最新BSEN12541-卫生间水龙头压力冲洗阀和自动关闭小便池冲洗阀PN10

B S E N12541-2002卫生间水龙头压力冲洗阀和自动关闭小便池冲洗阀P N10

BS EN 12541-2002

卫生间水龙头压力冲洗阀和自动关闭小便池冲洗阀PN10 Contents 内容

Foreword 前言

1 Scope 范围

2 Normative references 规范性引用

3 Terms and definitions 术语和定义

4 Classification and Designation 分类和命名

4.1 Classification of flushing valves 冲洗阀分类

4.2 Classification of urinal valves 小便器冲洗阀分类

5 Marking 标记

6 Materials 材料

7 Dimensional characteristics 尺寸特征

7.1 WC flushing valve 大便器冲洗阀

7.2 Urinal valves 小便器冲洗阀

8 Leaktightness characteristics 密封性能（1.6Mpa±0.05MPa）

8.1 General 概述

8.2 Leaktightness tests 密封性试验

8.3 Leaktightness tests – Summary table 密封性试验-总结表

9 Pressure resistance characteristics 耐压特征（2.5MPa±0.05MPa）9.1 Genaral 概述

9.2 Mechanical behaviour tests 力学性能测试

9.3 Mechanical behaviour tests – Summary table 力学性能测试-总结表

10 Hydraulic and flow characteristics of WC flushing valves

冲洗阀液压流量特性（DN25管道，1.5l/s的流量，水锤测试时对管道长度和压力、流量传感器都输出频率有要求）

10.1 General 概述

10.2 Test method for WC flushing valves 大便器冲洗阀试验方法

10.3 Outline of flow rate-time-volume-impact force test and requirements

出水口的流速-时间-流量冲击力试验和要求

10.4 Summary of requirements 要求概述

10.5 Measurement of water hammer 水锤检测

11 Principle and verification of atmospheric pipe interrupters of WC flushing valves

真空测试

11.1 General

11.2 Atmospheric pipe interrupter composition

11.3 Installation conditions

11.4 Verification of absence of water splashes

11.5 Verification of operation at vacuum

12 Hydraulic or flow characteristics of urinal valves 小便器液压流量特性12.1 General

12.2 Test method for urinal valves

12.3 Requirements

13 Operating force 操作力

14 Mechanical endurance characteristics 机械寿命特性

14.1 General

14.2 WC flushing valves

14.3 Urinal valves

15 Acoustic characteristics 声学特性

15.1 General

15.2 Procedure

15.3 Requirements

The measuring equipment and the pressure/flow rate/force/time recorder shall be such that the specification given can be verified. Its pass-band shall be not less than 400Hz. The acquisition frequency shall not be less than 400 Hz to measure the water hammer.

The total length of the pipe work between B and C shall be (20±0.2)m