在手轮下面，在一个旋进阀体的螺母上面是一套扳手面。这是横膈膜止动螺母。
Beneath the handwheel is one set of wrench flats on a nut threaded into the valve body. This is the diaphragm-retaining nut.
它主要由固定钳身、钳口板、丝杠和套螺母等组成。
It is mainly composed of a fixed body, a movable clamp body, a screw and a nut.
卡套式管接头由三部分组成：接头体、卡套、螺母。
Bite type fitting consists of three parts: body, cutting ring and nut.
应用推荐