Single Jet Dry Dial Cold/Hot Size:DN15X80/110MM,DN20X130MMDN25X160MMPlastic Single Jet Dry Dial Cold/Hot ,with Plastic BodySize:DN15X80/110MM,DN20X130MMSingle-jet Dry Type Vane Wheel Water Meter"Dry-dial, magnetic drive, Resistance to exteriormagnet interference.Single-jet.Selected high quality materials for steady&reliablecharacteristic.Vacuum sealed register ensures the dial keptfree from fog and keep the reading clear in a longterm service.Inner or outer adjusting device for option.Small in size and light in weight.Standard: ISO4064"Maximum Permissible Error :a) In the lower zone , Q1≤Q≤Q2 is ±5%b) In the upper zone ,Q2 ≤Q≤Q4 is ±2%;Technical DateNominal DiameterDN1320Max Flow Ratem³/hQmax35Nominal Flow Ratem³/hQn1.52.5Transition Flow RateL/hQt120200Min Flow RateL/hQmin3050Max Readingm³99999.99995 Min Reading m³0.00005