NFPA Dry Rotary Vane The triplex modular stacking configuration consists of two vacuum pumps stacked on one side and one vacuum situated on the other side of the receiver tank. For certain sizes, stacking three vacuums vertically on one side is also possible. This modular or field separable design allows for ease of shipment and handling on site. General Features Vacuum pump operates completely dry with air cooled design Pump is equipped with self-lubricating carbon or graphite vanes with no water requirements UL listed control panel in a NEMA 12 enclosure with a 5.7" Touch Screen Display Ethernet connectivity with embedded web-page for remote monitoring, password protected for remote adjustment of all operating parameters Inside of the receiver consists of a two-part epoxy coating providing rust protection equal or better than that achieved by galvanizing System is modular or field separable, allowing for ease of shipment and handling on-site