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Vertical Immersed Pump

Vertical Submerged Sump Pump for Deep Tanks

Vertical Immersed Pump
Vertical & Sump Pumps

Vertical Immersed Pump

Vertical Submerged Sump Pump for Deep Tanks

The Vertical Immersed Pump is a vertical submerged sump pump designed for underground tanks, pits, and sumps in chemical and industrial facilities. It requires no priming and offers customizable immersion depth.

Category: Vertical & Sump Pumps

Product Specifications

Flow Rate3 - 300 m³/h
Head10 - 100 m
Power1.5 - 75 kW
Speed1450 / 2900 rpm
Casing MaterialCast Iron / Stainless Steel
Impeller MaterialStainless Steel / Bronze
Immersion Depth1 - 5 m
Max Temperature180 °C
Max Pressure1.6 MPa
Seal TypeMechanical Seal
StandardIndustrial Standard

Product Description

The Vertical Immersed Pump is a heavy-duty vertical sump pump designed for underground tanks, pits, and drainage sumps in industrial and chemical facilities. Its submerged volute and impeller provide self-priming operation without external priming systems, while the vertical column can be specified for various liquid depths. The pump handles flow rates from 3 to 300 m³/h at temperatures to 180°C, with material options including cast iron and stainless steel. Ideal for stormwater, process water, and chemical fluid collection systems.

Applications

  • Chemical plant sumps
  • Petrochemical tank farms
  • Power plant drainage
  • Steel mill cooling
  • Mining dewatering
  • Industrial wastewater

Quality Assurance

All Vertical Immersed Pumps are manufactured under ISO 9001 quality management system. Each pump undergoes rigorous testing including hydrostatic pressure test, performance test, NDT inspection, and dynamic balance verification before shipment. We provide comprehensive documentation including test reports, material certificates, and operation manuals.

Why Choose Our Vertical & Sump Pumps

Vertical Immersed Design

Vertically immersed pump with motor above liquid and extended shaft, suitable for corrosive tank and sump service in chemical processing.

Extended Shaft Length

Custom shaft lengths from 0.5 to 4 meters, with motor mounted above tank cover for easy access and maintenance.

Corrosion-Resistant Construction

316L, duplex, or fluoroplastic lined wetted parts for corrosive tank service including acid, alkali, and solvent applications.

Seal-Less Option

Available with magnetic drive coupling for zero-emission service, eliminating mechanical seal maintenance in hazardous fluid tanks.

Key Features

Vertical submerged design for below-grade service
Cantilever shaft (no submerged bearings)
316L stainless steel or duplex construction
Dry-running capable mechanical seal
Immersion depths from 1 to 6 meters
Optional fluoroplastic lined wet end

Frequently Asked Questions

What is a vertical immersed pump?

A vertical immersed pump has its hydraulic end (impeller, volute) submerged in the fluid while the motor sits above the tank. It is used for corrosive and hazardous fluid transfer from tanks and sumps.

How is a vertical immersed pump different from a sump pump?

Immersed pumps are typically mounted on tank tops with the entire hydraulic section inside the tank. Sump pumps mount on a plate above a pit. Both are vertical, cantilever designs.

What seal arrangement do vertical immersed pumps use?

Most use a mechanical seal at the top of the column, or are seal-less with the entire rotating assembly submerged. Some use a lip seal or packing for less critical services.

Can vertical immersed pumps handle volatile organic compounds (VOCs)?

Yes, with a vapor-tight seal arrangement and nitrogen purge. For highly toxic VOCs, consider a canned motor or magnetic drive vertical pump for zero emissions.

Selection Guide

✅ When to Choose This Pump

  • Below-grade tanks, pits, and sumps
  • Corrosive waste collection and transfer
  • Applications where NPSH is very low
  • Plating tanks and chemical process vessels

⚠️ When NOT to Choose

  • Above-ground installation (use horizontal pump)
  • High-pressure multistage requirements
  • Solids larger than 10% by weight
  • Applications requiring frequent dry running

💡 Common Selection Mistakes

  • Not specifying correct immersion depth
  • Using standard bearings for corrosive vapor
  • Ignoring shaft deflection at long lengths
  • Not providing proper venting for submerged seal

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