N3

End Suction Pumps

End suction, vertically split, single-stage pump for nuclear auxiliary and radwaste systems. Offers a rugged, reliable design, specifically for nuclear applications.

Design Features

Design Features of Hayward Tyler End Suction Pump Model

The N3 is an end suction, vertically split, single-stage pump. It has a back pull out design, with foot or centerline mounting arrangement, with a closed or semi-open impeller. It has a cantilever shaft/bearing arrangement designed for low stress/deflection and high bearing life, and is specifically designed for nuclear auxiliary and radwaste systems.

  • Back pull out assembly for ease of maintenance
  • Closed or semi-open impeller designs
  • Heavy duty radial and thrust bearings
  • Multiple single or mechanical seal options
  • Fabricated steel baseplate that can be seismically qualified
Codes & Specifications

Codes & Specifications

Operating Data

USSI
Flow RangeUp to 3,000 USgpm680 m3/hr
Total HeadUp to 500 ft150 m
Speed1500-3600 rpm1500-3600 rpm

Codes and Compliances

  • ASME Section VIII and III including stamp (N, NS, NPT)
  • Nuclear Safety Related or Non-Safety related
  • Pressure Equipment Directive (PED)
  • 10CFR21 and 10CFR50
  • ISO 9001
  • NQA-1
  • RCC-M and RCC-E
  • CAN/CSA-N285.0
  • Other international codes as required.
Hydraulic Range

Hydraulic Range

Applications

Applications

Hayward Tyler End Suction Pumps are ideal for the following applications:

Safeguard Pumps

ASME Section III Class 2

  • Seal water injection pumps
  • Decay heat pumps (low pressure injection)
  • Reactor spray pumps
  • Class 2 pumps for any other service involving low NPSH or thermal shock applications

Auxiliary and Service Pumps

ASME Section III Class 3

  • Spent fuel pumps
  • Borated water pumps
  • Component cooling pumps
  • Rad waste pumps
  • Any other Class 3 or non-code pump
Documents

Documents

Download our brochure to read more about all Hayward Tyler End Suction Pumps:

Sectional Arrangement

Hover over the numbers below for details about each feature.

Photo Gallery

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Interested in Learning More?

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