JIS-10KFIG.690B(齿轮式)ALUMINUMDIECASTBUTTERFLYVALVEWafertypebody,Renewableseat,Centerdriverdisc.零件PARTS材质MATERIAL阀体BODYALUMINUMDIECASTALLOY阀杆STEMSTAINLESSSTEEL阀盘DISCALUMINUMFORGINGALLOY(OPTION:STAINLESSSTEEL)挡流垫圈SEATEPDM/NBR齿轮箱GEARALUMINUMDIECASTALLOY尺寸221/2345681012L434646525656606889D95.5112.5127154185212.5262324374K140140140170170170210210210ΦR100100100150150150200200200X200200200200250250---注：防结露型型号为691***高使用压力试验压力(水压)90°C以下之静流水阀体阀座10.0kgf/cm215kgf/cm211kgf/cm2)