supply of impeller for centrifugal fan.impeller for centrifugal fan.,impeller for centrifugal fan for dust collectors of cleaning and peening machine (pang born) to rwf drg no. 733901610010. note: 1. the tenderer shall be a reputed blower manufacturer and shall furnish documentary evidence for being in the field of manufacturing blower. 2. doc umentary evidence for at least two recent supplies should be furnished. 3. the supply shall be accompanie d with a dynamic balancing certificate. 4. the impeller should be suitably packed to avoid damage during t ransit. 5. taper lock bush (size- 3020) and weld on hub(size - wh 30) should be fenner/ pix only. 6. impeller shall be statically and dynamically balanced. [ warranty period: 18 months after the date of delivery ] ] => limited