Self Priming Centrifugal Pumps
From Burks Pumps
W & WB Series Centrifugal Pumps - Self Priming Features:
FOUR POSITION CASING
Discharge can be located in any of four positions. Casing is close grain iron of 30,000 psi minimum tensile strength. Back pull-out design eliminates the need to disturb piping should the pump ever require service - the casing stays in the line.
ENCLOSED BRONZE IMPELLER
Of the latest hydraulic design for maximum efficiency, impeller is balanced for vibration-free operation and threaded onto stainless steel motor shaft.
ENCLOSED GLASS FILLED NORYL® IMPELLER*
Of the latest hydraulic design for maximum efficiency, impeller has molded in brass insert threaded onto stainless steel motor shaft. *Noryl® Impeller is not designed for use with hydrocarbons.
MECHANICAL SHAFT SEAL
Standard self-adjusting shaft seal for temperatures to 225°F (107°C) and pressures to 150 psi (1034 kpa). Ceramic seat and carbon seal face for long trouble-free service. Special seals are available for higher temperatures and fluids other than water.
Standard pump motors are of open drip proof (ODP) construction and are rated with jet pump service factors for continuous duty operation. Motors are 56 frame size with NEMA standard mounting flange, one piece threaded stainless steel shaft and ball/ball bearing construction.
After careful assembly and inspection, EVERY pump is factory tested and meets Hydraulic Institute standards.
WA6 Series Self Priming Centrifugal Pumps
WB Series Self Priming Centrifugal Pumps