Tenders Are Invited For Manufacturing And Delivery Of Shut-Off Valves With A System For Air Sealing Of Gas Pipelines In Toplofikatsia Ruse Jsc - According To Specifications And Drawings

Need: High-Efficiency Direction Of The Flue Gases From All Boilers Only To The Sulfur Purification Plant (Soi) And Chimney No. 1 Of Toplofikatsia Ruse Jsc. Technical Characteristics And Location Of The Dampers: Working Fluid: Flue Gases Pressure Before Closed Valve: +/- 1.0 Kpa; Pressure Behind Closed Valve: +/- 1.0 Kpa; Maximum Calculated Pressure Of Gas Pipelines: 4 Kpa; Flue Gas Temperature: 187 °C; External Atmospheric Temperature: -20 ÷ +50 °C; Flue Gas Velocity: 12 M/S; Dew Point Of Flue Gases: 145 °C; Flue Gas Analysis: Vso2=0.41%; Sealing Air System: Yes; Number Of Sliding Flaps: 6 Boiler No. 4 - To Chimney No. 2 In Place Of An Old Valve - 1 Piece (Vertical). Valve Dimensions: 5600X2800x500 Gas Pipe Dimensions: 5600X2800 T = 6 Mm. ; Boiler #4 - After Smoke Fans - 2 Pieces (Vertical). Valve Dimensions: Ø 2800X400 Gas Pipe Dimensions: Ø 2800 T = 5 Mm. Boiler No. 5 - To Chimney No. 2 - 1 Piece (Vertical). Flap Dimensions: 3000X3000x500 Boiler No. 5 - Gas Pipe Between Boiler No. 5 And Sulfur Purification Plant (Soi) - 1 Piece (Vertical). Flap Dimensions: 3000X3000x500 Gas Pipe From Boiler No. 7 To Sulfur Purification Plant (Soi) - 1 Piece (Vertical) Dimensions Of The Valve: 3000X3000x500