... Size:1"-4" Pressure:3000PSI 5000PSI Material:Carbon Steel KF,AOP,COP Production ... packed in cartons. About US ZHENGQIU VALVE is a professional manufacture and exporter of all kinds ... with ANSI, JIS, DIN, API, and ISO standard, can be extensively used in industrial and marine. ... valve, butterfly valve and their accessories. The body material is stainless steel, cast steel, forged steel, cast iron ...