ISO 23551-9:2015 气体燃烧器和燃气器具的安全和控制装置 特殊要求 第9部分：机械燃气恒温器

标准编号：ISO 23551-9:2015

中文名称：气体燃烧器和燃气器具的安全和控制装置 特殊要求 第9部分：机械燃气恒温器

英文名称：Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 9: Mechanical gas thermostats

发布日期：2015-08

标准范围

This part of ISO 23551 specifies safety, constructional, and performance requirements and testing ofmechanical gas thermostat for gas burners, gas appliances, and similar use hereafter referred to as“thermostats”.This part of ISO 23551 covers type testing only.This part of ISO 23551 applies to mechanical gas thermostats of nominal connection sizes up to andincluding DN 50 with declared maximum inlet pressures up to and including 50 kPa for burners and gasburningappliances using fuel gases as natural gas, manufactured gas, and liquefied petroleum gas (LPG).This part of ISO 23551 applies to mechanical thermostats controlling the gas flow directly or indirectlythrough an integral gas valve and which do not require external electrical energy for their operation.This part of ISO 23551 only applies to mechanical thermostats used on gas appliances where thethermostat is not directly exposed to the outdoor environment.This part of ISO 23551 only applies to mechanical thermostats which are intended for operatingcontrol functions.

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