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Corrosion-Resistant Chemical Pump

316L Stainless Steel Centrifugal Pump for Corrosive Chemicals

Corrosion-Resistant Chemical Pump
Chemical Centrifugal Pumps

Corrosion-Resistant Chemical Pump

316L Stainless Steel Centrifugal Pump for Corrosive Chemicals

316L stainless steel centrifugal chemical pump for general corrosive chemical transfer, food processing, and pharmaceutical applications.

Category: Chemical Centrifugal Pumps

Product Specifications

Flow Rate3 - 300 m³/h
Head10 - 150 m
Power3 - 110 kW
Speed1450 / 2900 rpm
Casing Material316L Stainless Steel
Impeller Material316L Stainless Steel
Max Temperature120 °C
Max Pressure1.6 MPa
Seal TypeMechanical Seal
StandardISO 2858 / CE

Product Description

The corrosion-resistant chemical pump is a horizontal centrifugal pump with all wetted parts constructed from 316L stainless steel, offering good corrosion resistance for a wide range of chemical and industrial applications. The pump features a 316L stainless steel casing, impeller, and shaft sleeve for corrosion resistance, with a robust bearing housing and back pull-out design for easy maintenance. Suitable for mildly corrosive chemicals, clean water, and food-grade liquids.

Applications

  • Chemical processing
  • Food & beverage
  • Pharmaceutical manufacturing
  • Water treatment
  • General industrial
  • Corrosive liquid transfer

Quality Assurance

All 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 Chemical Centrifugal Pumps

Corrosion-Resistant Alloy Construction

Duplex stainless steel and high-alloy wetted parts for aggressive chemical service, with superior pitting and crevice corrosion resistance in chloride-containing environments.

ISO 2858 Standard Dimensions

Standardized mounting envelope per ISO 2858 / EN 22858, enabling direct interchangeability with existing installed base without piping modification.

Heavy-Duty Shaft & Bearings

Oversized shaft with low deflection at seal face, paired with heavy-duty angular contact bearings for extended service life in continuous chemical processing.

Multiple Seal Options

Accommodates single, double, and cartridge mechanical seals with API flush plan connections, suitable for toxic, flammable, and crystallizing fluids.

Key Features

316L stainless steel wetted parts
Good corrosion resistance
Flow rates up to 300 m³/h, heads up to 150m
Temperature range: -20°C to 120°C
Back pull-out design for easy maintenance
Single mechanical seal standard
High efficiency hydraulic design
Food-grade and pharmaceutical options available

Frequently Asked Questions

What is the difference between 304 and 316L?

316L contains molybdenum, providing better corrosion resistance to chlorides and acids than 304. 316L is preferred for chemical processing and marine environments.

Can it handle concentrated sulfuric acid?

316L is suitable for dilute sulfuric acid but not concentrated sulfuric acid at high temperatures. For concentrated acids, we recommend fluoroplastic-lined or high-alloy pumps.

Is it suitable for food applications?

Yes, with food-grade mechanical seal and polished internal surfaces, the pump can be used for food and beverage processing.

Selection Guide

✅ When to Choose This Pump

  • General chemical transfer and circulation
  • Acids, alkalis, and solvents at moderate temperatures
  • ISO 2858 standard dimension interchangeability
  • Plants requiring easy maintenance and spare parts

⚠️ When NOT to Choose

  • Highly abrasive slurries (use slurry pump)
  • Zero-leakage requirements for toxic fluids (use magnetic drive)
  • High viscosity above 500 cP (use PD pump)
  • Self-priming needs (use self-priming pump)

💡 Common Selection Mistakes

  • Selecting wrong material for chloride-containing fluids
  • Not accounting for viscosity derating
  • Using standard seal for crystallizing fluids
  • Ignoring suction piping design for low NPSH

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