F990DLT150+F89U014DA+EP5气动调节蝶阀 KEYSTONE进口气动调节阀  

F990DLT125+F89U014DA+EP5气动调节蝶阀 凯斯通进口气动调节阀

F990DLT150+F89U014DA+YT-3300气动调节蝶阀  F990DLT125+F89U014DA+YT-3300气动调节蝶阀

KEYSTONE开关蝶阀 FIG990 DN100(990W0100-I0S0S0E0M2K)+F89U-006DA

keystone气蝶阀F990/T805/DN100

蝶阀 FIG 990 DN200(990W0200-I0S0S0E0M2K)  

蝶阀 FIG 990 DN100(990W0100-I0S0S0E0M2K)   

Keystone GRW Fig990 DN50 (990W0050-I0S0S0E0M2K

Fig990 DN65   (990W0065-I0S0S0E0M2K)  

Fig990 DN100  ( 990W0100-I0S0S0E0M2K)

Fig990 DN125  ( 990W0125-I0S0S0E0M2K)

Fig990 DN150  ( 990W0150-I0S0S0E0M2K)  

Fig990 DN200  ( 990W0200-I0S0S0E0M2K)

克西顿蝶阀 DN200,阀板316SS  F79U012 

F990 DLT200 I0S0S0N0M8K + F89U-020DA + TVA-M2WGNCM