American-Marsh Pumps Group

Model 340 Series HD - Double Suction Split Case Pumps


Double suction split case pumps are used in a variety of commercial, industrial and municipal applications. The HD series double suction split case pumps feature heavy duty casings, high efficiency enclosed impellers, oversized shafts, Thru-Bore line bore and optional metallurgies.

Capacities to: 30,000+ GPM (6,813+ m^3/hr)

Heads to: 550 Feet (168 m)

Temperatures to: 300 F (149 C)

Speed ranges: 3600 to 1200 RPM

  • Fully removable rotor assemblies without disturbing piping or driver.
  • Standard packed stuffing box or optional American-Marsh Series 810 mechanical seals for both reliability and dependability.
  • Modular rotating assemblies feature completely removable and replaceable stuffing boxes.
  • Carbon/Si-Carbide/Viton elastomers standard, with other faces and elastomers available.
  • Internal seal flush.
  • Grease lubricated bearing housing for extended bearing life.
  • Available standard in Cast Iron/Bronze fitted or other alloy for application versatility.
  • Replaceable wearing components include casing wear rings to maintain peak efficiency.
  • Enclosed impeller design, double suction, dynamic balancing and renewable wear rings reduce losses increasing performance and pump life.
  • 125 lb. ANSI flange suction/discharge connections. Suction and discharge flanges are casted to 250 psi dimensions. Case working pressures for all HD models is 250 psi.
  • Casing has Thru-Bore line bore for ease in maintenance, swapping of rotation and conversion from packed to mechanically sealed.
  • Bearings can be serviced and removed without removing rotating assembly from pump. All HD pump models feature bearings with a minimum 100,000 hour design life.

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