Fully Welded Ball Valve Name Fully Welded ball valve Size DN25 to DN400 Normal pressure PN10 to PN40, CLASS150 to 300 Design standard API 6D, API 608,ASME B16.34, MSS SP-72; BS5351,ISO17292,EN13709 Marked MSS SP-25 Fire safe design API607,API 6FA End flange ANSI B 16.5,ASME B16.47; EN1092,DIN2543 to DIN2547, AS2129 Top flange ISO 5211 Test standard API598,API6D; DIN3230,EN12266,ISO 5208 […]