AURORA 320 SERIES SINGLE STAGE END SUCTION PUMPS BROCHURE

Product catalog summary

Overview: The Aurora 320 Series Single Stage End Suction Pumps are designed for efficient liquid handling with capacities up to 400 GPM, heads up to 210 feet, and temperatures up to 225°F. These pumps are engineered for quiet, smooth operation and long life, suitable for modern installations with increased liquid variety, temperatures, and pressures.

Standard Features: The pumps feature a top center-line mounted casing, stainless steel shaft, O-ring casing gasket, case wearing ring, Buna-N and 316 stainless steel mechanical seal, and grease lubricated bearings (Model 324A). The vacuum cast impeller and coupling guard (Model 324A) are also standard.

Optional Features: Options include totally enclosed motors, various discharge positions, oil lubricated bearings, sealed bearings, formed steel base, steel drip-rim bases, and hazardous location motors (Model 324A only).

Pump Features: Key features include a stainless steel shaft designed for minimal deflection, oil seals, mechanical seal with Buna-N bellows, enclosed impeller for efficiency, computer machined components for concentricity, and bearings selected for a minimum two-year life. The vacuum cast impeller ensures high performance, and the O-ring seal provides trouble-free sealing.

Performance Charts: The document includes performance charts for 3500 RPM and 1750 RPM, detailing total dynamic head and capacity in GPM and cubic meters per hour. Individual performance curves should be checked for final selection.

Engineering Specifications: The pumps are available in various configurations (321 horizontal, 323 flange mounted, 324A horizontal) with options for bronze, all bronze, or all iron construction. They include a case wearing ring and mechanical seal with 316 stainless steel parts. Flexible coupled pumps (Model 324A) and close coupled models (321-323) are detailed with specifications for motor and pump alignment.

Limitations and Design Details: The pumps have a maximum speed of 3500 RPM, horsepower up to 7-1/2, and a hydrostatic test pressure of 220 psi. Design details include pipe connections, rotation, pump shaft dimensions, and bearing specifications.

Material of Construction: The document outlines materials used for various pump parts, including cast iron, bronze, and stainless steel, with specific ASTM standards referenced.

Notes: Additional notes clarify construction options and material specifications, including the requirement for a motor with a 316 stainless steel shaft extension for all bronze pumps.

Catalog excerpts

AURORA 320 SERIES SINGLE STAGE END SUCTION PUMPS BROCHURE-1

SINGLE STAGE END SUCTION PUMPS WWW.AURORAPUMP.COM

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AURORA 320 SERIES SINGLE STAGE END SUCTION PUMPS BROCHURE-2

SINGLE STAGE END SUCTION PUMPS Single Stage End Suction Pumps Capacities to 400 GPM (75 m3/hr) Heads to 210 Feet (42 Meters) Temperatures to 225° F (107°C) Setting New Standards of Efficiency Liquid handling requirements are much more involved than they were five years ago. The variety of liquids being handled has increased along with temperatures and pressures. Today’s installations demand quiet, smooth-running pumps with long life. Aurora’s 90 years of experience with design, sales and manufacturing of centrifugal pumps has led to the 320 Series. These modern pumps with a clean, straightforward...

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AURORA 320 SERIES SINGLE STAGE END SUCTION PUMPS BROCHURE-3

SINGLE STAGE END SUCTION PUMPS A. Low Noise Level Close Coupled Motors are built to Aurora® Pump's exacting vibration specifications. B. Vertical Center-Line Discharge makes pump self-venting, avoids vapor locks and minimizes pipe strain. D. Case Wearing Ring prevents wear on casing and is easily and inexpensively replaced. Standard ring is bronze. E. Lubrication Fittings are conveniently located for quick accessibility and provide positive bearing lubrication. G. Stainless Steel Shaft designed for minimum deflection, not to exceed .002" at the sealing faces at maximum load. H. Oil Seals and...

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AURORA 320 SERIES SINGLE STAGE END SUCTION PUMPS BROCHURE-4

SINGLE STAGE END SUCTION PUMPS Individual performance curves should be checked for final selection. For selections not shown on this chart, please refer to the factory. CAPACITY – CUBIC METERS PER HOUR TOTAL DYNAMIC HEAD – METERS TOTAL DYNAMIC HEAD – FEET

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SINGLE STAGE END SUCTION PUMPS Individual performance curves should be checked for final selection. For selections not shown on this chart, please refer to the factory. TOTAL DYNAMIC HEAD – FEET TOTAL DYNAMIC HEAD – METERS 20 15 10 8 CAPACITY – CUBIC METERS PER HOUR

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AURORA 320 SERIES SINGLE STAGE END SUCTION PUMPS BROCHURE-6

SINGLE STAGE END SUCTION PUMPS Dimension Details POSITION 2 Notes: 1. Dimensions and weights are approximate. 2. All dimensions are in inches (mm) and may vary ±1/4 (6). 3. Frame sizes, "C" and “AG", dimension and motor weight are TEFC motors only. 4. Conduit box is shown in approximate position. Dimensions are not specified as they vary with each motor manufacturer. 5. Add pump, base and motor weight for unit weight. 6. Not for construction purposes unless certified. 7. Discharge position No. 3 is not available on Models 323 and 324A. Position No. 1 is furnished as standard unless otherwise...

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AURORA 320 SERIES SINGLE STAGE END SUCTION PUMPS BROCHURE-7

SINGLE STAGE END SUCTION PUMPS Engineering Specifications The contractor shall furnish (and install in location as shown on the plan) an Aurora® Type (321 horizontal) (323 flange mounted) (324A horizontal) centrifugal pump size(bronze fitted) (all bronze) (all iron) construction. Each pump shall have a capacity of gpm atft. total head andspecific gravity. The pump is to be furnished with case wearing ring and a mechanical seal, with all metal parts to be 316 stainless steel, Buna-N bellows, ceramic seat and carbon washer. Flexible Coupled Pumps Model 324A The pump shaft is to be stainless steel...

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AURORA 320 SERIES SINGLE STAGE END SUCTION PUMPS BROCHURE-8

Viton is a registered trademark of DuPont Performance Elastomers L.L.C. Aurora is a registered trademark of Pentair Ltd. Because we are continuously improving our products and services, Pentair reserves the right to change specifications without prior notice. A-02-1011 07/17/15 © 2015 Pentair Ltd. All Rights Reserved. 800 AIRPORT ROAD, NORTH AURORA, ILLINOIS 60542 WWW.AURORAPUMP.COM

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