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Hayward Tyler Pumps & Motors

August 28, 2024 by

Hayward Tyler Pumps & Motors

Supporting nuclear energy with long-lasting, reliable pumping systems

Hayward Tyler RWCU

Energy Steel partners with Hayward Tyler to supply a wide range of performance-critical pump and motor solutions for the nuclear industry. We manufacture Axial Mixed Flow Pumps, End Suction Pumps, Vertical Turbine Pumps, Double Suction Pumps, Canned Motor Pumps, and Wet Stator Motor Pumps—all engineered to fit customer requirements and deliver reliable and robust pumping solutions for nuclear applications.

Axial Mixed Flow Pumps

Product Overview

The MT/MN/BN series of Vertical Axial & Mixed Flow Pumps from Hayward Tyler are engineered for applications requiring large flow capacities at relatively low heads, or for situations where suction lifts exceed the capabilities of horizontal pumps. With multiple hydraulic designs available, these pumps can be customized to deliver varying capacity curve characteristics from steep to flat, making them highly adaptable to specific system requirements.

axial  mixed flow pump

Technical Specifications

  • Flow Rate: Up to 160,000 USgpm
  • Head: Up to 500 ft
  • Discharge Size: Up to 30 inches
  • Construction: Available in various materials to suit application requirements
  • Mounting: Vertical configuration
  • Quality:
    • ASME Section III, Division 1, Class 1, 2, or 3 available
    • NQA-1 compliant
    • 10CFR50 Appendix B and 10CFR21 compliant

Key Features

  • Cast or Fabricated Discharge Head: Can be located above or below floor
  • Back-Pull Out Design: For ease of maintenance and servicing
  • Balanced Hydraulics: Reduces thrust loading
  • Vertical Rigid Adjustable Coupling: Allows for axial adjustment
  • Replaceable shaft sleeves with hardened material
  • Bearing span optimized to avoid excitation
  • Multiple material choices to match application

Applications

  • Cooling Water
  • Condenser Circulating Water
  • Circulating Water

End Suction Pumps

Product Overview

The Hayward Tyler N3 is a vertically split, single-stage End Suction Pump specifically engineered for nuclear auxiliary and radwaste systems. Featuring a back pull-out design with flexible mounting options and a robust cantilever shaft/bearing arrangement, the N3 series is built to deliver exceptional reliability in demanding nuclear applications while ensuring low stress, minimal deflection, and extended bearing life.

hayward tyler end suction pump

Technical Specifications

  • Flow Range: Up to 3,000 USgpm
  • Total Head: Up to 500 ft
  • Operating Speed: 1,500-3,600 rpm
  • Quality:
    • ASME Section III, Division 1, Class 1, 2, or 3 available
    • NQA-1 compliant
    • 10CFR50 Appendix B and 10CFR21 compliant
  • Design Pressure: As per application requirements
  • Design Temperature: As per application requirements

Key Features

  • Back Pull-Out Design: Enables easy maintenance and servicing
  • Mounting Flexibility: Available in foot or centerline mounting arrangements
  • Impeller Options: Choice of closed or semi-open impeller designs
  • Robust Construction: Cantilever shaft/bearing arrangement for optimal performance
  • Nuclear Grade Quality: Manufactured under stringent quality control programs
  • Low Maintenance: Designed for extended service intervals
  • Enhanced Reliability: Optimized for minimal stress and deflection

Applications

Safety-Related Applications (ASME III Class 2)

  • Sealwater Injection Systems
  • Decay Heat Pumps
  • Reactor Spray Pumps

Auxiliary and Service Applications (ASME III Class 3)

  • Spent Fuel Pump Systems
  • Borated Water Pumps
  • Radwaste Pumps

Vertical Turbine Pumps

Product Overview

Hayward Tyler’s VS/VSC Vertical Turbine Pumps are engineered for applications requiring low NPSH (Net Positive Suction Head), medium head, and medium capacity installations. Specifically designed for the nuclear industry, these versatile pumps feature three different impeller types, each offering unique head-capacity curves ranging from steep to flat to meet diverse system requirements. With decades of operating experience, these pumps deliver reliable performance in both safety-related and non-safety related applications.

vetical turbine pump

Technical Specifications

  • Flow Range: Up to 50,000 USgpm
  • Total Head: 60-210 ft per stage
  • Setting Length: Up to 60 ft
  • Operating Speed: Up to 1,775 rpm
  • Design Options: Available in multiple configurations to meet ASME Section III, Division 1, Class 1, 2, or 3 requirements
  • Quality: Manufactured under NQA-1, NCA4000, and NRC requirements 10CFR50 Appendix B and 10CFR21

Key Features

  • Multiple impeller options to accommodate different system requirements
  • Customizable head-capacity curves from steep to flat
  • Robust construction for reliable long-term operation
  • Available in both safety-related and non-safety related configurations
  • Product-lubricated bearing design option for reduced maintenance
  • Upgraded materials available for enhanced wear resistance
  • Compliant with stringent nuclear industry standards

Applications

  • Containment Spray
  • Cooling Water
  • Emergency Service Water
  • Essential Cooling Water
  • Essential Service Water
  • Essential Screen Wash
  • Standby Service Water
  • Turbine Plant Cooling Water
  • Ultimate Heat Sink
  • Condensate
  • Plant Water Supply
  • Cooling Water
  • Wastewater
  • Barge Stripping
  • Oil Transfer

