STL 3 Stage — Semi-Submersible Column Pump

A compact, top-mounted three-stage column pump built for continuous duty in chillers, coolers, vending units and general water applications. Fitted to python systems, it delivers the optimum cooling rate for soft drinks, beers and wines — with low maintenance and a long service life.

At a glance

Max. flow 16.1 l/min · Closed valve head 18.3 m · Power 90 W · Weight 3.2 kg · Temp range −20 to +85 °C · Max. specific gravity 1.0

Features

• Three-stage pump head
• Up to ~16.1 l/min flow, up to ~18.3 m head
• Agitator propeller fitted as standard
• Top-mounted with keyhole mounting plate
• IPX4 motor housing
• Plug fitted as standard
• Low maintenance, long service life
• For clean fluids only — solids and abrasives will damage the pump

Applications

Chillers and coolers · vending equipment · general water applications · python systems for soft drinks, beers and wines

Pipes & fittings

15 mm recirculation connections as standard. Fitted to python systems to provide the optimum cooling rate.

Wetted materials

ABS mounting plate · glass-filled PS column & pump body · ABS impellers · PP interstage plastics · stainless steel shaft · ABS agitator

Dimensions

Footprint ~110 mm wide × 140 mm plate height; column assembly ~362 mm long (139 mm head + 223 mm column). Full dimensioned drawing in the datasheet.