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Pentair Aurora 324A End Suction Centrifugal Pump

Description

A flexible-coupled end suction pump for hot water and general liquid duties

The Pentair Aurora 324A is the horizontal, flexible-coupled, frame-mounted model of the Aurora 320 Series single-stage end suction pumps. The series covers capacities to 400 GPM (75 m3/h), heads to 210 ft (42 m) and temperatures to 225 degF (107 degC). Aurora says the clean, straightforward design of the 320 Series was developed with maximum interchangeability in mind.

The top centreline-mounted casing with a vertical centreline discharge makes the pump self-venting, avoids vapour locks and minimises pipe strain, and the back pull-out design allows disassembly without disturbing the suction and discharge piping.

Technical specifications

Parameter Specification
Model Aurora 324A single-stage end suction pump, horizontal, flexible coupled (320 Series)
Capacity (series) Up to 400 GPM (75 m3/h)
Head (series) Up to 210 ft (42 m)
Temperature (series) Up to 225 degF (107 degC)
Casing Top centreline mounted, O-ring casing gasket, bronze case wearing ring (model 324A option)
Shaft Stainless steel shaft designed for deflection not exceeding 0.002 in at the sealing faces
Impeller Enclosed, dynamically balanced, keyed and secured by a 316 stainless steel capscrew and washer; vacuum cast impeller optional
Mechanical seal Buna-N bellows and cup with 316 stainless steel parts
Bearings Selected for 2 year minimum life at maximum load; grease or oil lubricated, or sealed; oil seals and non-sparking neoprene slingers
Options (324A) Case wearing ring, oil lubricated and sealed bearings, grease lubricated bearings, formed steel or steel drip-rim bases, coupling guard, totally enclosed and hazardous location motors, optional discharge positions

Selection notes

The brochure gives 3500 RPM and 2880 RPM range charts, with a note that individual performance curves should be checked for final selection. Provide flow, total head, NPSH available, liquid and temperature so the pump size and speed can be matched to the curve.

What to confirm before ordering

Confirm the size code, speed (50 or 60 Hz supply), motor type and enclosure, the base and coupling guard, seal arrangement, and the discharge position. The Pentair Aurora 3800 Series end suction pump is related, and more are listed under pumps.

Documents and quotation

The attached Pentair brochure (8 pages) covers the 320 Series models 321, 323 and 324A, with features, range charts and options. Send the size, duty point and quantity with your enquiry.

Datasheets & Documents
  • PDF Brochure Pentair Aurora 320 Series single stage end suction pumps brochure (EN) Download
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About brand

Aurora is a Pentair brand of centrifugal pumps for commercial, municipal and industrial service. Seven Star LLC lists the Pentair Aurora 3800 Series single-stage end suction centrifugal pump and supplies Aurora pumps and pump parts to building services contractors, utilities and industrial plants in Oman. Requests are handled by model, size and serial number.

Pentair Aurora 3800 Series pumps

The 3800 Series is a single-stage end suction design: liquid enters axially and leaves through a radial discharge, with one impeller on the shaft. Pentair builds it as the close-coupled Model 3801 and the flexible-coupled Model 3804, and lists it for HVAC, chilled and hot water, pressure boosting, municipal and industrial service. The same casing size can be built with different impeller diameters and motors, so the size alone does not define the pump.

Ordering Aurora pumps and parts: what we need

Send the model, size and serial number from the pump nameplate, plus the impeller diameter if it is stamped there. For a new pump, give flow, total head, liquid, temperature, suction conditions, motor voltage and frequency. For parts, name the items needed, such as mechanical seal, impeller, shaft sleeve or wear rings. We accept inquiries from across the GCC.

Frequently Asked Questions

What is the Aurora 324A?
A single-stage horizontal end suction pump with a flexible coupling, from the Aurora 320 Series.
What are the series limits?
Up to 400 GPM (75 m3/h), 210 ft (42 m) head and 225 degF (107 degC).
Is the pump self-venting?
Pentair states that the vertical centreline discharge makes the pump self-venting and avoids vapour locks.
What shaft seal does it use?
A mechanical seal with Buna-N bellows and cup and 316 stainless steel parts.
Is the pump back pull-out?
Yes, the back pull-out design allows disassembly without disturbing the piping.