1/2 Hydrometer, Complete Magnetic Multijet, Class B, Maximum Flow Of 1.5M3/H., Nominal Flow D 1/2 Hydrometer, Magnetic Multijet, Nominal Flow Of 0.75M3/Hour, Sensitive To Low Flows As Qt 60 Liters/H, And Minimum Of 15 Or 12 Liters/H., Inclined Clockwork 45O, Glass Dome, Complete Including Metallic Connections And Sealing Rings. Manufactured According To Standard Nbr Of Abnt Nm212/99 And Inmetro Ordinance 246/00, With Inmetro Seal (Cold Drinking Water Velocimetric Meter).Manufacturing Materials Must Comply With The Following Conditions:A) Have Adequate Resistance For The Use For Which They Are Intended; Work;C) Do Not Cause Any Degradation In The Potability Of Water;D) Resistant To Internal And External Corrosion Or Be Protected By The Application Of Appropriate Treatment;E) External Parts Must Resist Solar Exposure;F) The Housing Material Must Be Of A Brass Alloy Containing A Minimum Of 60% Copper; In Other Words, It Must Be Guided Manually, Without The Need For Tools, In Order To Facilitate The Installation Of The Water Meter And Subsequent Reading. The Meters Must Be Provided With An Inmetro Seal So That After Being Placed, Before And After The Meter Has Been Correctly Installed, Disassembly Is Not Possible. Or Changing The Meter, Or Its Adjustment Device, Without Damaging These Seals.Glass Dome: Placed On The Meter Must Not Present Deterioration That Affects The Meters Watertightness Or Makes It Difficult To Read The Indicating Devices.Inmetro Ordinance:6.4.2- Hydrostatic Test - Tightness:6.4.2.1- Each Hydrometer Must Be Subjected To Gradual Pressurization Up To 1.5 Mpa, Which Is Maintained Constant During Q, 1/2 Hydrometer, Without Connections, Multijet, Class B, 1.5M3/H , Being: 1/2 Hydrometer, Without Connections/Trimmings, Manufactured According To Standard Nbr Of Abnt Nm212/99 And Inmetro Ordinance 246/00, Which Maintained Constant For Fifteen Minutes, Should Not Produce, 3/4 Hydrometer, 5M3/ H, Pn-10, Qmin: 50 L/H, Magnetic Multijet Type, Glass Dome, Without 3/4 Hydrometer Connections, Inmeter Seal., 1, 10M3/H Hydrometer, Being: Qmin: 100 L/H , Polycarbonate Dome Hydrometer Of 1, Polycarbonate Dome, Hydrometer Of 2, Being: Hydrometer Of 2, Multijet Type, Magnetic Transmission, Maximum Flow Of 30M3/Hour, Nominal Flow Of 15M3/Hour, Minimum Flow Of 300 Liters/Hour, Metrological Class B, For Installation In Horizontal Position, Maximum Temperature 40O, Dn-50Mm (2), Flanged Cast Iron Body, With Counter Flanges, Screws, Nuts And Washers.
