keystone耐磨蝶阀F990T620DN100气动蝶阀 keystone耐高温白色密封蝶阀 F990氟胶蝶阀 复合材质蝶阀F990氟胶蝶阀 F990 EPDM/Tflon蝶阀 KEYSTONE阀门 DELONGTAI阀门FIG990 DN100(990W0100-I0S0S0E0M2K） +F89U-006DA KEYSTONE蝶阀 三元乙丙外面包裹着聚四氟乙烯阀座 F990氟胶阀座 EPDM/Tflon蝶阀 F990氟胶蝶阀 EPDM/Tflon蝶阀
keystone蝶阀,凯斯通阀体,凯斯通对夹式气动蝶阀阀体,F990DLT150蝶阀,F990/DLT150I0S0S0E0M8K ,F990/DLT200I0S0S0E0M8K,F990//DLT150I0S0S0E0M8K
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
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
keystone不锈钢对夹式气动蝶阀 DN200.316,耐高温白色密封,不锈钢对夹式气动蝶阀 DN150.316.耐高温白色密封 F990T620DN2000+F89U-020DA,F990T620DN150+F89U-014DA,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 F990DLT250I0S0S0E0M8K+F89U-032DA GRWDLT150D0S0S2E0M1K+F89U-014DA
DN125 F990W0125 I0S0S0E0M8K+F89U-014DA
DN100 F990W100 I0S0S0E0M8K+F89U-006DA
DN65F990W065I0S0S0E0M8K+F89U-006DA
DN50 F990W050 I0S0S0E0M8K+F89U-004DA
KEYSTONE 气动蝶阀 F990I0S0S0E0M8K+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。