GD series constant pressure filler is a kind of advanced level can-filling equipment which is researched ,improved and made acording to the filling technique requirement of can-drink of our country on the base of introuducing.digesting and absorbing foreign advanced technology.It is mainly used in filling soda drink,such as cola,light sparkling wine.mineral water and so on .It has advantages of advanced structure,smooth working ,reliable,safe operation,convenient maintenance,stepless governing,hign-efficiency production and etc.It is an ideal filling equipment of medium-small scale drink factory.