D341W法兰连接通风蝶阀详细资料：D341W法兰连接通风蝶阀主要零件材料零件名称阀体阀板阀轴材料碳钢碳钢碳钢、不锈钢D341W法兰连接通风蝶阀主要外形连接尺寸单位：mmDNDD1LL1L2n-Фdb3004053701207162208-12103504554201407862408-141040050547014092427012-181045057053016099929512-1810500620580160107932512-1810600720680180114038016-1812700820780180124043016-1812800920880200135049016-18129001040990200145054016-1814100011401090220155059020-1814110012401190220180064020-1814120013401290240190069020-1814130014401390240202076020-1816140015401490260212081024-1816150016401590260222086024-1816160017401690280239098024-18161700184017902802590103028-22161800194018903002709109628-22161900204019903002826114632-22162000215020903202926119632-26162200236023003403126129636-26162400256025003603326139636-26182600276027003803526149640-26182800296029004003726159640-26183000319031104004098169844-30183200339033104404338179844-30203400359035104404578189848-30203600379037104804780199848-30203800400039104805000209852-30224000421041205205200221052-3022)