bids are invited for 1 500m3 h centrifugal blower with 50hz squirrel cage induction motor f class insulation ip 55 protection s1 duty rating inverter duty motor working medium air operating pressure and temperature ambient head 750mm wc flanged circular suction and flanged rectangular discharge material of construction mild steel conforming to is2062 motor make suitable motor satisfying is 325 standard blower testing as per is4894 and motor testing as per is325 all relevant test certificates has to be supplied detailed specification and quantity as per annexure 2 1500m3 h centrifugal blower with 50hz squirrel cage induction motor f class insulation ip 55 protection s1 duty rating inverter duty motor working medium air operating pressure and temperature ambient head 300mm wc flanged circular suction and flanged rectangular discharge material of construction mild steel conforming to is2062 motor make suitable motor satisfying is 325 standard blower testing as per is4894 and motor testing as per is325 all relevant test certificates has to be supplied detailed specification and quantity as per annexure 3 2000m3 h centrifugal blower with 50hz squirrel cage induction motor f class insulation ip 55 protection s1 duty rating inverter duty motor working medium air operating pressure and temperature ambient head 150mm wc flanged circular suction and flanged rectangular discharge material of construction mild steel conforming to is2062 motor make suitable motor satisfying is 325 standard blower testing as per is4894 and motor testing as per is325 all relevant test certificates has to be supplied detailed specification and quantity as per annexure 4 3000m3 h centrifugal blower with 50hz squirrel cage induction motor f class insulation ip 55 protection s1 duty rating inverter duty motor working medium air operating pressure and temperature ambient head 250mm wc flanged circular suction and flanged rectangular discharge material of construction mild steel conforming to is2062 motor make suitable motor satisfying is 325 standard blower testing as per is4894 and motor testing as per is325 all relevant test certificates has to be supplied detailed specification and quantity as per annexure 5 3500m3 h centrifugal blower with 50hz squirrel cage induction motor f class insulation ip 55 protection s1 duty rating inverter duty motor working medium air operating pressure and temperature ambient head 300mm wc flanged circular suction and flanged rectangular discharge material of construction mild steel conforming to is2062 motor make suitable motor satisfying is 325 standard blower testing as per is4894 and motor testing as per is325 all relevant test certificates has to be supplied detailed specification and quantity as per annexure 6 5000m3 h centrifugal blower with 50hz squirrel cage induction motor f class insulation ip 55 protection s1 duty rating inverter duty motor working medium air operating pressure and temperature ambient head 200mm wc flanged circular suction and flanged rectangular discharge material of construction mild steel conforming to is2062 motor make suitable motor satisfying is 325 standard blower testing as per is4894 and motor testing as per is325 all relevant test certificates has to be supplied detailed specification and quantity as per annexure 7 5000m3 h centrifugal blower with 50hz squirrel cage induction motor f class insulation ip 55 protection s1 duty rating inverter duty motor working medium air operating pressure and temperature ambient head 200mm wc flanged circular suction and flanged rectangular discharge material of construction mild steel conforming to is2062 motor make suitable motor satisfying is 325 standard blower testing as per is4894 and motor testing as per is325 all relevant test certificates has to be supplied detailed specification and quantity as per annexure total quantity : 10