hat
Sele a prensipal la se yon ki genyen twa dimansyon milti-nivo sele metal, asye pur ak asye pur, louvri oswa fèmen valv sèlman sifas friksyon ant sifas la sèlman nan konjesyon serebral ti bout tan, lavi sèvis long, fèmen se valv la fèmen byen sere, pèfòmans sèlman serye. Pwopriyete yo elastik nan bag la konpoze metal sele fè koule a valv gratis.
eng
The main seal is a three-dimensional multi-level metal seal, stainless steel and stainless steel, open or closed valve sealing surface friction between the sealing surface of short stroke, long service life, close the valve is closed tightly, reliable sealing performance. The elastic properties of the composite metal seal ring make the valve leak free.