M250S

The Stalker Pumps Submersible Series are customised assemblies catering individual specific applications that are designed to meet your project’s needs. There are numerous design, construction & assembly options available including Vertical Series Design. Our Sales Team can help provide consultation in regards to the design of these pumps. Basic Design Features:

Pump sizes - 150mm/200mm/250mm
Submersible Motor Drive Unit - 5.5 to 185 kW
Pump Shaft - AS2837-316 Stainless Steel
Bearing/Stage Rubbers - Styrene Butadiene Rubber 80 - 85 Durometer hardness.
Pump Column Top End Piece/Pump Stages/Check Valve - Zinc Free Bronze.
Heavy section castings in a wide variety of materials including:- Marine grade Bronze and Stainless Steel.
Cast iron or fabricated steel head assembly including single or high thrust bearings and heavy duty drive coupling.
Standard schedule 40 steel column pipe with cast or steel flanges. Standard non oil filled column with grease lubricated bearings both with O-ring sealed flanges.
Heavy duty column bearing assembly for multicolumn pumps.
Column shaft(s) to AS1443 CS1040 carbon steel with high tensile shaft nuts or heavy duty shaft couplings.
Pump wet end - standard heavy duty build with boss or double cover mounting, gland packed or mechanical seal.
Ancillary fittings:- Gaskets (insertion rubber), oil seals and "O" rings (nitrile, silicone or fluroelastomer rubber), Fasteners (zinc plated high tensile steel minimum 4.6 grade or AS - 316 grade stainless steel).
Electric motors in single and three phase up to 415 volt to suit tropical conditions ( voltage and frequency options available e.g. 380 volt 60hz )

Turbine Pumps

Drive units available - Electric motor, petrol or diesel engines to suit application.
Column pipe - AS1163 C250 - 450 grade schedule 40 steel.
Column sockets and bearing spiders - AS1565 LG2 grade bronze .
Drive shaft connecting nuts - AS1565 LG2 grade bronze.

Operating Limits: (Model Dependant, Refer to Individual Model Curves)