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

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



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


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

Click to view larger image

Interested in Learning More?

Request more information about our End Suction Pumps.

Thank you for your inquiry. Please fill out the adjacent form, and a Sales Representative will get in touch with you shortly.


Your privacy is important to us. If you want to see how we use and process your data, please view our Privacy Policy.


Please accept marketing cookies to enable this form.


Translate »