當前位置： 首頁 > 標準詳情頁

UNI EN 257:1994被替代

Mechanical Thermostats For Gas-burning Appliances

出版：Italian Standards

獲取原文如何獲取原文？問客服獲取原文，即可享受本標準狀態變更提醒服務！

專家解讀視頻

基本信息

標準編號： UNI EN 257:1994

標準類別：Standard

出版單位：Italian Standards

標準頁數：0

標準簡介

Describes the construction and performance requirements for mechanical thermostats for gas applications. Establishes the definitions, test conditions and marking. Applies to mechanical thermostats controlling the gas flow directly or indirectly through an integral gas valve, and which do not require external electrical energy for their operation. Applies to thermostats for all gas appliances. Excludes thermostats used with gas appliances installed in the open air.

標準備注

1994 Edition re-issued in Jan 1998 and incorporates AMD 1 1998. (03/2008)

替代本標準的新標準

UNI EN 257:2010

等同采用的國際標準

UNE EN 257:1994 - Identical

SS EN 257 Ed. 1 (1992) - Identical

NS EN 257:1992 - Identical

NF EN 257:1992 - Identical

I.S. EN 257:1992 - Identical

NBN EN 257:1992 - Identical

BS EN 257:1992 - Identical