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Fluorine Lined Chemical Pump

ISO 2858 Standard Chemical Centrifugal Pump

Fluorine Lined Chemical Pump
Chemical Centrifugal Pumps

Fluorine Lined Chemical Pump

ISO 2858 Standard Chemical Centrifugal Pump

The Fluorine Lined Chemical Pump is an ISO standard chemical pump designed for handling corrosive and aggressive media in chemical processing, pharmaceutical, and related industries. It features excellent corrosion resistance and reliable mechanical sealing.

Category: Chemical Centrifugal Pumps

Product Specifications

Flow Rate2 - 100 m³/h
Head10 - 60 m
Power1.1 - 22 kW
Speed1450 / 2900 rpm
Casing MaterialCast Steel with PFA Lining
Impeller MaterialFluoroplastic Alloy
Max Temperature150 °C
Max Pressure1.0 MPa
Seal TypeMechanical Seal
StandardIndustrial Standard

Product Description

The Fluorine Lined Chemical Pump is an ISO 2858 standard centrifugal pump with cast steel casing lined with PFA fluoroplastic for heavy-duty corrosive chemical service. Its metal-backed lining combines pressure containment with superior chemical resistance, handling flow rates from 2 to 100 m³/h at heads to 60 m and temperatures to 150°C. The pump features mechanical seal options and back-pull-out maintenance design, suitable for strong acids, alkalis, and high-temperature corrosive fluids in chemical and petrochemical industries.

Applications

  • High temperature acid transfer
  • Pharmaceutical API production
  • Semiconductor chemicals
  • Fine chemical manufacturing
  • High purity applications
  • Chemical reactor feed

Quality Assurance

All Fluorine Lined Chemical 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

Fluorine Lined Corrosion Protection

Full fluoropolymer lining on all wetted surfaces including casing, impeller, and cover, providing complete isolation from corrosive process fluids.

Chemical Process Optimized

Hydraulic design optimized for chemical process transfer and circulation, with stable performance across varying flow and pressure conditions.

Mechanical Seal Options

Compatible with single and double mechanical seals, with fluoroplastic lined seal chamber for corrosive and hazardous fluid service.

Quality Assurance

Each pump undergoes hydrostatic test, performance test, and liner spark test before shipment, with full documentation package.

Key Features

ISO 2858 / EN 22858 standard dimensions
316L stainless steel wetted parts
Back pull-out design without removing piping
Single mechanical seal (upgrade to double available)
Optional fluoroplastic lining for strong acids
Duplex 2205 material option for chlorides

Frequently Asked Questions

What is the difference between fluorine-lined and fluoroplastic pumps?

They are essentially the same — fluorine-lined refers to PTFE/PFA lining on metal. "Fluoroplastic" is the broader material category. Both provide universal chemical resistance.

How is fluorine lining applied to pump casings?

Methods include transfer molding (PTFE sheet pressed into preheated casing), injection molding (PFA injected into mold), and rotational lining. Each method has different thickness and quality characteristics.

What is the expected service life of fluorine-lined pumps?

8-15 years with proper operation. Life depends on fluid temperature, cycling frequency, solid content, and maintenance. Thermal cycling is the most common cause of lining degradation.

Can fluorine-lined pumps be used for vacuum distillation?

Yes, with properly bonded lining. The bond must withstand vacuum without blistering. PFA lining is preferred over PTFE for vacuum service due to better mechanical strength and bond integrity.

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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