Standard: ANSI B16.5, ASME B16.47, EN1092-1; BS4504,ASME B 16.36,JIS B2220 Size: 1/2"-48"
Class:150-2500
Material: A105, A350
Type: weld neck flange, socket weld flange, slip on flange, blind flange,thread flange, lapped flange, plate flange
Package: anti-rust oil, protect cover
Certificate: MTC or 3.1 certificate
Origin: China