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The Myers’ QP50B and Myers’ QP50B-3 series are self-priming centrifugal pumps that are powerful high head pumps for industrial and commercial applications. Both models feature a high tensile cast iron pump case and brass impeller. The QP50B is a single phase model, while the QP50B-3 is a three phase model.

Myers powerful high head 5 HP self-priming pumps deliver strong dependable performance for the most demanding jobs. The heavy duty 84JM motor, brass impeller, and large capacity rugged cast iron pump end deliver reliable and continuous high performance service.

• High tensile cast iron pump case and motor bracket
• Brass impeller are precision machined and balanced for smooth, quiet operation
• Ceramic/glass composite diffuser with stainless steel wear ring
• Maximum head of 178 feet (77 psi) and flow capabilities to 135 gpm
• Full frame 184JM design, extra large, double-ball bearings, non-overloading, continuous duty rating, strong capacitor start, single or three phase options
• Large case for maximum water retention to insure quick and easy priming, true self-priming design with top suction inlet retains water in case and maintains the prime, exclusive diffuser plate with stainless steel impeller wear ring for fast priming
• Mechanical shaft seal is made of precision lapped and polished carbon/ceramic faces, Buna elastomers, and stainless steel metal components, top suction pump design prevents the seal from running dry
• Convenient back pull-out design for easy serviceability

• Industrial/commercial applications requiring large flow rates
• Sprinkler systems
• Irrigation
• Booster service
• Water transfer
• Circulation and supply
• Dewatering
• Fire protection