Capacity : 95 gpm (360 lpm)
Head : 34 ft (10 m)

Simplex and Duplex Explosion-Proof Packages

Submersible Sump Pump/Control Panel

Myers SX50 and SX50H are rugged 1/2 hp Explosion-proof Submersible Sump Pumps designed for many commercial, municipal, or industrial applications. The SX50 and SX50H are U.L. and CSA listed with construction for use in Class 1, Division 1, Group D hazardous locations. These pumps are designed to pump contaminated water with a wide range of pollutants listed under the U.L., CSA listing. The pump package includes Myers intrinsically safe control panel.

Myers CEX control panels feature:
  • NEMA 4X enclosure with inner door
  • Separate pump and control circuit breaker
  • intrinsically safe module for floats
  • H-O-A switch
  • Run, seal leak, and alarm light
  • Motor starter and capacitor
  • U/L 913
  • Solids handling up to 2"
Applications Include
  • Service stations
  • "Quick-lube" stations
  • Car/truck washes
  • Truck docks
  • Military base
Pump/Control Panel Packages

SIMPLEX 1Ø
SX50-21PS (high flow)
SX50H-21 PS (high pressure)

DUPLEX 1Ø
SX50-21PD (high flow)
SX50H-21PD (high pressure)

SIMPLEX 3Ø
SX50-23PS (high flow)
SX50H-23PS (high pressure)

DUPLEX 3Ø
SX50-23PD (high flow)
SX50H-23PD (high pressure)
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Unit of Measure
Items
Myers® SX50/SX50H Series Packages

Myers® SX50 and SX50H Series Packages
Myers® SX50/SX50H Series Packages

Myers® SX50 and SX50H Series Packages
Myers® SX50/SX50H Series Packages

Myers® SX50 and SX50H Series Packages
Myers® SX50/SX50H Series Packages

Myers® SX50 and SX50H Series Packages
Head N/A 34 ft10 m
Solids Handling N/A 2 in50 mm N/A 3/4 in19 mm N/A 2 in50 mm N/A 3/4 in19 mm
Liquids Handling N/A Domestic Effluent & Drain Water
Intermittent Liquid Temperature N/A up to 140 ºFup to 60 ºC
Winding Insulation Temperature. (Class B) N/A 266 ºF130 ºC
Motor Electrical Data1 N/A 1/2 hp, 1750 rpm
1Ø - capacitor start, 230 volt; 60 Hz 1/2 hp, 1750 rpm
3Ø - 200/230/460V; 60 Hz
Acceptable pH Range N/A 6 to 9
Specific Gravity N/A 0.9 to 1.1
Viscosity N/A 28 to 35 SSU
Discharge, NPT N/A 2 in50 mm N/A 1 1/2 in38.1 mm N/A 2 in50 mm N/A 1 1/2 in38.1 mm
Minimum Sump Diameter (Simplex) N/A 24 in61 cm
Minimum Sump Diameter (Duplex) N/A 36 in91.4 cm
Motor Housing Material N/A Cast Iron, Class 30, ASTM A48
Seal Housing Material N/A Cast Iron, Class 30, ASTM A48
Volute Case Material N/A Cast Iron, Class 30, ASTM A48
Cord Cap Material N/A Cast Iron, Class 30, ASTM A48
Recessed Impeller Material N/A Cast Iron, Class 20, A48
Power Cord Material N/A 15' 14/4 SOOW
Control Cord Material N/A 15' 18/5 SOOW
Standard Double Tandem Mechanical Seal Material N/A Carbon & Ceramic
Optional Double Tandem Mechanical Seal Material N/A Lower Tungsten Carbide
Pump Shaft Material N/A 416 SST
Motor Shaft Material N/A 416 SST
Fasteners Material N/A 300 series SST
Speed N/A 1750 rpm
Power N/A 1/2 hp
Voltage N/A 230 V
Phase N/A 1 N/A 1 N/A 3 N/A 3
Frequency N/A 60 Hz
Start N/A 12.5 A N/A 12.5 A N/A 10.8 A N/A 10.8 A
Run N/A 5.3 A N/A 5.3 A N/A 3.2 A N/A 3.2 A
NEC Code Letter N/A H N/A H N/A G N/A G
Service Factor N/A 5.8 A1.1 N/A 5.8 A1.1 N/A 4 A1.25 N/A 4 A1.25
Capacity N/A 95 gpm360 lpm
Agency Approvals2 N/A



Note N/A Consult factory for applications outside of these recommendations.
  • 1 Single phase motors are capacitor start type. Myers control panels or capacitor kits are recommended for proper operation and warranty.
  • 2 CSA , UL Class 1, Div. 1, Group D