Easily-assembled high-sealing ball valve body forge piece - LIN WEIZHONG; CHEN WANZHU (2023)
Keywords: 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; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TAPS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VALVES; WEAPONS