Dual-sealed liquefied air bottle valve

The utility model discloses a dual-sealed liquefied air bottle valve which comprises a valve body (1), a hand wheel (8) and a valve rod (7), wherein a valve pad (2) is arranged below the valve rod (7); a valve (4) is movably sleeved on the valve rod (7), and is provided with two O-shaped sealed ring...

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Bibliographic Details
Main Authors CHEN TAIHUA, NI FEI, JI FULIANG
Format Patent
LanguageChinese
English
Published 06.02.2013
Subjects
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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Summary:The utility model discloses a dual-sealed liquefied air bottle valve which comprises a valve body (1), a hand wheel (8) and a valve rod (7), wherein a valve pad (2) is arranged below the valve rod (7); a valve (4) is movably sleeved on the valve rod (7), and is provided with two O-shaped sealed rings (3) at intervals; the valve rod (7) is threadedly connected with a nut (9); an outer thread on the nut (9) is connected with the valve body (1), and is radially locked and fixed by a rivet (6); and a hand wheel (8) is riveted on the upper end surface of the valve rod (7). The dual-sealed liquefied air bottle valve provided by the utility model is easy and flexible to operate, is reliable in seal, and has a long service life.
Bibliography:Application Number: CN20122367671U