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Fluoroplastic Alloy Vertical Sump Pump

Vertical Submerged Sump Pump for Deep Tanks

Fluoroplastic Alloy Vertical Sump Pump
Vertical & Sump Pumps

Fluoroplastic Alloy Vertical Sump Pump

Vertical Submerged Sump Pump for Deep Tanks

The Fluoroplastic Alloy 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 Rate1 - 100 m³/h
Head10 - 60 m
Power0.75 - 22 kW
Speed1450 / 2900 rpm
Casing MaterialFluoroplastic Alloy (FRP)
Impeller MaterialFluoroplastic Alloy
Immersion Depth0.5 - 3 m
Max Temperature100 °C
Max Pressure0.6 MPa
Seal TypeMechanical Seal / No Seal
StandardIndustrial Standard

Product Description

The Fluoroplastic Alloy Vertical Sump Pump is a corrosion-resistant vertical submerged pump with fluoroplastic alloy (FRP) wetted components for highly aggressive chemical service. Its non-metallic construction withstands strong acids, alkalis, and oxidizing agents that would degrade metallic pumps. The pump handles flow rates from 1 to 100 m³/h at temperatures to 100°C, with the vertical column immersed directly in the corrosive fluid. Ideal for acid storage tanks, chemical processing sumps, and electroplating applications.

Applications

  • Strong acid transfer (sulfuric, hydrochloric)
  • Electroplating industry
  • Metal surface treatment
  • Chemical waste treatment
  • Fertilizer production
  • Chlor-alkali plants

Quality Assurance

All Fluoroplastic Alloy 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

Fluoroplastic Alloy Vertical Sump

Fluoroplastic lined vertical sump pump for corrosive below-grade service, combining PTFE/PFA lining with alloy structural strength.

Full Fluoroplastic Lining

All wetted surfaces including column pipe and shaft sleeve lined with fluoropolymer, ensuring complete corrosion protection.

Submerged Impeller

Impeller operates below liquid surface, no priming required, suitable for corrosive sump and tank service in chemical plants.

Spark Tested Integrity

All fluoroplastic linings undergo high-voltage spark testing to verify integrity, preventing process fluid contact with metal substrate.

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 fluids are fluoroplastic sump pumps suitable for?

They handle concentrated sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, caustic soda, and most corrosive chemicals. PFA/PTFE lining provides universal chemical resistance.

What is the maximum temperature for fluoroplastic-lined sump pumps?

PTFE lining handles up to 150°C (302°F). PFA lining can handle up to 200°C (392°F). Above these temperatures, the lining may deform or lose bond strength.

Can fluoroplastic sump pumps handle solids?

They can handle small amounts of fine solids (<2mm, <5% concentration). For abrasive slurries, consider rubber-lined or high-chrome pumps instead.

How is the fluoroplastic lining bonded to the metal?

The PTFE/PFA lining is chemically bonded to the cast steel or stainless steel casing using a proprietary adhesive system. This prevents blistering and delamination under thermal cycling.

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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