壳体材质代号:C铸钢、P不锈钢3R不锈钢3AL特种合金钢、Z铸铁、Q球墨铸铁、N尼龙。以上为常见的蝶阀相关代号,因工况特殊需定做的产品,可根据设计方案进行选型。♀台臣蝶阀型号大全:衬氟蝶阀:D71F4D671F4D971F46对夹蝶阀:D71D71D71X、D71Y;法兰蝶阀:D41D41D41X、D41W、D341D341D341X、D341W;方形蝶阀:FDBD对焊蝶阀:D363D363D363W、D963D963D963W;气动蝶阀:D641D641D641W、D642D642D642W、D643D643D643W、D671D671D671W、D673D673D673W;电动蝶阀:D941D941D941W、D942D942D942W、D943D943D943W、D971D971D971W、D973D973D973W;三偏心蝶阀:D343D373D343D373D343W、D373W;伸缩蝶阀:SD41X、SD41SD341X、SD341SD641X、SD641SD941X、SD941H;双向密封蝶阀:DS343DS643DS943H;保温蝶阀:BD343BD343W;液控蝶阀:HD7Q41X全液控、HD7s41X重锤式、YxKD743H、HBD7Z43H缓闭式、DX7K41H蓄能罐式。