Novel many seal valve device

• Main Author: DENG JINCAI
• Format: Patent
• Language: Chinese; English
• Published: 27.07.2016
• 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 relates to a novel many seal valve device, include: disk seat sleeve, the sealed case of one -level and the sealed case of second grade, be provided with the sealed disk seat of the one -level sealed case of one -level of closely laminating in the disk seat sleeve, the sealed case of one -level forms the linear sealing with the sealed disk seat of one -level, be provided with the sealed disk seat of the second grade sealed case of second grade of closely laminating in the disk seat sleeve, it is sealed that the sealed case of second grade and the sealed disk seat of second grade form the second grade, the medium manhole has been seted up to disk seat sleeve top. It is sealed with the second grade to set up the one -level simultaneously, more can guarantee the tightness that this practical novel many seal valve device can close in the medium of high temperature difference, high pressure difference, and can prolong this practical novel many seal valve device's life, when the one -level is seal