... orifice plate) of main pipeline and rotary flow meter(glass tube flowmeter,metal tube flowmeter) of separate pipeline,which can get ... 20mA current signal output.Structure and TypeLZB-()FL series flowmeter are composed by main pipeline,main orifice,shunt ... min1001000L/min1503m3/min200400m3/h250650m3/h300900m3/hCompany profile:CHANGZHOU CHENGFENG FLOWMETER CO.,LTD was established in 1979,at the begining ...