This is the boiler feed unit version of the BVC and comes standard with an electrical solenoid make-up water valve with a float switch control. A low water cut-off switch is provided to prevent pumps from operating should the make-up water assembly fail to prevent the pumps from running dry and burning up the mechanical seals. 

This Big Vacuum and Condensate unit comes with independent air and water pumps. The multi-jet design has proven effective and reliable for eliminating air and lifting hot condensate in the return system. A standard cast iron receiver is provided with a standard 20-year warranty against corrosion failure for years of serviceability or a rectangular steel tank. The vacuum tank (or hurling chamber) is either heavy gauge, black steel or cast iron depending upon the size. The standard unit is designed for usage with system capacities ranging up from 1,000 square feet EDR; air pumps range up from 5.8 cubic feet per minute (cfm) at 5-1/2" HG at 160°F. This unit comes completely packaged along with electrical controls.

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These units are available in simplex or duplex design with either 1750 RPM or 3500 RPM motors in either single or three phase. The pumps are flange mounted to the receiver and come equipped with industry standard motors. The pumps are bronze-fitted with a removable bronze wearing ring along with mechanical seals rated for temperatures up to 250°F. Higher temperature seals and special faces are also available upon request.

 

Air and water pumps can be sized separately for customized usage for situations where standard unit designs are insufficient.

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