W Series

The Sterling Pumps W series Stainless Steel Submersible Pumps have been designed for pumping water for a diverse range of pumping duties for water supply, irrigation and agricultural, mining, industrial and municipal and fire fighting applications.

Construction is from stainless steel. The W series feature both radial and mixed flow impellers, stainless steel bowls, motor bracket, discharge head and all have integral check valves.

Features

• All stainless steel construction, 304 SS
• Option (N) for full 316SS construction
• Radial and Mixed flow impeller design
• Bearing are water lubricated and are shaped to enable sand particle to pass through with the pumped water
• Stop Ring to assist to minimise wear from start up for any up thrust.
• Inlet strainer
• Check Valve to prevent back flow and minimise water hammer
• High efficiency
• Pump inlet confirms to NEMA standard for submersible motors
• BSP outlet thread as standard, NPT available
• Water temperature 0°C up to 45°C
• Solids handling Maximum sand/solids in water; 50 g/m³
• Pump/motor Performance Based on 2,900 rpm, 2 pole 50 Hz
• Max. starts per hour 20 at regular intervals
• Direction of rotation Clockwise as seen from the pump coupling side
• W series pumps can also be manufactured as a Line Shaft driven pump