One end of a bottle opener (7) is matched with the wedge groove opening (5).
启瓶器(7)的一端与楔形槽口(5)相配合。
In addition, the blade assembly and the wedge can be accommodated in the groove such that a cutting portion of the blade projects towards the opening.
其中，所述刀片组件和所述楔可以被收容在对应的槽中，使得所述板状刀片的切削部分从所述开口突出；
And because the wedge block and the role of the dovetail groove of the stem, the valve increases the forced sealing force, increases the sealing pressure ratio, the two-way sealing.
而且由于阀杆的楔形块与燕尾槽的作用，对阀门增加了强制密封力，增大了密封比压，实现双向密封。
应用推荐