Malleable iron and ductile iron valves
可锻铸铁和球墨铸铁阀门
发布日期:
2020-01-01
JIS B 2051:2020规定了通用机械用可锻铸铁和球墨铸铁制成的螺纹端阀和法兰端阀(以下简称阀门)的要求。
JIS B 2051:2020 specifies requirements for screwed end valves and flanged end valves made of malleable cast iron and ductile cast iron used for general machinery (hereafter referred to as valves).