Drainage valve for solar energy water heater

The utility model relates to an evacuation valve used for the solar water heater, and pertains to the solar water heater fittings. One end of the valve is connected with one end of the piston cylinder, and on the outside end of the piston cylinder is arranged a water control connector. The piston in...

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Bibliographische Detailangaben
1. Verfasser:	YUQUN,TANG TANG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DOMESTIC HOT-WATER SUPPLY SYSTEMS DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS ELEMENTS OR COMPONENTS THEREFOR GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING RANGES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to an evacuation valve used for the solar water heater, and pertains to the solar water heater fittings. One end of the valve is connected with one end of the piston cylinder, and on the outside end of the piston cylinder is arranged a water control connector. The piston inside the piston cylinder connects with the cylinder rod. Besides, the piston and the piston cylinder form a gap in between. On the upper end of the valve is arranged the piston rod hole which leaves the gap with the piston rod. On the other end of the valve is the tank liner connector which is provided with the cover gasket. The cover gasket is connected with the other end of the piston rod, whereas one end of the valve is provided the upper and the lower water connectors. The utility model is simple in structure and easy in the way of making and installing. By the water pressure control, the utility model works fast and is reliable in the features. Besides, the utility model enables the upper and the lower pipes of the solar water heater to evacuate, and thus, preventing the frost cleft of the water pipe. Therefore, the solar water heater functions properly in wintertime, and the service performance is largely improved.