¡á RATING:ANSI 150~1500LBS, JIS 10~40K MATERIAL: *CAST IRON *CAST STEEL *STAINLESS STEEL *FORGED STEEL(A105) CERTIFICATION:ISO,API 1. OSY TYPE, BOLTED BONNET2. ANSI 150~1500LBS, JIS 10~40K3. CAST IRON,STAINLESS STEEL, CAST STEEL, ETC