Purchase of a Duplex Rotary Vane Vacuum Pumping System

The City of Orlando is seeking a qualified bidder to purchase a Duplex Rotary Vane Vacuum Pumping System. The system should consist of two oil-sealed rotary vane vacuum pumps mounted on a single ASME-rated receiver tank with a minimum capacity of 80 gallons. The system should be designed for continuous-duty industrial and municipal applications and include corrosion-resistant construction suitable for outdoor wastewater treatment facility installation. The bidder should provide a factory-wired UL-listed duplex control panel and ensure that all performance metrics are achieved by a single pump in operation. • The system should have a nominal airflow of 30 CFM at 20 inHgA absolute vacuum • The system should recover from a 30 CFM × 20-minute drawdown to operating vacuum within 120 seconds • The bidder should provide manufacturer's performance curve showing airflow vs vacuum • The bidder should provide calculations or manufacturer test data demonstrating compliance with single-pump performance metrics