AURORA 680 Series “APCO-SEAL” ® SINGLE STAGE WATER SEAL PUMPS WWW.AURORAPUMP.C

SINGLE STAGE WATER SEAL PUMPS Single Stage Water Seal Pumps - "Apco-Seal Introduction Aurora Water Seal Units A water seal unit is a complete pumping system used with, but independent of, larger municipal or industrial pumps. Its purpose is to provide a lubrication and flushing action of clean water for mechanical seals and packing boxes in pumps handling abrasive or corrosive materials in suspension. Normally, pressure in a pump forces grit and corrosives, in the liquid being pumped, back into the stuffing box, subjecting seals or packing to early wear or service. When a water seal unit is installed,...

SINGLE STAGE WATER SEAL PUMPS Direct Flow Brass Positive Shut-Off Float Valve provides trouble-free service. Simple lever action replaces water lost due to processing, evaporation, etc. B. 50 Gallon Galvanized Receiver inside and out prevents corrosion, eliminating the need for special coatings and is 3/16" to ensure long life. Receiver with open top includes threaded inlet, overflow and drain openings. for minimum space requirements fits into room corner. Compact Design Pumps Mount Directly on the Receiver No suction piping is required. Turbine Type Pump at 1750 RPM provides reliable performance....

Engineering Specifications and Dimensional Details Part Casing Impeller Impeller sleeve Inner ring Outer ring Mechanical seal Bracket Motor shaft Float valve Receiver Suction flange (model 681 only) Cast iron ASTM A48 Bronze ASTM B82 Bronze ASTM B82 Cast iron ASTM A48 Cast iron ASTM A48 316 stainless steel metal parts, Buna-N elastomer parts, ceramic and carbon washer. Cast iron ASTM A48 Stainless steel AISI 416 Brass ASTM B-36 Galvanized steel 3/16'' hot dipped Cast iron ASTM A48 * Single phase only ** Three phase only The contractor shall furnish (and install in location as shown on the plan)...