we have many kinds of gate valve. metal hard seated butterfly valve\ expansion butterfly valve\ hand drive flange type flexib

we have many kinds of gate valve.

metal hard seated butterfly valve\ expansion butterfly valve\ hand drive flange type flexible butterfly valve\ worm wheel drive flange type flexible butterfly valve   \electric drive flange type flexible butterfly valve\soft seal butterfly valve/pneumatic drive flange type seal butterfly valve\air output adjective butterfly valve

Butterfly valve series