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TRAMCO’s Series 3500 Vertical Sump Pumps are engineered and precision built for years of dependable service. Quality materials and construction, together with a mechanical shaft seal design, allow continuous operation in temperatures up to 200° F.  Available in 1 1/2″ to 6″ discharge, flows up to 1600 GPM and heads up to 160ft.


Sump Drainage
Liquid Transfer
Industrial Process


The Series 3500 is a centrifugal type pump fitted with a semi-open impeller accurately machined and balanced for smooth, quiet operation.

Mechanical Shaft Seal

Series 3500 pumps are fitted with a 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.

Pump Lubrication

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 pump is manufactured with schedule 80 hot dipped galvanized steel as standard.


Size 1-1/4″ high accuracy, grade 1215 that is turned, ground and polished. Shafts are also available in stainless steel.

Discharge Pipe

The pump is manufactured with schedule 40 hot dipped galvanized steel as standard.

Motor Support Bracket

The heavy cast pedestal is accurately machined to house the thrust bearing and align the motor.

Thrust Bearing

The thrust ball bearing is grease lubricated and elevated above the cover plate for protection from dirt and moisture.

Floor Plate Suspension Cover

Heavy duty steel. Tramco will fabricate covers to duplicate existing pumps and piping.


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.


Made of heavy cast iron construction.

Float Control (Optional)

Heavy duty pedestal mounted float switch is available. Float ball is stainless steel.

Basin Cover (Optional)

Heavy duty basin cover capable of supporting vertical suspended pumps and motors. Covers are available for simplex, duplex or other configurations.