Plastic ball valve

The utility model relates to a plastic valve device field, in particular to plastic ball valve, its technical scheme main points are: including the plastics valve body, be provided with the case in the plastics valve body, the case includes valve rod and valve ball, be provided with the through -hol...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	DAI YUANSHENG
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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