All Pumps Machinery Company Limited.

ST-2 (2inch x 2inch) Solids Handling Self-Priming Trash Pumps

All Pumps Machinery Supply ST-2(2" x 2") Solids Handling Self-Priming Trash Pumps with high capacity and low pressure, which are 100% interchangeability bare shaft pumps, rotating assemblies and parts with world's most famous OEM self priming trash pump.

Solids handling centrifugal pump was designed for municipal and industrial applications with economical & trouble-free operation in handling solids-laden liquids and slurries, max. solids-handling  Capability to 3"(76.2mm).

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Features of ST-2 (2'' x 2'') Solids Handling Self-Priming Trash Pumps

Removable Rotating Assembly

Disassembly of the rotating assembly allows easy inspection of the pump bearing or shaft without disturbing the pump casing or piping. On most models, just remove four bolts from the rear of the pump and the rotating assembly will slide out.

Abrasion-Resistant Mechanical Seal

Double floating, self-aligning oil lubricated mechanical cartridge seals with tungsten carbide fixed and rotating surfaces are specially designed for abrasive industrial wastewater services.

Solids Handling Impeller

The two blade, semi open solid handling impeller can handle solids up to 3 "(76 mm) in diameter, depending on the pump model. The extraction blade on the impeller shield can reduce the accumulation of foreign matters behind the impeller and reduce the pressure life on the seals and bearings of the expansion pump.

Specification of ST-2 (2'' x 2'') Solids handling centrifugal pump

Pump Connection Size

2" x 2" (50mm x 50mm)

Max. Pump Flowrate

46m3/h (202 GPM or 12.7L/S)

Max. Pump Head

36m (118 feet)

Speed Range

1150rpm to 2900rpm

Bare Pump N.W

112kg(246.9 lbs)

Impeller Type

Semi Open

Impeller Diameter


Max. Temperature

176°F / 80°C

Max. Solids-handling

Capabilities up to 44.45mm(1.75")

Materials of Construction

Cast Iron, Cast Steel, Ductile Iron, Stainless Steel 304/316, CD4MCu

Structure of ST SU Self Priming Pump


ST Series Curves

SU Series Curves

Dimension of ST-2(2'' x 2'') Self-priming Solids Handling Trash

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