Flow velocity control valve

摘要: PURPOSE: To enable precise flow velocity control by providing in same passage a rate part having needle fitted into through hole sliding-free and out of said reverse check cone shaped diaphragm the circumference which is abutted to passage. CONSTITUTION: A pushnut 16 formed stainless steel sheet with springiness six legs extending gradually umbrella like manner installed abutting stepped a2 14, being made at center synthetic rubber 22 integrally thereto, lower inner surface 24 20 free slide up down. When air moves from 14 direction 32 opens close fluid flows gap between as controlled flow. In case closes allow COPYRIGHT: (C)1982,JPO&Japio