目前在压气控制的自动化、节力化部门中,塑料管的配管方法迅速普及,与机器的连接从一向使用套管拧紧螺母的连接方法向只插进管子的单接手式过渡。在连接塑料管子的单向接头中,有内径封闭式和外径封闭式两种,但是,根据流量特性和用户的要求,最近外径封闭式成为主要形式,本产品满足这些需要,并 Currently in the pneumatic control of automation, power saving sector, the rapid popularization of the plastic pipe plumbing, and the connection from the machine has always been to use the method of connecting the casing to the nut only single-handed tube inserted into the transition. One-way joints for connecting plastic pipes are available in both closed-end and closed-end outer diameters, but recently the closed-end outer diameter became the main form according to flow characteristics and user requirements. The product meets these needs and