function butterfly valve

butterfly valve manufacturer

light duty ventilate butterfly valve

aeration butterfly valve

high quality pneumatic butterfly valve

high quality light butterfly valve QD941H-0.1,QD941W-0.1

light type butterfly valve QD941H-0.1,QD941W-0.1 made in China

high quality butterfly valve light in weight QD941H-0.1,QD941W-0.1

QD941H-0.1,QD941W-0.1 light duty ventilate butterfly valve(electrical,pneumatic,manual)

MD943S-1 wear resistance dust & gas butterfly valve (electrical,pneumatic,hydraulic,manually valve)

D941sh-0.5 three lever(stem) metal flat seal butterfly valve (electrical,manual)

FS48W-2.5 butterfly style bleeding valve with electrical actuator

FS48W-2.5 butterfly style bleeding valve with pneumatic actuator

FS48W-2.5 butterfly style bleeding valve with manual actuator