FLANGE JOINING STRUCTURE OF SELECTION VALVE

PROBLEM TO BE SOLVED: To use a selection valve selectively fastened by gas pressure as one thing, and to enhance versatility by constituting the screw part of the selection valve comparatively long so as to be adapted to high pressure, and using a thin flange for a low pressure time while using a th...

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Bibliographische Detailangaben
1. Verfasser:	KIN MEIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FIRE-FIGHTING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES JOINTS OR FITTINGS FOR PIPES LIFE-SAVING LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To use a selection valve selectively fastened by gas pressure as one thing, and to enhance versatility by constituting the screw part of the selection valve comparatively long so as to be adapted to high pressure, and using a thin flange for a low pressure time while using a thick flange for a high pressure. SOLUTION: In a flange joining structure of connecting a pipeline to the screw part 2 by fastening of flanges 3, 4 by forming the flange joining screw part 2 in the lower part of a selection valve 1, the screw part 2 of the selection valve 1 is formed long so as to be capable of housing a high pressure thing regardless of the magnitude of gas pressure. The flange 3 is prepared by respectively standardizing the thickness for high pressure and low pressure. For a high pressure, the thick flange 3 is used, and while, for a low pressure, the thin flange 3 is used after selectively joining an interval adjusting ring 5. According to this, the selection valve selectively fastened by gas pressure can be used as one thing.