... of cleaner fluid in lower viscidity. BC(Y) series water-cooled heat exchanger is a bare-tube one(with rolling fin outside ... of dirtier fluid and higher viscidity,heat exchanging of water to water and water to air.Each of heat exchanger series has a lot of ... to the request of users.Water-cooled heat exchanger is composed of enter water cover,tube board,receptacle,heat tube,baffle board,airproof gasket ...