Hayward - Model N3 -End Suction Pumps

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

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