Easy dismantling is made possible by dropping the bonnet assembly into the body cavity and driving out the four-segmental thrust rings by means of a push pin.
将阀帽总装拆离阀腔，采用推针取出四个部分的推力环，拆卸变得简便易行。
2
The axial lower section of the hemisphere case is equipped with the absorption cavity which connects with the segmental concave cavity.