Group Curves



Precision stamped and welded 304 stainless steel discharge head provides a smooth flow transition with a minimum amount of restriction.


Top diffuser is made entirely out of 304 stainless steel and includes a built in, jam free, stainless steel check valve to prevent back flow of water.


A 304 stainless steel impeller, precision made to ensure optimal performance and offers superior resistance to abrasion.


Each diffuser is crafted out of 304 stainless steel with a Buna-N rubber bearing in each stage.


The pump shaft is constructed from heavy duty, cold drawn, 304 stainless steel. Each shaft is produced to the highest standards for straightness and cut to precise lengths.


Every pump has a 304 stainless steel strainer to stop debris from entering the pump.


The motor bracket is made entirely of 304 stainless and allows mounting on a standard 4” NEMA motor.




Flows from 5 to 75 GPM.

Heads to 1,200 feet.

HP range: 1/2 - 10 HP, 60Hz


The 4" WS Series is constructed entirely of corrosion and abrasion resistant stainless steel.


These pumps are an excellent choice for use on the most demanding residential and commercial jobs out there.

Don't forget about our complete line of accessories