Armstrong 4600 Horizontal Split Case Pumps

4600 Horizontal Split Case Pumps

• Applications: HVAC-system pumping; light industrial/ process pumping
• Description: The Armstrong 4600 horizontal split-case (HSC) double suction pumps are base mounted and engineered to substantially reduce cost over rival designs across installation, operation, and lifetime maintenance. High-efficiency NEMA-premium motors ensure low energy consumption and cost.
• Materials: Cast-iron, or ductile iron casing
• Configuration: Inside single spring mechanical seal
• Performance range: Up to 7,000 USgpm (440 L/s) flow; up to 600 ft (180 m) head
• Temperature: 225°F (107°C)
• Power Range: 1.5 hp to 500 hp (1.1 kW to 400 kW)
• Size: 4" to 10" (100 mm to 250 mm)

Features and Benefits

Low installed cost

•  ANSI/HI 1.3.5 rigid free-standing baseplate eliminates grouting

Low energy consumption

• Armstrong 4600 pumps are equipped with high-efficiency NEMA-premium motors for significant reduction in energy consumption and cost

• Tilted-parting concept to maximize efficiency and reduce inlet turbulence 
• All motors are suitable for inverter-fed service

Low maintenance cost

•  Leaking seals or noisy bearings can be serviced in minutes without disturbing other components
• No lubrication or seal adjustments required 
•  Integral bearing nut for easy bearing removal and re-use 
•  Mechanical seals and bearings can be replaced easily without opening the pump casing 
•  Unique cartridge design mechanical seal that uses a standard replacement seal 
•  Universal replacement seals, bearings, and motors available locally world-wide