这些盖由钢制成,以便具有足够的强度,并在密封表面装配有弹性部件。
These covers are constructed of steel for strength and fitted with elastomer components on the sealing surfaces.
这种强度和金属密封使这种阀门可以用于最严格的应用中。
This strength and the metal sealing allow this valve to be used in the most severe services.
密封带有良好的耐候性,且长时间不失去粘性和机械强度。
E. seal with good weather resistance, and long time not lose viscosity and mechanical strength.
应用推荐