Backflow valve for drain pipes

The backflow valve has a bypass duct (3) in which ball is provided. A guide (4) is arranged in the bypass duct for guiding the ball with respect to down position and top position. The sealing element (5) is provided in the top position, having diameter same as the drain pipe (1). The guide is formed...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	GRAUL, NIKLAS-SIMON
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	CESSPOOLS FIXED CONSTRUCTIONS SEWERAGE SEWERS WATER SUPPLY
Online-Zugang:	Volltext bestellen
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