W6(9)57 series aeration butterfly valve

Detailed Product Description

W6(9)57 series butterfly valve As a new product for thermal air duct and air volume adjustment,it embodies the advantages of ball valve and butterfly valve,it uses sheet welded disc to stably and precisely adjust the air volume,making flow characteristic approximately to equal percentage,range of adjustment is up 100:1,with the use of axial ring and high structure.pipe can be mounted and driven at any position from top or botton,specially designed operating frames is featured by easy operation,high flexibility and accurate positioning,drive modes include worm and gear driven and electric.