Design Envelope 4200H Split-Coupled Horizontal End-Suction Pumps

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Design Envelope 4200H Split-Coupled Horizontal End-Suction Pumps

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Design Envelope 4302 Front
Design Envelope 4302 isometric view

  • Summary
  • Applications

    HVAC-system pumping and control; general purpose pumping; industrial/ process pumping and control (water or glycol based)

  • Description

    Base mounted end-suction horizontal pumping unit with integrated intelligent controls for easier installation and superior energy performance. Saves up to 75% in energy over comparable traditional constant speed or variable frequency operated pump installations

  • Materials
    • Cast-iron or ductile iron casing
    • Bronze impeller
    • Sintered silicon carbide mechanical seal
  • Configuration

    On-board Intelligent Variable Speed controls with Sensorless control. Split-coupling design and outside balanced. Controls enclosure UL type 12 for indoor applications. Supplied with NEMA premium TEFC motors

  • Performance Range

    1.5 to 220 L/s (25 to 3,500 USgpm) flow; 3 to 90 m (10 to 300 ft) head (composite curves available)

  • Temperature

    150oC (300oF)

  • Power

    0.75 kW to 90 kW (1 hp to 125 hp)

  • Size

    40 mm to 200 mm discharge (1.5" to 8”)

Lowest installed cost

  • Vertical In-line design eliminates the need for inertia bases, housekeeping pads, and flex connectors and reduces piping requirements
  • Integrated intelligent controls eliminate separate mounting of variable frequency drive (VFD) as well as procurement, installation (incl. wiring), calibration and upkeep of differential pressure sensor
  • Vertical motor positioning requires up to 60% less floor space compared to other pump configurations.
  • Expertly staggered product line for perfect pump match-up and selection especially in retrofit situations
  • Superior energy performance qualifies for significant cost recovery under utility and government rebate programs
Design Envelope

Lowest installed cost. Lowest operating cost.

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Lowest operating cost

  • Integrated intelligent controls – combined with perfect component match-up and tuning – for up to 75% in energy savings over traditional constant speed and variable frequency operated pump installations
  • Split-coupling design for easy seal service without removal of pump or motor
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Lowest environmental cost

  • 75% decrease in energy consumption reduces operational greenhouse gas emissions at equal ratio
  • Elimination of inertia bases, housekeeping pads, flex connectors and superfluous piping avoids all procurement related environmental impacts (material, energy, carbon)
  • Equipment downsizing mitigates environmental impacts associated with procuring unnecessarily large equipment
  • Integrated design packs and ships more economically for less packaging waste compared to loose component shipping and assembly
Sustainability

Sustainability

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Lowest project and operating risk

  • Integrated intelligent controls for fast and easy commissioning as well as reduced radio frequency interference/ improved electromagnetic compatibility
  • Advanced seal design for zero lubrication and seal adjustments. Optional sediment filters or separators for extended seal life in contaminated systems
  • Single source-responsibility for optimum design and field support
  • Independent operation through embedded Sensorless control or in conjunction with a building automation system (BAS)
Florida power and light

Case study: Supplying energy and leadership

Florida Power & Light has reduced energy costs 68% by upgrading their HVAC system with Design Envelope pumps.
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Learn more

(PDFs)

Design Envelope Pumps - solution outline

Armstrong Design Envelope - FAQs

Armstrong Horizontal Design Envelope - FAQs

Armstrong Design Envelope Generation 3 - FAQs

Variable frequency drives and the use of bypasses - fact sheet


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