ELSTER Elster RVG flowmeter, the the Elster G16, G25, G40, G65, G100 Roots flowmeter, the ELSTER Elster waist wheel flowmeter including models: G160, G250 traffic meter (Miss Li: 13537502453 0755-28145886) ELSTER Elster RVG home roots flowmeter main performance: ● Model: G16-G250 ● Flow :0.6-400m3 / h Caliber: DN40-DN100 ● Pressure rating: 4 / 10/16/20Kg/cm2 ● Operating temperature: -10 - +60 ° C ambient temperature: -20 - +70 ° C ● precision ordinary: 0.2Qmax ≤ Q ≤ Qmax ... ± 1% Qmin ≦ Q ≤ 0.2Qmin. .. ± 2% ● measurement range :1:20-1: 160 ● Table Body Material: ductile iron or aluminum alloy ● Connection: DIN flanged connections (flange with China GB) applicable gas: natural gas, city gas, LPG, and a variety of inert gases. Model: G16 Caliber: DN50 flow :0.6-25m3 / h import and export of spacing: 171mm Weight: 12kg Model: G25 Caliber: DN50 flow :0.6-40m3 / h import and export of spacing: 171mm Weight: 12kg Model: G40 Caliber: DN50 flow: 1.0-65m3 / h import and export of spacing: 171mm Weight: 12kg Model: G65 Caliber: DN50 Flow :1.6-100m3 / h import and export of spacing: 171mm Weight: 12kg Model: G100 caliber: DN80 Flow :2.5-160m3 / h import and export of spacing : 171mm Weight: 16kg Model: G160 caliber: DN80 Flow :4.0-250m3 / h import and export of spacing: 241mm Weight: 33kg Model: G250 Caliber: DN100 flow :6-400m3 / h import and export of spacing: 241mm Weight: 39kg