... ,S.S,F.S 4).Certificates:ISO,CE,TS,API API gate valveSize:2"-32" or DN50-DN1000 Pressure: ... BS5351 Face to Face Std.: ASMEB16.10 (JISB2002),API 6D, DIN3202, ASME B16.25End Connection Std.: ASME B16 ... .5,ASME B16.47, JISB2212-JISB2214,DIN2543-2550,ASME B16.34Test Standard: ISO5208, API598 (JISB2003), API 6D, BS ... best quality productsand the most sincere service. API gate valve with good quality