Tandem double-valve-plug one-way valve for high pressure and redundancy sealing

• Main Authors: JIA JINGWEI, CHEN WEIYU, WANG ZHIYONG, XIE NING, CHENG YAWEI, LEI HENG, FENG JUNHUA
• Format: Patent
• Language: Chinese; English
• Published: 12.06.2013
• 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

The utility model relates to a tandem double-valve-plug one-way valve for high pressure and redundancy sealing, which comprises a housing, and a spring seat, a small spring, an outlet valve seat, an outlet valve plug, a large spring, an inlet valve seat and an inlet valve plug that are sequentially...