Gas leakage rapid cutoff valve

• Main Authors: ZHAOHONG TAN, HUAYING FENG
• Format: Patent
• Language: English
• Published: 04.08.2004
• Edition: 7
• 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 fast isolating valve for gas leakage, belonging to valve class. The utility model mainly includes a valve body, the valve body is provided with a main valve seal plug, the inside of the valve body is provided with a static iron core, a movable iron core and a coil winding, a pull rod is connected with the main valve seal plug, a spring is arranged on the main valve seal plug, a positioning slot is arranged in the pull rod, a self locking suppository is arranged in the positioning slot, one end of the self locking suppository is connected with an ejector pins. The utility model can cut off the main valve rapidly without depending on electric power when gas leaking happens, with high temperature resistance and high vibration prevention, safe and reliable operation, and wide use.