FSB Series non metallic chemical pumps for Strong Acids & Alkalis

FSB non metallic chemical pumps, also known as ‘FSB fluorinated centrifugal pumps’, are designed in accordance with international standards. The pump body features a metal casing lined with polyvinylidene fluoride (customisation available), whilst all flow-through components are manufactured from fluoroplastic alloys. They are compact in design, simple to operate and cost-effective, and are widely favoured in industries such as pesticides, electronics and paper manufacturing.

Flow Rate Range :

1.2m³/h~60m³/h

Head Range:

5m~50m

Motor Power :

0.12kw~18.5kw

Speed:

968 ~ 3450 r/min

Medium Temperature Range:

-20°C~90°C

Customizable Materials:

non metallic (customisation available)

What are FSB Non metallic Chemical Pumps?

FSB series pumps, also known as “Fluoroplastic Lined Centrifugal Pumps,” are designed according to international standards. The pump body features a metallic outer shell lined with polyperfluoroethylene propylene (FEP). This unique construction combines the mechanical strength of metal with the exceptional corrosion resistance of fluoroplastics.

  • Integrated Moulding: Impellers, pump covers, and bushings are sintered and pressure-moulded as a single unit with metal inserts.
  • Advanced Sealing: Equipped with external bellows mechanical seals. The stationary ring uses 99.0% alumina ceramic or silicon carbide, while the moving ring utilises PTFE-filled materials for superior wear resistance.

Engineered for the Toughest Chemical Processes

The FSB series is the ideal equipment for modern chemical plants where preventing leaks (“Run, Emit, Drip, or Leak”) is critical.
Compatible Media:
Sulfuric Acid, Nitric Acid, Hydrochloric Acid, Phosphoric Acid, Hydrofluoric Acid, Aqua Regia, Strong Alkalis, Organic Solvents, and Strong Oxidizers.

Automotive Manufacturing

Automotive Manufacturing

Pickling and spray painting processes.

Metallurgy & Smelting

Non-ferrous Metal Smelting

 Electrolyte transfer.

Chlor-alkali Industry

Chlor-alkali Industry

Ion-membrane caustic soda projects, chlorine water, and wastewater treatment.

Safe transport of liquid pesticides, insecticides and other hazardous chemicals.

Pesticide & Fertilizer

Corrosive liquid handling and acid addition.

Other Sectors: Petroleum, pharmaceutical, dyeing, Electronics & Papermaking, and electroplating.

For further industry-specific solutions, we recommend contacting the manufacturer to obtain a solution tailored to your specific operating conditions.

Why Choose It?

Advantages of the Non metallic Chemical Pumps

non metallic chemical pumps
non-metallic chemical pumps

We provide complete technical documentation, selection guidance, and engineering support to help you find the right fit for your specific slurry application. Customised designs are available for unique head, flow, or corrosion requirements.

Need a quick answer or a tailored quote? Our team responds within 24 hours with one-on-one support.

Non metallic Chemical Pumps Specifications

Our company manufactures FSB Non-metallic Chemical Pumps, which are capable of continuously conveying a wide range of corrosive media—including acids, alkalis, salts and strong oxidising agents of any concentration—under temperatures ranging from -20°C to 90°C. The casing and all flow-passing components are made entirely from FEP fluoroplastic alloy, which combines the advantages of various fluoroplastics to offer exceptional corrosion resistance, high mechanical strength, resistance to ageing, and the absence of toxic decomposition. This product features high mechanical strength, rational design, a compact structure, reliable performance, ease of use and maintenance, smooth flow paths for high efficiency, and energy savings. It has been awarded the ‘National Science and Technology Award’.

Parts

FSB non metallic chemical pumps utilise the most advanced external PTFE bellows mechanical seals currently available, featuring multi-layer protection that extends the service life of the mechanical seal. When pumping media containing particulate impurities, these pumps can be fitted with a single-face hard-on-hard (silicon carbide against silicon carbide) mechanical seal that requires no cooling water; therefore, users must take into account the solid content of the medium when selecting a model.

The flow-passing components of FSB non-metallic chemical pumps are entirely manufactured from fluoroplastic alloys, resulting in a compact design, simple operation and low cost. All components of this series—including the pump casing, cover, impeller and mechanical seal—are interchangeable with those of the FSB (D) type short-support direct-coupled fluoroplastic centrifugal pumps. Consequently, they are highly popular among a wide range of users.

Non-metallic Chemical Pumps Specifications

Superior Engineering in Every Detail

Exploded view of FSB non-metallic chemical pumps
non metallic chemical pumps

Precision Bearing Box: Mirror-finished to prevent deformation during installation, doubling the service life.

Pure Copper Motor: Brand-name copper core motors for powerful, safe, and efficient drive.

Full Plastic Casing Design: Resistant to acid mist and air corrosion, perfect for harsh industrial atmospheres.

Reinforced HT200 Bracket: Thickened, single-piece casting with no weld points, providing up to 200Mpa tensile strength.

Important Notes

  Do not run dry: Never operate the pump without water to prevent damage to the mechanical seal;

  Selection guidance: Please specify in advance if the medium contains solid particles so that a bespoke sealing solution can be provided;

  For specific parameters such as flow rate and power for particular models, we recommend contacting the manufacturer to obtain a solution tailored to your operating conditions.

Overview

The FSB series represents the pinnacle of non metallic chemical pumps, specifically engineered for the safe and efficient transfer of highly corrosive media. Designed with a robust metal-lined fluoroplastic structure, these pumps utilize F46 (Fluorinated Ethylene Propylene) alloy to ensure zero reaction with aggressive chemicals. Whether handling strong acids, alkalis, or organic solvents, the FSB series is the reliable choice for modern industrial fluid management.

