SLS Self-Primer

The SLS flex-coupled self-primer product line is one of the most economical 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 420 stainless steel shafting, a two vane cast iron impeller, oversized filing ports, grease lubricated mechanical seal, a grease lubricated power frame and solids passing through a 2 inch (50 mm) diameter solid.
SLS Self-Primer

Flow & Pressure Characteristics

Flows To:  500 GPM (114 m³/hr)
Heads To:  135 Feet (41 m)
Temperatures To:  180ºF (82ºC)
Solids Passing:  To 2 inches (50 mm)
Speed Ranges:  900 RPM To 2200 RPM

Size Range

1.5×1.5-6 (38/16) – 4×4-5 (100/12)

Features & Benefits

  • Cast iron casing/cast iron impeller
  • Back pull out rotor assembly design
  • Multi vane, semi-open impeller with large solids passing capability
  • NPT suction/NPT discharge flanges
  • 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

Available Metallurgies

  • Cast iron, ductile iron


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