Ultra-low temperature upper assembling type fixes ball valve

• Main Authors: WANG ZHONGYUAN, WU HUAIMIN, ZHANG MIAOMIAO, HUANG AIYI
• Format: Patent
• Language: English
• Published: 02.09.2015
• 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

The utility model provides an ultra-low temperature upper assembling type fixes ball valve. The problem of current ultra-low temperature ball valve sealing performance poor, can not on-line measuring is solved. It includes support, valve body, valve gap, spheroid and gland, the valve gap locate the top of valve body and form the holding chamber with valve body cooperation, the spheroid locate the holding intracavity, the valve body in be equipped with seat kits, the cooperation of seat kits and spheroid separate the holding chamber for installation cavity and media channel, seat kits include round pin dish, uide pin, first sealing member, second sealing member and disk seat, uide pin one end driven-in pin dish in, the other end insert in the disk seat and with the disk seat cooperation of sliding, the disk seat on be equipped with the third sealing member of laminating mutually with the spheroid, the disk seat overcoat be equipped with the disk seat swivel nut, the disk seat swivel nut on be equipped with the set screw who is used for fixed disk seat swivel nut. The utility model discloses still have simple structure, convenient assembling, long service life, seal advantages such as reliable.