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氣動蝶閥 凱斯通氣動蝶閥 基斯頓氣動蝶閥F990 DLT300 I0S0S0N0M8K + F89U-051DA +DLT100M20 +791 +MENDO  現貨  GRW DLT300 D0S0S2E0M1K, 蝶閥GRW DLT300 D0S0S2E0M1K + F89U-051DA +DLT100M20 +791蝶閥

F991T620DN100蝶閥 F990PTFE/EPDM白色蝶閥閥座 F990蝶閥

F991T620不銹鋼蝶閥

keystone凱斯通氣動蝶閥 凱世通氣動蝶閥 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 氣動蝶閥 F990 I0S0S0E0M8K+F89U-006DA+LP-0B201BN00-00-0R1

     Keystone氣動調節閥F990DN100I0S0S0E0M8K +F89U-009DA+YT-1000  蝶閥和執行器都是keystone品牌；閥體-球墨鑄鐵，閥板-316SS,閥座-EPDM;執行器配雙作用氣缸； 定位器選用ROTORK.YTC韓國產YT-1000R，帶輸入/輸出4-20mA信號；配套過濾減壓閥， 氣管·接口；調試安裝好發貨。