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Pentair Myers 3R/3RX 3" Solids Handling

The Pentair Myers 3R series pump provides smooth, vibration-free operation and is for use when difficult fibrous or stringy solids are expected.

Available in ordinary and hazardous location.

  • Flows up to 320 gpm
  • Heads up to 64'
  • Speed 3450 RPM
  • Discharge 3"

Specifications

Capacities To: 320 GPM (20 LPS)
Heads To: 64' (20 m)
SOLIDS HANDLING: 3" (76.2 mm)
SOLIDS HANDLING: 3" (76.2 mm)
Liquids Handling: Raw unscreened sewage, fibrous wastewater, effluent, storm water
Intermittent Liquid Temp.: Up To 140°F (60°C)
Winding Insulation Temp Class F: 311°F (155°C)
Std. Third Party Approvals: CSA
Optional Approvals: FM Class 1, Groups C & D (3RX only)
Acceptable pH Range: 6-9
Specific Gravity: .9 – 1.1
Viscosity: 28 – 35 SSU
Horizontal Discharge: 3" (76 mm)
Flanged Centerline: 125 lb. ANSI
Motor Housing, Seal Housing, Cord Cap and Volute Case: Cast iron, Class 30, ASTM A48
Recessed Impeller: Ductile iron, Class 65 ASTM A536
Power Cord: SOOW, W
Control Cord: SOOW
MECHANICAL SEAL OPTIONAL: Double tandem, type 21 carbon and ceramic lower tungsten, carbide
PUMP MOTOR SHAFT: 416 SST
FASTENERS: 300 series SST
Hertz: 60 Hz (3450 RPM Electrical Data)
Motor Electrical Data:1750 RPM 2 – 5 HP, 230V, 1Ø, 60 Hz 2 – 5 HP, 200/230/460/575V, 3Ø, 60 Hz
Item #Hazardous LocationHPVoltagePhaseStart AmpsRun AmpsService Factor AmpsRun kWService Factor kWStart KVARun KVANEC Code LetterService Factor
3R20M4-213RX20M4-2122301641214.41.92.314.72.8J1.2
3R20M4-033RX20M4-0322083448.49.81.82.315.22.8J1.2
3R20M4-233RX20M4-23223034078.61.82.315.92.8J1.2
3R20M4-433RX20M4-4324603233.54.31.82.318.32.8L1.2
3R20M4-533RX20M4-5325753162.83.41.82.315.92.8J1.2
3R30M4-213RX30M4-213230110117.5212.12.523.24J1.2
3R30M4-033RX30M4-033208366.715183.54.3235G1.2
3R30M4-233RX30M4-2332303581314.43.54.3235G1.2
3R30M4-433RX30M4-43346032967.23.54.3235G1.2
3R30M4-533RX30M4-533575321.3563.54.3235G1.2
Motor Electrical Data:1750 RPM 2 – 5 HP, 230V, 1Ø, 60 Hz 2 – 5 HP, 200/230/460/575V, 3Ø, 60 Hz
Item #Hazardous LocationHPVoltagePhaseStart AmpsRun AmpsService Factor AmpsRun kWService Factor kWStart KVARun KVANEC Code LetterService Factor
3R20M4-213RX20M4-2122301641214.41.92.314.72.8J1.2
3R20M4-033RX20M4-0322083448.49.81.82.315.22.8J1.2
3R20M4-233RX20M4-23223034078.61.82.315.92.8J1.2
3R20M4-433RX20M4-4324603233.54.31.82.318.32.8L1.2
3R20M4-533RX20M4-5325753162.83.41.82.315.92.8J1.2
3R30M4-213RX30M4-213230110117.5212.12.523.24J1.2
3R30M4-033RX30M4-033208366.715183.54.3235G1.2
3R30M4-233RX30M4-2332303581314.43.54.3235G1.2
3R30M4-433RX30M4-43346032967.23.54.3235G1.2
3R30M4-533RX30M4-533575321.3563.54.3235G1.2
3R50M4-213RX50M4-215230114134416.37.732.47.8H1.2
3R50M4-033RX50M4-035208311121.6265.66.938.47.2H1.2
3R50M4-233RX50M4-2352303961821.65.66.938.47.2H1.2
3R50M4-433RX50M4-435460348910.85.66.938.47.2H1.2
3R50M4-533RX50M4-5355753397.28.65.66.938.47.2H1.2
Motor Electrical Data:3450 RPM 5 HP, 230V, 1Ø, 60 Hz 5 – 7½ HP, 200/230/460/575V, 3Ø, 60 Hz
Item #Hazardous LocationHPVoltagePhaseStart AmpsRun AmpsService Factor AmpsRun kWService Factor kWStart KVARun KVANEC Code LetterService Factor
3R50M2-213RX50M2-215230111725.5295.25.826.95.9F1.2
3R50M2-033RX50M2-0352083821719.15.25.928.44G1.2
3R50M2-233RX50M2-23523037714.816.65.25.930.74G1.2
3R50M2-433RX50M2-435460338.57.48.35.25.930.74G1.2
3R50M2-533RX50M2-5355753345.96.65.25.933.94G1.2
3R75M2-233RX75M2-237.5230317220.5277.49.768.55.5L1.31
3R75M2-433RX75M2-437.546038610.313.57.49.768.55.5L1.31
3R75M2-533RX75M2-537.5575371.48.210.87.49.771.15.5L1.31