泰科KEYSTONE蝶阀F990/F991/F992 蝶阀可以做到气泡级密封。如果给它配备执行机构，定位器并且给它一个由控制器或PLC传输的调节信号，它就能够很好地调节流体流量。

泰科 KEYSTONE F990 F992系列蝶阀 调节型蝶阀、中线蝶阀、通用型弹性阀座蝶阀、既适合开关用途，又适合调节用途。包覆阀板多用于腐蚀性或磨蚀性介质。

KESYOTNE调节蝶阀F990 F991 F992主要型号有：

F990 CEE2 DN25 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN50 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN65 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN80 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN100 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN150 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN200 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN250 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN300 Body:DI,Disc:316SS,Seat EPDM

F990 CEE2 DN350 Body:DI,Disc:316SS,Seat EPDM

F990 CEE3 DN25 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN50 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN65 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN80 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN100 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN150 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN200 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN250 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN300 Body:DI,Disc:316SS,Seat NBR

F990 CEE3 DN350 Body:DI,Disc:316SS,Seat NBR

F990 CEE4 DN25 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN50 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN65 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN80 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN100 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN150 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN200 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN250 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN300 Body:DI,Disc:316SS,Seat Teflon/EPDM

F990 CEE4 DN350 Body:DI,Disc:316SS,Seat Teflon/EPDM

泰科 KEYSTONE F990 F992系列蝶阀 调节型蝶阀F990/F991/F992 *Keystone标准顶法兰*关闭严密*阀杆两级密封*寿命长*连接方式：对夹、支耳 。尺寸（mm）:25-500、适用温度（摄氏度）：-40-150、最大压力（MPa）:1.0、阀体材质：铸铁，球墨铸铁、阀座：耐油、耐磨、耐腐蚀（EPDM）NBR材质。

概要

蝶阀通常用于截断或流量调节的作用。衬胶蝶阀采用卫生级橡胶和不锈钢材质阀板。可提供的尺寸范围从DN25到DN900。常用于高温、腐蚀、磨蚀、粘稠等应用环境。

● F990采用光滑的内部流道和薄形阀板，流阻小

● 调节性能好

● 耐磨损

● 耐腐蚀