fibre cement, concrete, plastics, and glass-reinforced plastics. It also highlights the importance of seal material properties, seal geometry, and joint design in achieving optimal pipeline performance.

Key Topics

• Material Specifications: Defines the physical and chemical requirements for cast polyurethane sealing elements to ensure durability and resistance to environmental factors typical in water and drainage systems.
• Application Range: Suitable for drainage, sewerage, rainwater systems, and non-potable water supply pipelines, supporting continuous flow temperatures up to 45°C.
• Compatibility: Applicable across a wide range of pipeline materials such as:
  • Iron and steel
  • Clay and fibre cement
  • Concrete
  • Various plastics and glass-reinforced plastics
• General Seal Requirements: Outlines general performance parameters for finished joint seals, ensuring effective sealing under operational conditions.
• Performance Factors: Emphasizes that successful pipe joint sealing depends on a combination of seal material quality, seal geometry, and overall pipe joint design.

Applications

SIST EN 681-4:2000 is essential for manufacturers, engineers, and quality assurance professionals involved in producing and selecting pipe joint seals for water and drainage infrastructure. Key applications include:

• Municipal sewerage and drainage systems: Reliable sealing in pipes that manage wastewater and stormwater.
• Rainwater collection and transport: Ensuring watertight joints in rainwater drainage networks.
• Non-potable water systems: Providing durable seals in pipelines transporting recycled or reclaimed water.
• Industrial drainage and water systems: Effective sealing in processes requiring resistance to moderate temperature and chemical exposure.
• Pipeline rehabilitation and maintenance: Replacing or upgrading seals to meet standardized material requirements ensures system longevity and regulatory compliance.

Related Standards

SIST EN 681-4:2000 is part of a broader family of standards on elastomeric seals used in pipe joint assemblies. Other relevant standards to consider include:

• EN 681-1 to EN 681-3: Covering different types of elastomers and their material requirements for various water and drainage applications.
• Product-specific standards: Standards tailored to particular pipe types and applications that may specify additional performance criteria beyond SIST EN 681-4:2000.
• Pipe joint design standards: Documents that complement material standards by specifying mechanical and structural joint requirements.

By integrating SIST EN 681-4:2000 in product design and quality control, stakeholders ensure optimal performance of polyurethane sealing elements in diverse water and drainage systems, enhancing durability, environmental resistance, and compliance with European regulatory frameworks.

Keywords: SIST EN 681-4:2000, elastomeric seals, cast polyurethane seal, pipe joint seals, water and drainage applications, drainage system seals, non-potable water supply seals, pipe seal materials, pipeline sealing standards, CEN standards.

SLOVENSKI STANDARD
01-december-2000
Elastomerna tesnila – Zahteve za materiale za tesnila za uporabo v napeljavah za
vodo in kanalizacijo – 4. del: Poliuretanski tesnilni elementi
Elastomeric seals - Materials requirements for pipe joint seals used in water and
drainage applications - Part 4: Cast polyurethane sealing elements
Elastomer-Dichtungen - Werkstoff-Anforderungen für Rohrleitungs-Dichtmittel für
Anwendungen in der Entwässerung und Kanalisation - Teil 4: Dichtelemente aus
gegossenem Polyurethan
Garnitur
...