THE RIGHT CHOICE

The 4RC and 4RCX (explosion-proof) submersible wastewater pumps are the right choice when difficult to pump fibrous or stringy solids are to be expected. The 4RC/4RCX series provides smooth, vibration-free operation when operating at heads higher than peak efficiency. The pump is for use in municipal lift stations, treatment plants and industrial waste water applications.

Myers offers a complete line of wastewater pumps, lift-out rail assemblies, controls and accessories to meet your needs. Call your Myers distributor or the Myers sales office at 419-289-1144 for more details.

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 shutoff 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 burnout.

AVAILABLE WITH OPTIONAL FM APPROVAL FOR USE IN CLASS 1, GROUPS C AND D HAZARDOUS LOCATIONS (4RCX ONLY).

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Product Capabilities
Capacities To	1250 gpm	78.8 lps
Heads To	265	80.8 m
Solids Handling	3 in.	76 mm
Liquids Handling	Raw unscreened sewage, fibrous wastewater, effluent, storm water
Intermittent Liquid Temp.	up to 140°F	up to 60°C
Winding Insulation Temp. (Class H)	356°F	180°C
Motor Electrical Data	1150 rpm 3–15 HP, 200/230/460/575V, 3 phase, 60 Hz 1750 rpm 10–40 HP, 200/230/460/575V, 3 phase, 60 Hz 3450 rpm 20–60 HP, 230/460/575 volts, 3 phase, 60 Hz
Third Party Approvals	FM, Class 1, Div. 1, Groups C & D (4RCX only)
Acceptable pH Range	6 – 9
Specific Gravity	.9 – 1.1
Viscosity	28 – 35 SSU
Discharge, Horizontal	4 in.	101.6 mm
Flanged Centerline	125 lb. ANSI

NOTE: Consult factory for applications outside of these recommendations.

Construction Materials
Motor Housing, Seal Housing, Cord Cap and Volute Case	Cast iron, Class 30, ASTM A48
Recessed, Impeller	Ductile iron, Class 65, ASTM A536
Power and Control Cord	35 ft. SOOW
Mechanical Seals Standard------------------- Optional-------------------	Double tandem, type 21 Carbon and ceramic Lower tungsten carbide, silicon carbide
Pump, Motor Shaft	416 SST
Fasteners	300 series SST

THE RIGHT CHOICE

Passes stringy trash, fibrous wastes, slurries, and other difficult to pump solids that standard enclosed or semi-open impellers cannot.

Durable motor will deliver many years of reliable service.

Advantages by Design

Dimensions

1150 RPM PERFORMANCE CURVE

1750 RPM PERFORMANCE CURVE

3450 RPM PERFORMANCE CURVE