Specifications include, but are not limited to: The City of Pendleton is requesting proposals to supply a low pulsation rotary lobe blower package capable of 60-80 CFM low end and 240-300 CFM high end at 10.8 psi continuous operating pressure. Package is to include sound enclosure, inlet filter/silencer, outlet silencer, VFD, breaker, and control panel. Hand/Off/Auto switch, local control and, in Auto, the ability for control from a SCADA system. Length and width of unit will be smaller than 7’ x 5’. Blower Performance Criteria: 1. Quantity of Machines 1 2. Design Inlet Temperature 40-100 °F 3. Site Elevation 1004 feet above sea level 4. Design Inlet Pressure 14.07 psia 5. Design Relative Humidity (%) 60-90 % 6. Design Flow minimum setting VFD 60-80 scfm 7. Design Flow 240-300 scfm 8. Design Discharge Pressure 10.8 psig 9. Brake Horsepower (Max) 47.5 bHp 10. Motor Size (Max) 60 Hp
