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Stainless Steel Vertical Sump Pump

Vertical Submerged Sump Pump for Deep Tanks

Stainless Steel Vertical Sump Pump
Vertical & Sump Pumps

Stainless Steel Vertical Sump Pump

Vertical Submerged Sump Pump for Deep Tanks

The Stainless Steel Vertical Sump 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 Rate2 - 200 m³/h
Head10 - 80 m
Power1.1 - 45 kW
Speed1450 / 2900 rpm
Casing MaterialStainless Steel 304/316L
Impeller MaterialStainless Steel 304/316L
Immersion Depth0.5 - 4 m
Max Temperature150 °C
Max Pressure1.0 MPa
Seal TypeMechanical Seal
StandardIndustrial Standard

Product Description

The Stainless Steel Vertical Sump Pump is a vertical submerged pump with 304/316L stainless steel wetted parts for corrosive and clean fluid service. Its cantilevered shaft design eliminates the need for submerged bearings, reducing maintenance in chemical and industrial sumps. The pump delivers flow rates from 2 to 200 m³/h at heads to 80 m, with customizable column lengths to match tank depth. Suitable for chemical storage, wastewater, and industrial processing applications requiring corrosion resistance.

Applications

  • Chemical tank transfer
  • Pharmaceutical liquid handling
  • Food grade applications
  • Water treatment sumps
  • Plating solution circulation
  • Dairy processing

Quality Assurance

All Stainless Steel Vertical Sump 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

Stainless Steel Vertical Sump

316L stainless steel vertical sump pump for corrosive and general industrial sump service, with robust construction for continuous duty.

All-Stainless Wetted Parts

316L stainless steel casing, impeller, shaft, and column pipe for corrosion resistance in chemical and wastewater sump service.

Long Shaft Options

Shaft lengths 1-6 meters with line shaft bearings, suitable for deep sumps and underground tanks in industrial facilities.

Dry-Running Protection

Optional carbon or silicon carbide bearings provide intermittent dry-running capability, protecting pump during low-level events.

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 are the advantages of stainless steel vertical sump pumps?

316L stainless construction offers good corrosion resistance for mildly corrosive fluids, is easier to clean, and is suitable for pharmaceutical and food-grade applications with proper certification.

Can stainless steel sump pumps be used underground?

Yes, they are designed for pit and sump installation. The motor is above the fluid level, and the column extends down to the impeller. Lengths are customizable.

What is the typical head range for stainless steel vertical sump pumps?

Single-stage models provide 5-30m head. Multistage configurations can achieve 100m+ head by stacking impeller stages on the same shaft.

How often should vertical sump pump bearings be inspected?

Product-lubricated bearings should be inspected annually for wear. If pumping abrasive or corrosive fluids, inspect every 6 months. Replace when clearance exceeds manufacturer limits.

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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