Butterfly valve (K220)
       proven chemical valve with liner seal
       direct fitting of actuators and gearing due to integrated flange plate
       available as standard with manual gear box
       PP butterfly valve can be combined with PVDF shut-off disc
       Actuator: electric, pneumatic
       蝶阀K220
       口径：DN250至DN600
       材质：PP、PVDF、PVC-U
       密封材质：FPM、EPDM
       此阀为大口径化工蝶阀，可适用于工业大型管路系统，衬套可作为法兰的密封，可直接装配驱动器而不需要另外的配件。

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