Tenders Are Invited For Purchase Of A Heating Boiler For The Public School In The Village Of Akimovka

Heating Boiler. Thermal Power – Not Less Than 0.129 Gcal/Hour. Heated Area Of ​​At Least 1500 M². Heated Volume Is Not Less Than 4500 M³. Overall Dimensions: Length No Less Than -1540Mm, Width No Less Than 1230Mm, Height No Less Than 2050Mm. The Boiler Weight Is No More Than 915 Kg. Working Pressure No More Than -0.3 Mpa. Flue Gas Temperature No Less Than 150-170 ºс. Type Of Fuel: Solid (Coal). A Method Of Burning Fuel On A Grate, Without Forced Air Supply. Efficiency (Hard Coal And/Or Brown Coal), %81-83/75. The Boiler Is Designed In A Horizontal Design. The Boiler Is A Single Multi-Block Structure Installed On A Metal Ash Box. The Hydraulic Circuit Of The Boiler Allows Working With A Temperature Curve Of No More Than 115 ºс. The Coolant Temperature At The Boiler Outlet Is At Least 85-95ºс. The Base Of The Boiler Is Made Of A Pipe With A Diameter Of At Least 159 Mm With A Wall Thickness Of At Least 4 Mm, But Not More Than 5 Mm. The Front And Back Sides Of The Base Are Made Up Of A Water Jacket. The Boiler Is Made With A Rectangular Base, The Upper Part Is Semicircular In Shape With The Placement Of Overhead Pipes. The Water Jacket Of The Combustion Part Is Made Vertically From Pipes With A Diameter Of At Least 76 Mm In An Amount Of At Least 26 Pieces, With External Thermal Insulation. The Firebox Is Made Of Ellipse-Shaped Steel With A Thickness Of At Least 6 Mm. The Combustion Door Is Equipped With A Double Bumper. Additionally Provided: Semi-Reversible Ball Valve D 76 Welded No Less Than 2 Pcs, Elbow D 76 No Less Than 4 Pcs, Pipe D 76 No Less Than 5 M, Valve D 15 No Less Than 1 Pc, Thermometer No Less Than 1 Pc, Pressure Gauge No Less Than 1 Pc, Fitting No Less Than 1 Pc, Thread D 15 No Less Than 3 Pcs, Coupling D 15 No Less Than 1 Pc, Valve Safety Not Less Than 2 Pieces, Sheet Not Less Than 3Mm-3000/1500Mm. Smoke Exhauster At Least - 1 Piece.