FSJB Without Leakage Chemical Pump

We have engineered this FSJB pump as a direct upgrade to obsolete technologies such as enamel pumps, ceramic pumps, rubber-lined pumps, and standard IH chemical centrifugal pumps. The FSJB Without Leakage Chemical Pump complies with ISO2858-1975(E) standards, ensuring dimensional interchangeability while providing superior corrosion resistance across a temperature range of -10°C to 200°C. Whether you are handling acids, alkalis, solvents, or abrasive slurries with particulate content, the Rongsheng FSJB pump guarantees zero leakage, reduced downtime, and extended service life.

Technical Specifications & Model Designation

Model Nomenclature

Understanding the model code ensures you select the correct FSJB pump for your application parameters.

Example: FSJB 50 - 32 - 32

Operating Performance Table

Select the optimal FSJB pump for your flow and head requirements.

Key Technical Advantages of the FSJB Pump

1. Revolutionary Negative Pressure Seal Design (Zero Leakage Core)

The defining feature of our FSJB Without Leakage Chemical Pump is its innovative mechanical seal configuration. We have positioned the suction port directly at the mechanical seal housing. This structural innovation transforms the traditional positive pressure environment into a negative pressure (vacuum) zone. Consequently, the mechanical seal never bears the working pressure of the fluid during prolonged operation. This design effectively eliminates leakage at the shaft, the most common failure point in standard centrifugal pumps. You can handle hazardous acids or expensive solvents with complete confidence.

2. Premium Fluoroplastic Alloy Construction (F46 / FEP)

The wetted parts of the FSJB pump are manufactured using a scientifically formulated fluoroplastic alloy (primarily Polytetrafluoroethylene and Polyperfluoroethylene propylene). We selected this material for three critical reasons:

• Superior Corrosion Resistance: Withstands virtually any corrosive medium, including strong acids (H₂SO₄, HCl, HNO₃), alkalis, oxidizers, and organic solvents.
• High Mechanical Strength: Unlike standard plastics, our formula ensures the pump casing withstands thermal shock and physical stress up to 200°C.
• Non-Aging & Non-Toxic: The material does not degrade or crack over time and ensures no toxic decomposition, making it suitable for food and pharmaceutical applications.

3. Extended Operational Lifespan

We developed the FSJB pump to solve the inherent weaknesses of magnetic drive pumps (which suffer from decoupling, heat buildup, and complex repairs). Our data shows that the Rongsheng FSJB pump provides 6 to 8 times longer continuous operation than standard magnetic drive pumps. The simple yet robust design means fewer spare parts and easier on-site maintenance.

4. Engineered for Viscous and Particulate Fluids

Standard chemical pumps often clog or lose efficiency when handling slurries. The FSJB Without Leakage Chemical Pump features optimized fluid channels specifically designed to handle liquids with granular viscosity. It is ideal for press filter feeding, slurry transport in rare earth refining operations, and pulp-and-paper applications.

Why Choose Jiangsu Rongsheng?

About Us - Jiangsu Rongsheng Import And Export Co., Ltd.

We are not just a pump reseller; we are a professional and leading enterprise deeply dedicated to the R&D, production, sales, and technology transfer of industrial fluid equipment. While we are widely recognized for our lead oxide production lines, our expertise in corrosion-resistant fluid dynamics has allowed us to perfect the FSJB pump series. We serve global customers in battery manufacturing, ceramics, chemicals, pigments, pharmaceuticals, and mining.

Since our establishment, we have adhered to the core concept of "Technology First, Quality Foremost, Continuous Innovation." Our R&D team, composed of senior engineers with over a decade of experience, integrates advanced thermal engineering and green production concepts into every FSJB pump we manufacture.

Our Commitment to You:

• Customized Manufacturing: We adjust materials (PVDF, UHMWPE, RPP) based on your specific media temperature (-85°C to 200°C).
• Global Service: On-site installation guidance and technical support for international clients.
• Certified Quality: Every FSJB pump undergoes rigorous hydraulic performance testing before leaving our facility.

Industry Applications

The versatility of the Rongsheng FSJB Without Leakage Chemical Pump makes it the preferred choice for demanding sectors:

• Chemical & Petrochemical: Transfer of concentrated sulfuric acid, hydrochloric acid, and mixed acid pickling fluids.
• Rare Earth Refining & Mining: Feeding filter presses and transporting mineral slurries containing abrasive particles.
• Pharmaceutical & Pesticide: Handling corrosive solvents and intermediate chemicals where contamination is prohibited.
• Surface Finishing: Circulation of electroplating solutions (chromic acid, nickel, zinc).
• Food & Dye: Transfer of high-temperature starch slurries, syrup, and dye intermediates.

Frequently Asked Questions (FAQ)

Q: What is the maximum temperature range for the FSJB pump?
A: The standard FSJB pump handles media from -10°C to 200°C. For cryogenic fluids down to -85°C or specific high-temperature chemicals, please contact us to verify material compatibility (special PVDF/UHMWPE options are available).

Q: How does the FSJB pump achieve "no leakage" without the complexity of a magnetic drive?
A: Unlike magnetic pumps that use a sealed canister, the FSJB pump utilizes a "negative pressure device." By creating a vacuum at the seal face, the fluid pressure is removed from the mechanical seal. It effectively runs "dry" from a pressure perspective, ensuring no liquid escapes, even if the seal wears slightly.

Q: Can the FSJB pump handle slurry with crystals or hard particles?
A: Yes, it can. However, for fast-hardening crystalline media or hard particles, we recommend selecting a specific mechanical seal type and adjusting the pump speed. Please notify our technical team so we can customize your FSJB pump accordingly.

Q: Is the FSJB pump interchangeable with my existing IH pump?
A: Yes. The FSJB Without Leakage Chemical Pump is designed to ISO2858-1975(E) standards. The baseplate and dimensional interfaces are generally compatible with standard IH chemical centrifugal pumps, making retrofit installation straightforward.

Q: How do I select the correct FSJB pump model?
A: You need three data points: required flow (m³/h), total head (m), and the specific gravity or viscosity of your fluid. Refer to our Operating Performance Table above. For a required head of 50m at 12.5 m³/h, the FSJB50-32-50 is the correct choice.

Get A Quote

Do not compromise on safety or efficiency. Contact Jiangsu Rongsheng Import and Export Co., Ltd. today to discuss your fluid handling challenges. Share your media, temperature, and pressure requirements, and we will recommend the optimal FSJB Without Leakage Chemical Pump configuration for your plant.

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E-Mail: jinxin@jsrongsheng.com

Tel: +86-18762401797 / +86-13815980410