Double Suction Pumps

Product Overview

Hayward Tyler’s D/KSMK Series Double Suction Pumps are robust, high-capacity pumps designed with a horizontally or radially split configuration. These pumps are engineered specifically for critical applications in nuclear power facilities where reliability and safety are paramount. Their rugged design makes them particularly well-suited for hazardous, safeguard-operating conditions that require high flow rates at lower heads.

double suction pump

Technical Specifications

  • Discharge Sizes: Up to 7′ 6″ (90″)
  • Flow Capacity: Up to 178,000 USgpm
  • Head: Up to 152 ft
  • Operating Speed: Up to 1,180 rpm
  • Construction: Horizontally or radially split casing
  • Quality: Available in configurations that meet ASME nuclear standards and manufactured under NQA-1 and NRC quality requirements

Key Features

  • Double suction impeller design for balanced hydraulic forces
  • Split casing construction for easier maintenance access
  • Engineered for exceptional reliability in critical applications
  • Heavy-duty construction for long service life
  • Available in safety-related configurations
  • Designed for optimal performance in high-capacity applications
  • Balanced hydraulic design for smooth operation
  • Built to withstand demanding nuclear environment conditions

Applications

  • Cooling Water
  • Fuel Pool Cooling
  • Condensate Pump
  • Reactor Building Spray
  • Decay Heat Removal
  • Cooling Tower Circulation
  • Component Cooling Water
  • Normal Component Cooling
  • Heater Drain Pump
  • Suppressions Pool Clean Up
  • Spent Fuel Cooling
  • Circ Cooling Water
  • Aux. Component Cooling Water Spray
  • Component Cooling Pump

Canned Motor Pumps

Product Overview

Hayward Tyler’s Canned Motor Pumps are an innovative solution for nuclear applications where reliability and safety are paramount. These specialized pumps combine the pump and motor on a common shaft, all enclosed within a pressure boundary. By eliminating mechanical seals, they remove the risk of process fluid leaks.

We supply a wide range of Canned Motor Pumps: Engineered Canned Motor Pumps (CMP) and Retrofits (CMR), Internal Pressurized Circulation Pumps (HNP), Small Circulation Canned Motor Pumps (HX), Hollow Shaft Pumps (HV), High Capacity Pumps (HP/HT/HN), High Melting Point Pumps (HR), High Pressure, High Temperature Pumps (HTM), High Temperature Pumps Without Cooling Water (HV-X), High Temperature Pumps (HT), High Temperature High Melting Point Pumps (HR-Y), Multi-Stage Pumps (HP-M/HN-N/ HT-M/HW-M, HP-T), Reverse Circulation Pumps (HN), Self-Priming Pumps (HZ), Slurry Handling Pumps (HS), Slurry Handling Pumps with Gas Geal (HJ HG), Standard Pumps (HP), and Vertical Reverse Circulation Pumps (HW).

canned motor pump

Technical Specifications

Motor Specifications

  • Power Range: 5-450 HP (Higher ratings available upon request)
  • Voltage: 380-575V
  • Pole Options: 2, 4
  • Variable Speed Drive Compatible: Yes
  • Design Pressure: 0-6000+ psig
  • Design Temperature Range: -184°F to 750°F

Pump Performance

  • Flow Rate: Typically up to 3,000 USgpm (Higher capacities available)
  • Head: Typically up to 1,000 ft (Higher capabilities available)

Key Features

  • Sealless Design: Eliminates the need for mechanical seals, significantly reducing maintenance requirements
  • Integrated Construction: Pump and motor combined on a common shaft
  • Pressure Boundary Containment: Complete enclosure of all rotating components
  • Retrofit Capability: Can be designed to replace existing sealed pumps with minimal modifications to existing infrastructure
  • Minimal Maintenance: Designed for extended operation without intervention
  • Radiation-Resistant: Specifically engineered for nuclear applications

Applications

  • Reactor Water Clean Up (RWCU) Systems
  • Spent Fuel Processing
  • Boron System Operations
  • Chemical Volume Control
  • D2O Collection and Transfer
  • Steam Generator Blowdown
  • Spent Resin Processing

Wet Stator Unit (BCPs)

Product Overview

Hayward Tyler’s Wet Stator Unit Pumps, or Boiler Water Circulating Pumps, are advanced vertical pumps featuring an integrated wet wound motor design. These specialized units are engineered with matched pump and motor internal pressure ratings, eliminating the need for dynamic mechanical seals. This makes them particularly well-suited for high inlet pressure and temperature applications in nuclear facilities.

Hayward Tyler wet stator BCPs

Technical Specifications

Motor Specifications

  • Power Range: 400-3350 HP
  • Voltage Options: 380V-11kV
  • Pole Options: 2, 4
  • Variable Speed Drive Compatible: Yes
  • Design Pressure: Up to 5800 psig
  • Design Temperature Range: 32°F to 750°F

Pump Performance

  • Flow Rate: Up to 44,000 USgpm
  • Head: Up to 1,800 ft

Key Features

  • Integrated Design: Vertical pump with wet wound motor integration
  • Sealless Operation: Matched internal pressure design eliminates need for dynamic mechanical seals
  • High-Pressure Capability: Engineered for demanding pressure requirements
  • Temperature Resistant: Suitable for high-temperature applications
  • Nuclear-Grade Construction: Built to meet stringent nuclear industry standards

Applications

  • Reactor Water Clean Up (RWCU) Systems
  • Reactor Circulating Pump (RCP)
  • High Pressure Circulation

Hayward Tyler Pumps & Motors

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Energy Steel

Energy Steel, since 1982, offers equipment fabrication, material supply, machining, engineering, and repair services to the nuclear industry. It supports complex projects and addresses obsolete components with OEM partnerships.

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