keystone耐高溫白色密封蝶閥 F990氟膠蝶閥 復合材質蝶閥F990氟膠蝶閥 F990 EPDM/Tflon蝶閥  KEYSTONE閥門 DELONGTAI閥門FIG990 DN100(990W0100-I0S0S0E0M2K） +F89U-006DA KEYSTONE蝶閥 三元乙丙外面包裹著聚四氟乙烯閥座 F990氟膠閥座 EPDM/Tflon蝶閥 F990氟膠蝶閥 EPDM/Tflon蝶閥

keystone蝶閥,凱斯通閥體,凱斯通對夾式氣動蝶閥閥體,F990DLT150蝶閥,F990/DLT150I0S0S0E0M8K ,F990/DLT200I0S0S0E0M8K,F990//DLT150I0S0S0E0M8K

F990DLT150+F89U014DA+EP5氣動調節蝶閥 KEYSTONE進口氣動調節閥  

F990DLT125+F89U014DA+EP5氣動調節蝶閥 凱斯通進口氣動調節閥

F990DLT150+F89U014DA+YT-3300氣動調節蝶閥  F990DLT125+F89U014DA+YT-3300氣動調節蝶閥

KEYSTONE開關蝶閥 FIG990 DN100(990W0100-I0S0S0E0M2K)+F89U-006DA

keystone氣蝶閥F990/T805/DN100

蝶閥 FIG 990 DN200(990W0200-I0S0S0E0M2K)  

蝶閥 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)

克西頓蝶閥 DN200,閥板316SS  F79U012 

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

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

keystone不銹鋼對夾式氣動蝶閥 DN200.316,耐高溫白色密封,不銹鋼對夾式氣動蝶閥 DN150.316.耐高溫白色密封 F990T620DN2000+F89U-020DA, F990T620DN150+F89U-014DA, 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。

keystone氣動蝶閥F990DLT150F89U  keystone氣動蝶閥F990DLT200F89U keystone氣動蝶閥F990DLT250F89U  KEYSTONE氣動蝶閥DN125 F990 PTFE 閥座 PN16+F89U-DA+位置CR-OB201BD00-00-OR1 keystone光桿蝶閥F990-D-44蝶閥  氣動蝶閥 FIG.9-106 JOB 16/4317829 DN150 BODY GJL-250 KEYSTONE

常用的分體式蝶閥:F990DLT100I0S0S0E0M8K+F89U-009DA 

常用的一體式蝶閥:GRW DLT100D0S0S2E0M1K+F89U-009DA keystone手動渦輪蝶閥 GRL0400D2A1S2NA1KG1 GRL0400D3A1S2NA1KG1