Fireproof valve actuator

The fireproof valve actuator comprises a shell, a bottom plate is arranged in the shell, a main shaft is arranged on the bottom plate in a penetrating mode, the end of the main shaft is connected with a first driving device, the output end of the first driving device is connected with a reduction ge...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZHOU CUIHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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