EN 13126的本部分规定了耐久性、强度的要求和试验方法，根据资料性附录C图C.1至C.7所示的一般应用，水平滑动滚轮和向内或向外滑动折叠窗和门高窗五金件的安全性和功能。本文件适用于滚轮，无论它们是否可调，也不管固定方法或类型，或如果它们独立使用，或以倍数或组合方式使用。测试滑动折叠窗和门高窗（Q、R和S型窗）滚轮时使用的五金件的所有部件（例如导轨、横向导轨、导轨、铰链）都被视为完整滑动折叠五金件的一部分。

This part of EN 13126 specifies requirements and test methods for durability, strength, security and function of rollers for horizontal sliding and hardware for inward or outward sliding folding windows and door height windows in accordance with common application as shown in Figures C.1 to C.7 in informative Annex C. This document is applicable to rollers irrespective of whether they are adjustable or not and irrespective of the method or type of fixing or if they are used independently, or in multiples or combinations. All components of the hardware (e.g. guide tracks, lateral guides, rails, hinges) used while testing the rollers for sliding folding windows and door height windows (window types Q, R and S) are considered to be part of the complete sliding folding hardware set.