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Universal BiotubeO Pump Vaults <br />For use with Orenc& 4 -inch (100 -mm) Submersible Effluent Pumps <br />Applications General <br />Orenco Biotubel Pump Vaults are used to filter effluent that is pumped <br />from septic tanks or separate dosing tanks in STEP systems and onsite <br />wastewater treatment systems. They remove two-thirds of suspended <br />solids, on average. Pump vaults house a Blotube effluent filter and one <br />or two Orenco high -head effluent pumps and can be used in single - <br />compartment septic tanks with flows up to 40 gpm (2.5 Usec). When <br />flows are greater than 40 gpm (2.5 Usec), a double -compartment sep- <br />tic tank or separate dosing tank is recommended. <br />Support piE <br />Eternal flo <br />Inlet holes <br />Side view <br />Tank Access and Riser Diameters <br />Diameter, in. (mm) <br />PVU with <br />simplex pump <br />PVU with <br />duplex pumps <br />Tank access, minimum <br />19 (483) <br />19 (483) <br />Tank access, recommended <br />20 (508) <br />20 (508) <br />Riser, minimum <br />24 (600) <br />30 (750) <br />The Orenco Biotube Pump Vault includes a molded polyethylene hous- <br />ing with an internal Biotube filter cartridge constructed of polypropylene <br />and PVC. Schedule 80 PVC support pipes are included to suspend the <br />vault in a tank opening. "Eadess" 68 -inch (1727 -mm) vaults, which rest <br />on the bottom of the tank instead of on support pipes, are also available, <br />The filter cartridge can be removed without pulling the pump or the vault. <br />Effluent enters through inlet holes around the perimeter of the Biotube <br />vault and flows through the Biotubes to the external flow inducer, The <br />external flow inducer accommodates one or two pumps. Orenco Biotube <br />Pump Vaults are covered by U.S. patents #4,439,323 and 5,492,635. <br />Standard Models <br />PVU48-1818. PVU57-1819, PVU68-2419, PVU84-2419, PVU95-3625 <br />Product Code Diagram <br />Pvuaa-®®-T❑ <br />TI sopwl pipe length: <br />Blank = standard. for 24" (600 mm) riser <br />L = long, for 30" (750 mm) riser <br />NB = no suplwrt pipe bracket (eadess) <br />"let hole height standard: <br />13" (330 mm) <br />18" (457 mn) <br />19" (462 mm1 <br />25" (635 mm) <br />I Cartridge height, standard: <br />18" (457 mm) <br />24" (610 mm) <br />36" (914 min) <br />Vault height' <br />9" (1219 min) <br />57" (1448 mm) <br />68" (1727 nml <br />72" (1829 mm) <br />84" (2134 mm) <br />95" (2413 mm) <br />or custom specification <br />Biohiba° filter mesh: <br />BlanR =1/8" (3.2 mm) mesh <br />P _ 1/16" (1.6 inn) mesh <br />Universal Pump Vault <br />Custom halghts from 42" to 135" available <br />Materials of Construction <br />Support pipe Schedule 80 PVC <br />Biotube" vault Polyethylene <br />Biotube filter cartridge Polypropylene/PVC <br />Float stem Schedule 40 PVC <br />Drain valve ball Polypropylene <br />Orenco Systems° Inc., 814 Airway Ave., Sutherlin, OR 97479 USA - 800.348-9843 •541-459-4449 - www.orenco.com NM-PVU-1 <br />Rev, 3.0, O Oa/18 <br />Page i of 2 <br />