bids are invited for axial fan - axial flow exhaust fan , duct mounted flanged end, direct driven, fanshall be complete with flpmotor compatible forii c group of gases, fan casing, inlet outlet duct collar with nuts, bolts, gasket and supports etc. capacity : 3000 cfm,fan static pressure : 550 pa, power supply :410 ±10 % v, 50hz, 3 phase make:nicotra/kruger/ woods/aerotech. , gi duct damper - circulargi duct damper, approx. size :dia 22inch (damper size shall match with the fan casing dia), thickness:18 gauge, complete with fittings. , divergent section - circular gi divergent section,approx. size : dia 12 inch x 22 inchof 250 mm length, thickness: 18 gauge, complete with fittings. , fle cir connectio - fire resistanceflexible circular connection,approx. size : dia 22 inch x 110 mmlong (flexible connection size shall match with the fan casing dia), complete with fittings. , differential press switch - differential pressure (dp) switch complete withfittings suitable for outdoor application. medium: exhaust air, pressure rage: 20 to 300 pa,make: danfoss / siemens/honeywell. , flow switch - flowswitchwith complete fittingssuitable for outdoor application. medium: exhaust air,make: danfoss / siemens/honeywell. , louver - gi round louver,approx. size : dia 22 inch, (louver size shall match with the fan casing dia), thickness:18 gauge, complete with fittings. , circular duct - gi circular duct, size: dia 22 inch (ductsize shall match with the fan casing dia), thickness:18 gauge,complete with fittings , service - dismantling of the existing axial exhaust fan capacity: 2000 cfm, static: 550 pa, motor power: 1.5 kw, qty. 2 no mounted inside circular duct of size 18 inch diameter and associated elements like circular volume control damper (2 no.) louvers (2 no.), flexible connections (2 no.), diffuser ducts (2 no) dp switch (2 no.), flow switch (2 no.) associated power and control cables etc. total quantity : 1