Capacity : 450 gpm (28.4 L/s)
Head : 30 ft (39.5 m)


Standard (4RH) and Explosion-Proof (4RHX) Construction
The 4RH and 4RHX (Explosion-proof) Submersible Wastewater Pumps are the right choice when difficult to pump fibrous or stringy solids are to be expected. The 4RH/4RHX series provides smooth, vibration-free operation when operating at heads higher than peak efficiency. For use in municipal lift stations, treatment plants and industrial waste applications. Myers offers a complete line of wastewater pumps, lift-out rail assemblies, controls and accessories to meet your needs.

Advantages By Design
Passes stringy trash, fibrous wastes, slurries and other difficult to pump solids that standard enclosed or semi-open impellers cannot.
  • Recessed impeller design has completely open passage in volute.
  • Pumping action is by vortex; solids can't get caught in impeller volute.
  • Operates without vibration or cavitation over entire performance curve. Operates near shut-off without harming pump.
Durable motor will deliver many years of reliable service
  • Recessed impeller greatly increases bearing life by reducing radial load.
  • Oil-filled motor for maximum heat dissipation and constant bearing lubrication.
  • Heat sensor thermostats imbedded in windings protect motor from overheat conditions.
  • Seal leak probes warn of moisture entry; helps prevent costly motor burn-out.
Available with optional FM approval for use in Class 1, Groups C and D hazardous locations (4RHX only).
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Item #

Item Name

Head

Power

Voltage

Capacity

4RH75M2-03 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 7.5 hp N/A 200 V N/A 450 gpm28.4 L/s
4RH75M2-23 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 7.5 hp N/A 230 V N/A 450 gpm28.4 L/s
4RH75M2-43 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 7.5 hp N/A 460 V N/A 450 gpm28.4 L/s
4RH75M2-53 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 7.5 hp N/A 575 V N/A 450 gpm28.4 L/s
4RH100M2-03 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 10 hp N/A 200 V N/A 450 gpm28.4 L/s
4RH100M2-23 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 10 hp N/A 230 V N/A 450 gpm28.4 L/s
4RH100M2-43 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 10 hp N/A 460 V N/A 450 gpm28.4 L/s
4RH100M2-53 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 10 hp N/A 575 V N/A 450 gpm28.4 L/s
4RH150M2-03 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 15 hp N/A 200 V N/A 450 gpm28.4 L/s
4RH150M2-23 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 15 hp N/A 230 V N/A 450 gpm28.4 L/s
4RH150M2-43 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 15 hp N/A 460 V N/A 450 gpm28.4 L/s
4RH150M2-53 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 15 hp N/A 575 V N/A 450 gpm28.4 L/s
4RH200M2-23 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 20 hp N/A 230 V N/A 450 gpm28.4 L/s
4RH200M2-43 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 20 hp N/A 460 V N/A 450 gpm28.4 L/s
4RH200M2-53 N/A Standard 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 20 hp N/A 575 V N/A 450 gpm28.4 L/s
4RHX75M2-03 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 7.5 hp N/A 200 V N/A 450 gpm28.4 L/s
4RHX75M2-23 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 7.5 hp N/A 230 V N/A 450 gpm28.4 L/s
4RHX75M2-43 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 7.5 hp N/A 460 V N/A 450 gpm28.4 L/s
4RHX75M2-53 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 7.5 hp N/A 575 V N/A 450 gpm28.4 L/s
4RHX100M2-03 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 10 hp N/A 200 V N/A 450 gpm28.4 L/s
4RHX100M2-23 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 10 hp N/A 230 V N/A 450 gpm28.4 L/s
4RHX100M2-43 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 10 hp N/A 460 V N/A 450 gpm28.4 L/s
4RHX100M2-53 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 10 hp N/A 575 V N/A 450 gpm28.4 L/s
4RHX150M2-03 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 15 hp N/A 200 V N/A 450 gpm28.4 L/s
4RHX150M2-23 N/A Explosion-proof 4" Non-Clog Wastewater Pumps N/A 130 ft39.5 m N/A 15 hp N/A 230 V N/A 450 gpm28.4 L/s
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