... 3. Safety and convenient. SDNR Globe Check Valve from rechon vango valve are available both in types of straight ... Size ranges from 1/2”NB to 20”NB- Pressure Ratings available in PN5, PN10, PN16, PN20, JIS ... , JIS 20K, ANSI 150, ANSI 300 & ANSI 600- Materials available in Bronze, Iron, Carbon Steel, Stainless ... also available upon request. All of SNDR Globe Check Valves produced by rechon vango valves are ...