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The Powerex medical vacuum system is designed to create a suction system to remove unwanted fluids or gases from hospital/ laboratory working areas. The medical vacuum system package is compliant with the NFPA 99 requirements for Risk Category 1 systems. Each system is completely tested before shipment and includes: • Multiple vacuum pumps and associated equipment. • AMSE air receiver. • Medical control panel. Each pump is factory piped to a common intake manifold. Vibration isolation pads are included with the system.
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Each pump shall be a dry rotary vane type vacuum pump, and shall be direct-driven by a C-face integrated electric motor enclosed in the pump housing and cooled by the pump fan. • Each vacuum pump shall be dry-running, featuring self-lubricating carbon/graphite vanes and shall not require any sealing fluid in the pumping chamber. • Each vacuum pump shall include an internal relief valve, a check valve, inlet and discharge flex connectors, a 5 micron inlet filter and a pump isolation valve.
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The motor is continuous duty, C-face, TEFC, suitable for 208-230, or 460V, 3 phase, 60 hertz electrical operation.
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The system shall include an ASME rated air receiver. The tank shall be equipped with a vacuum gauge, a sight gauge, by-pass valves, and a manual drain. Optional internal tank lining for corrosion resistance.
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The control system provides automatic lead/lag sequencing and automatic alternation of all pumps in order to equalize the amount of usage among the available vacuum pumps. The Premium NFPA Control panel shall include a gateway server card and all features listed below: • PLC controller and a color touch screen panel which displays the operating status of the unit. • Building automation communication gateway with BacNet® protocol and Web server features. Web servers features include email notifications in case the system is in alarm or has achieved one its maintenance intervals and requires service. • Ethernet port for connection to BacNet® server or direct connection to facility Ethernet for viewing of system operations and status via device IP-address. • UL508A listed control panel in a NEMA 12 enclosure. The panel door will include: the HMI touch screen, an audible and visual alarms with an acknowledge button, and an HOA switch for each pump. • Magnetic starters. • Vacuum transducer for process control. • Single point power connection. • Redundant 120Vac control transformers with fused primary and secondary protection. • System overload trip, high temperature conditions or maintenance intervals for the pump will result in visual and audible alarms.
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