SPT Self-Primer Trash

The SPT flex-coupled self-primer product line is one of the most durable pumps used in the solids handling industry today.  This robust and highly engineered product has many upgraded features and benefits.  Due to the flexibility of this product line, solids handling in the municipal and industrial markets are perfect matches for this product line.  Each model features an oversized clean-out cover, removable and replaceable suction check valve, 420 stainless steel shafting, a two vane investment cast 304 stainless steel impeller, front and rear impeller adjustment, oversized filing ports, oil lubricated mechanical seal, an oil lubricated power frame and solids passing through a 3 inch (80 mm) diameter solid.
SPT Self-Primer Trash

Flow & Pressure Characteristics

Flows To:  5,000 GPM (1,136 m³/hr)
Heads To:  120 Feet (37 m)
Temperatures To:  180ºF (82ºC)
Solids Passing:  To 3 inches (80 mm)
Speed Ranges:  900 RPM To 2200 RPM

Size Range

2×2-6 (50/16) – 12×12-18 (300/46)

Features & Benefits

  • Cast iron casing/304 investment cast impeller
  • Back pump out vanes on rear of impeller for hydraulic balancing
  • Back pull out rotor assembly design
  • Front wear plate standard
  • Two vane, semi-open, high efficiency impeller with large solids passing capability
  • Rounded & tapered impeller inlet designed to pass limp, stringy solids
  • 125# suction/125# discharge flanges
  • Suction & discharge gauge connections standard
  • Turned, ground and polished 420 stainless steel shaft standard
  • Heavy duty, 304 stainless steel shaft sleeve
  • Cartridge mechanical seal with Silicon-Carbide/Silicon-Carbide faces standard
  • Impeller clearance adjustment can be done by adjusting the power frame or by adjusting the front cleanest plate
  • Optional SAE motor brackets

Available Metallurgies

  • Cast iron, ductile iron, all 304 stainless steel, all 316 stainless steel, all Cd4MCu, all Alloy 20, all Hastalloy (B&C), all 2205 super duplex stainless steel, all 2507 super duplex stainless steel, Cr28, all Titanium


  • Building Trades
  • Chemical Processing
  • Food & Beverage
  • General Industry
  • Irrigation & Agriculture
  • Marine & Offshore
  • Mining & Aggregate
  • Power Generation
  • Oil & Gas
  • Pharmaceutical
  • Pulp & Paper
  • Water Resources