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Heavy Duty Sump Pump 9FT

1HP/1phase Shaft B1215 G&P Steel
Model Number
Tramco 500S-A3-91 Heavy Duty Sump Pump 9FT

Tramco 500S-A3-91

Tramco Vertical Heavy Duty Water Sump Pump. 9 foot model with 1 HP motor.

The Series 500 is fitted with a semi-open impeller accurately machined and balanced for smooth, quiet operation. Also available in all iron and 316 stainless steel. Mechanical shaft seal which prevents the liquid being pumped from entering the lower sleeve bearing while retaining the lubrication in the pump. Several seals are available to meet your application. Tramco’s lubrication system provides continuous lubrication to shaft, self lubricated intermediate and lower sleeve bearings. It eliminates the need for external grease lines or product lubricated sleeve bearings.

  • Shaft Column Pipe
  • The models 500S and 500AI are manufactured with schedule 80 hot dipped galvanized steel as standard.
  • Motor Support Bracket
  • The heavy cast pedestal is accurately machined with an integral bracket to support the discharge pipe, house the upper bearing and align the motor. It is suitable for motor frames 56C - 184C.
  • Bearings
  • The upper bearing is a permanently lubricated and sealed precision thrust ball bearing. The lower and intermediate sleeve bearings are self lubricated. Floor Plate Suspension Cover Heavy duty 20” diameter adjustable cover is standard (Type A). TRAMCO will fabricate covers to match existing pumps.
  • Motors
  • The motor and pump shafts are connected by a flexible coupling that allows the motor to be easily removed without distributing the pump and piping. The motor can be detached by simply removing four bolts.
  • Strainer
  • Made of heavy cast iron construction, the strainer is sized for solids the pump will pass. It is also available as a pump stand (Type C) Float Control (Optional) Heavy duty pedestal or motor mounted float switch is available. Float ball is stainless steel. 

Order float switches and pit covers (simplex or duplex) seperately.

More Information
Model Number 500S-A3-91
Series 500 Commercial Sump Pump to 120 GPM
Max Flow (GPM.) 115
Max Flow GPH 6900
TDH Maximum (Ft) 52
TDH Maximum (PSI) 23
Horse Power (HP) 1
Horsepower (IE .5, 1, 1.5, 20) 1.0000
Outlet Connection Type MNPT
Outlet (In.) 2
Wetted Materials Aluminum, Bronze, Cast Iron
Elastomers / O-ring Buna-Nitrile
Voltage (V) 115/230
Voltage (Range) 110-120/220-240
Phase (Ø) Single (1)
Motor Frequency 60
Motor TEFC
Speed (RPM.) 1725
Motor Frame 56C
Max Operating Temperature (F) 200
Viscosity Milk 3.20 cp 40.00 ssu
Shaft Steel
Length (In.) 108.000000
Mechanical Seal TYPE 21
Mechanical Seal Face Carbon-ceramic
Mechanical Seal Type Single
Impeller Size (IN.) 6.870000
Coupling Y
Other Baldor motors.
Pump Bearing Bronze SL
Drain Yes
Port Rotation Yes
Weight (Lbs) 250.000000
Warranty (YRS.) 1

Supporting Docs

Supporting Docs
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