... F10/20/30 glass tube flow meters,LZZ/LZD(-F)metal tube flow meters,organism panel type purified flow meters, ... and five hundred kinds products.Summary:LZB- ( )WB series variable area flowmeter is equipped with a needle valve in the base to ... /min5~45L/min120Details: Contact Details:Vicky LvSales ManagerChangzhou Chengfeng Flowmeter Co.,LtdNo.15,Tongjia Industrial Park,Changzhou,Jiangsu Prov.,ChinaTel ...