Fig990 DN50   (990W0050-I0S0S0E0M2K);  

Fig990 DN65   (990W0065-I0S0S0E0M2K);   

Fig990 DN100  ( 990W0100-I0S0S0E0M2K);  

Fig990 DN125  ( 990W0125-I0S0S0E0M2K);  

Fig990 DN150  ( 990W0125-I0S0S0E0M2K);  

Fig990 DN200  ( 990W0200-I0S0S0E0M2K)

Keystone气动蝶阀 凯斯通气动蝶阀 基斯顿气动蝶阀F990 DLT300 I0S0S0N0M8K + F89U-051DA +DLT100M20 +791 +MENDO  现货  GRW DLT300 D0S0S2E0M1K, 蝶阀GRW DLT300 D0S0S2E0M1K + F89U-051DA +DLT100M20 +791蝶阀

F991T620DN100蝶阀 F990PTFE/EPDM白色蝶阀阀座 F990蝶阀

F991T620不锈钢蝶阀

keystone凯斯通气动蝶阀 凯世通气动蝶阀 F990 I0S0S0E0M8K+F89U-006DA+LP

 F990 DLT200 I0S0S0E0M8K+F89U-020DA F990 DLT250 I0S0S0E0M8K+F89U-032DA  GRW DLT150 D0S0S2E0M1K + F89U-014DA

DN125 F990W0125 I0S0S0E0M8K+F89U-014DA 

DN100 F990W100 I0S0S0E0M8K+F89U-006DA

DN65 F990W065 I0S0S0E0M8K+F89U-006DA 

DN50 F990W050 I0S0S0E0M8K+F89U-004DA  

KEYSTONE 气动蝶阀 F990 I0S0S0E0M8K+F89U-006DA+LP-0B201BN00-00-0R1

     Keystone气动调节阀F990DN100I0S0S0E0M8K +F89U-009DA+YT-1000  蝶阀和执行器都是keystone品牌；阀体-球墨铸铁，阀板-316SS,阀座-EPDM;执行器配双作用气缸； 定位器选用ROTORK.YTC韩国产YT-1000R，带输入/输出4-20mA信号；配套过滤减压阀， 气管·接口；调试安装好发货。