• 外壳：铝制ASTM S 12A, 丽绚镀层
• 阀座垫可选EPDM和FPM

另有：

037-M手动金属蝶阀(带手柄)Butterfly Valves 037-M (with hand lever)

037-G手动金属蝶阀(带齿轮箱操作手轮）Butterfly Valves 037G (with gear operated handwheel)

037金属蝶阀-P-FC(故障关)Butterfly Valves 037-P-FC (Fail safe to close)

037-金属蝶阀-P-FO (故障开)Butterfly Valves 037-P-FO (Fail safe to open)

037-金属蝶阀-P-DA(双作用)Butterfly Valves 037-P-DA (Double acting)