ICS 23.060.01
Valves in general
Standards in This Category
LVS EN 736-3:2008
Valves - Terminology - Part 3: Definition of terms
This document establishes a standardized framework for the third part of a comprehensive series focused on terminology and terminology science. It specifically defines the core principles and
LVS EN 917:2000
Plastics piping systems - Thermoplastics valves - Test methods for resistance to internal pressure and leaktightness
This specification establishes a comprehensive framework for evaluating the sealing performance and resistance to internal pressure in thermoplastic valves utilized within plastic piping systems. It
LVS EN 1074-2:2001
Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 2: Isolating valves
This technical document establishes specific applicability requirements and validation test procedures for isolation valves used in water supply systems. It serves as a regional adaptation of a
LVS EN 1267:2012
Industrial valves - Test of flow resistance using water as test fluid
This document outlines the technical specifications for conducting resistance tests on industrial valves when water is utilized as the test fluid. It establishes the necessary procedures and criteria
LVS EN 1626:2009
Cryogenic vessels - Valves for cryogenic service
This document establishes specific technical requirements and test methods for valves intended for cryogenic service, primarily designed for use with low-temperature storage tanks. It focuses on
LVS EN 1704:2000
Plastics piping systems - Thermoplastics valves - Test method for the integrity of a valve after temperature cycling under bending
This standard establishes a specific test method designed to evaluate the integrity of thermoplastic valves used within plastic pipe systems. The procedure focuses on subjecting valves to bending
LVS EN 1680:2025
Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanisms
This document establishes a comprehensive methodology for evaluating the sealing performance of valves integrated within polyethylene piping systems. The scope encompasses specific testing procedures
LVS EN 1705:2025
Plastics piping systems - Thermoplastics valves - Test method for the integrity of a valve after an external blow
This technical specification defines a standardized test method for evaluating the resistance of thermoplastic valves used within plastic piping systems against external impact. It establishes
LVS EN 1717:2025
Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow
This technical specification establishes general requirements aimed at preventing contamination of drinking water within water supply systems, with a specific focus on avoiding backflow incidents. It
LVS EN ISO 5117:2023
Automatic steam traps - Production and performance characteristic tests (ISO 5117:2023)
This document establishes the technical specifications for testing the performance characteristics and production quality of automatic condensate traps. It defines the necessary procedures to
LVS EN ISO 5211:2023
Industrial valves - Part-turn actuator attachments (ISO 5211:2023)
This document establishes comprehensive technical requirements and test methods for the mounting accessories of quarter-turn valves in industrial applications. It defines the interface between valve
LVS EN ISO 5640:2025
Industrial valves - Mounting kits for part-turn valve actuator attachment (ISO 5640:2024)
This document establishes technical specifications for accessory components that facilitate the connection between drive devices and part-turn valve actuators in industrial valve systems. It defines
LVS EN ISO 6553:2017
Automatic steam traps - Marking (ISO 6553:2016)
This specification establishes the requirements for the marking of automatic steam traps, aligning with international guidelines for industrial fluid handling components. It defines the format,
LVS EN ISO 10497:2023
Testing of valves - Fire type-testing requirements (ISO 10497:2022)
This technical specification defines the essential requirements for evaluating the fire resistance of valves, aligning with international guidelines established for industrial safety. It outlines the
LVS EN 12119:2000
Plastics piping systems - Polyethylene (PE) valves - Test method for resistance to thermal cycling
This technical document establishes a standardized procedure for evaluating the performance of polyethylene valves used within plastic pipeline systems. The primary focus is on determining the
LVS EN 12201-4:2024
Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 4: Valves for water supply systems
This document establishes comprehensive technical specifications for plastic valve systems designed to operate within pressurized water supply networks constructed from polyethylene materials. It
LVS EN 12266-2:2012
Industrial valves - Testing of metallic valves - Part 2: Tests, test procedures and acceptance criteria - Supplementary requirements
This document establishes supplementary requirements for testing, test procedures, and acceptance criteria specific to metallic valves within industrial applications. It serves as a specialized annex
LVS EN 12266-1:2012
Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements
This document establishes comprehensive requirements for the testing of metal valves used in industrial applications. It specifically outlines procedures for pressure testing, detailing the
LVS EN 12351:2010
Industrial valves - Protective caps for valves with flanged connections
This document specifies requirements for protective caps designed for flanged valves used in industrial applications. It outlines the necessary characteristics and testing procedures to ensure that
LVS EN 12570:2002
Industrial valves - Method for sizing the operating element
This document outlines a technical specification developed by the Latvian standards body for the selection and sizing of control elements used in industrial valve systems. It provides a standardized