... 12459, gb/t 13401 and more Long Jun Piping Co.,Ltd specialized in trading big sizes pipes and pipe fittings. ... cap informations to you.Name:Stainless Steel Cap, Used for Petroleum, Chemical, Power, Gas and Metallurgy, SMLSImplement standard: ASME b16. ... inch welded 1/2 to 48 inchesPressure: sch10s to schxxsApplications: petroleum, chemical, power, gas, metallurgy, ship-building, construction and moreIf ...