进口蝶阀,kitz蝶阀,kitz对夹式蝶阀

kitz铸铁蝶阀,GL-10C=GL-10DJ,10C=10DJ

kitz球墨铸铁,DJ型蝶阀PN16DJ/PN16DJE/PN16DJM/PN16JME,G-PN16DJ/DJE/DJU/DJUE/DJM/DJME

kitz球墨铸铁手柄式,DJ型突耳式蝶阀

PN16DJL,PN16DJLE,PN16DJLU,PN16DJLUE,PN16DJLM,PN16DJLME

kitz球墨铸铁,DJ型突耳式蝶阀