Sewage stopper systems

A sewage backflow assembly of sewage stopper systems is a check valve designed to operate with low flows such as is found in sewage drain pipes. The check valve disc is light weight plastic and easily lifts when outgoing flow is present but closes when backflow occurs to prevent flooding of building...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Dansbury Tremaine, Marshall Delvin
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING CESSPOOLS COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING SEWERAGE SEWERS TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL VALVES WATER SUPPLY WEAPONS
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Beschreibung
Zusammenfassung:	A sewage backflow assembly of sewage stopper systems is a check valve designed to operate with low flows such as is found in sewage drain pipes. The check valve disc is light weight plastic and easily lifts when outgoing flow is present but closes when backflow occurs to prevent flooding of building structures. The device has an inlet pipe segment, a flapper housing with a flapper, and an outlet pipe segment. The sewage backflow assembly may be glued into a pipe using glue type slip couplers or may be installed using re-useable pipe clamps.