Fixed ball valve of low moment of torsion natural gas

• Main Authors: TIAN HONGZHOU, LIANG SHITIAN, LIANG SHISEN
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2017
• 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 discloses a fixed ball valve of low moment of torsion natural gas, including valve body and valve rod, the valve body divide into left valve body, midbody and right valve body, be connected through the midbody between left side valve body and the right valve body, be provided with left fluid passage on the valve body of a left side, be provided with right fluid passage on the valve body of the right side, it has middle fluid passage to open on the midbody, the case up end is provided with the supporting shoe, the one end that goes up the supporting shoe is connected with left valve body upper portion inner wall, the other end of going up the supporting shoe is connected with right valve body upper portion inner wall, it has the valve rod hole to go up middle the opening of supporting shoe, the valve rod runs through from the valve rod hole of last supporting shoe, the valve rod lower extreme is connected with the midbody, upwards extend from the valve body valve rod upper end, the terminal s