Technical Specifications

FeatureRange & Description
Core KeywordNon-metallic Chemical Pumps
Material ConstructionF46 Fluoroplastic Alloy / Metal-Lined Casing
Flow Rate Range1.2 m³/h – 60 m³/h
Head Range5 m – 50 m
Motor Power0.12 kW – 18.5 kW
Speed Range968 – 3450 r/min
Medium Temperature-20°C to 90°C
Sealing SystemExternal Bellows Mechanical Seal (PTFE/SiC/Ceramic)
CustomizationAvailable for specific non-metallic material requirements

The FSB fluoroplastic alloy centrifugal pump range comprises over 20 models, offering a wide range of flow rates and head capacities. Suitable for transporting liquids in industries such as petroleum, chemicals, pharmaceuticals, pesticides, acid washing, dyes, paints, smelting, papermaking, electroplating and food processing, these pumps eliminate leaks, spills, drips and seepage, making them the ideal equipment for building modern, civilised factories.

FSB Long-Coupled Type

ModelFlow Rate (m³/h)Head (m)Inlet Dia. (mm)Outlet Dia. (mm)Shaft Power (kW)Motor Power (kW)Speed (r/min)NPSH (m)Efficiency (%)
25FSB-103.61025250.691.529003.035
25FSB-203.62025250.972.229003.035
25FSB-253.62525251.252.229003.035
40FSB-1551540320.513.029003.040
40FSB-20102040321.163.029003.042
40FSB-30103040321.183.029003.052
40FSB-406.34040253.14.029003.040
40FSB-506.35040253.554.029003.052
40FSB-806.38040257.117.529003.052
50FSB-2012.52050321.493.029003.555
50FSB-2512.52550321.863.029003.555
50FSB-30153050321.903.029003.554
50FSB-4012.54050324.37.529003.039
50FSB-5012.55050325.87.529003.039
65FSB-32253265504.85.529002.045
65FSB-40254065407.21129003.052
65FSB-50255065408.61129003.552
65FSB-802580654014.118.529004.550
80FSB-20502080654.75.529003.045
80FSB-25502580655.77.529003.050
80FSB-30503080656.97.529003.559
80FSB-405040805010.211.029003.548
80FSB-505050805011.915.029003.557
80FSB-555055805013.518.529004.050
80FSB-805080805024.63029004.066
100FSB-2010020100808.611.029003.568
100FSB-32100321008011.915.029003.568
100FSB-40100401006521.330.029004.573
100FSB-50100501006523.930.029004.573
125FSB-32160321258024.1530.029005.070
125FSB-502005012510039.255.029005.065
150FSB-321503220012535.345.014505.060

FSB Short-Coupled Type

ModelFlow Rate (m³/h)Head (m)Inlet Dia. (mm)Outlet Dia. (mm)Shaft Power (kW)Motor Power (kW)Speed (r/min)NPSH (m)Efficiency (%)
40FSB-15(D)51540320.513.029003.040
40FSB-20(D)102040321.163.029003.042
40FSB-30(D)103040321.183.029003.052
50FSB-20(D)12.52050321.493.029003.555
50FSB-25(D)12.52550321.863.029003.555
50FSB-30(D)153050321.903.029003.554
65FSB-32(D)253265503.615.529003.565
80FSB-25(D)422580653.87.529003.567
80FSB-30(D)503080656.827.529003.568

Notes

  • The above performance data are based on standard operating conditions.
  • If the required parameters are outside the scope of this table, customized solutions can be provided according to customer requirements.
  • Some large-size pump casings in the table adopt fluoroplastic-lined structures for enhanced corrosion resistance.

Why Choose Changyu Pump?

21+ Years of Specialization in Corrosive Fluid Handling Solutions

With 21 years of expertise, Changyu Pump provides non metallic chemical pumps featuring FEP lining and HT200 brackets, ensuring extreme corrosion resistance and mechanical durability for the most demanding industrial environments.

Our FSB series delivers leak-free performance for acids and solvents. Certified by ISO/CE/ATEX, we offer precision-engineered, customizable solutions backed by advanced manufacturing and rigorous testing for global reliability.

FAQs

Non metallic chemical pumps are used to transfer corrosive liquids such as sulfuric acid, hydrochloric acid, caustic soda, solvents, oxidizers and chemical wastewater in industries including chemical processing, electroplating, pharmaceuticals and wastewater treatment.

FSB non metallic chemical pumps use FEP fluoroplastic alloy for all wetted parts and a reinforced metal-lined casing structure. This design combines superior corrosion resistance with high mechanical strength and long service life.

Yes. FSB pumps are specifically designed for aggressive chemical media including sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, hydrofluoric acid and strong alkalis across a wide concentration range.

The standard operating temperature range is -20°C to 90°C. Customized material configurations are available for more demanding operating conditions.

Yes. For media containing solid particles or crystals, silicon carbide mechanical seals can be selected to improve wear resistance and sealing reliability.

Long-coupled FSB pumps use a bearing bracket structure for higher stability and easier maintenance, while short-coupled FSB(D) pumps are compact direct-coupled models suitable for limited installation spaces.

Factory Show

Custom Visit

Related Blog

Request a free quote

Please fill in the details of your pumped liquid, including flow, head, specific gravity, and temperature, so we can recommend the best pump and provide a precise quote.

  • Customized Pump Solutions
  • Fast Quotation within 24 hours
  • Factory Direct with Competitive Price
  • Professional engineers, one-on-one technical consultation
  • CE/ISO certified pumps with strict testing before shipment
Follow Us: