Disassembly-free density relay verification valve seat structure

The invention relates to the technical field of electric power, in particular to a disassembly-free density relay verification valve seat structure, which comprises a valve seat shell, a separator, a density relay and a calibrator, and is characterized in that the separator is inserted in the valve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SONG RENJIE, ZHOU GULIANG, JIA KUNQI, ZHANG SONG, XU PENG, ZHANG TING, LI ZHONGHAO, WANG HAITI, YANG YI, HU ZHENGYONG, WEN JUN, SHEN ZHUFU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS RELAYS SELECTORS TESTING
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