
Chemical & Petrochemical
Shivam Engineering & Fabrication supplies corrosion-resistant centrifugal blowers, high pressure blowers and fume extraction systems for Chemical and Petrochemicalindustries handling acids, solvents, and hazardous gases.

Perfect Solutions for
Chemical Industry
Need Corrosion Resistant Blowers for Chemical Plant?
Custom engineered solutions with special material of construction for safe and reliable operation.
Impeller for Chemical Industry
High-performance, corrosion-resistant impellers engineered specifically for chemical processing plants – for centrifugal blowers, pumps, mixers, agitators, and compressors.
When chemical manufacturers across India need high-quality, corrosion-resistant impellers for their critical process equipment, they turn to Shivam Engineering & Fabrication. As a leading impeller manufacturer for the chemical industry, we have supplied thousands of impellers to chemical plants, petrochemical complexes, and specialty chemical manufacturers across the country. Our impellers are engineered for durability, corrosion resistance, and precision balancing – perfectly suited for the aggressive environments of chemical manufacturing.
Why Chemical Plants Need Specialized Corrosion-Resistant Impellers
The chemical industry involves processing highly corrosive materials, including acids (HCl, H₂SO₄, HNO₃, HF), alkalis (NaOH, KOH), chlorides, solvents, and organic compounds. Standard impellers fail quickly in such environments. Our specially designed impellers feature:
- Corrosion-Resistant Materials – SS304, SS316, Duplex, Super Duplex, and Hastelloy for maximum chemical resistance.
- Precision Dynamic Balancing – ISO 1940 G-6.3 to G-2.5 grade for smooth operation.
- Aerodynamic/Aerofoil Design – For high efficiency in centrifugal blowers and fans handling corrosive gases.
- Hydrodynamic Design – For optimal performance in chemical pumps and mixers.
- Wide Range of Types – Backward curved, radial tip, forward curved, closed, semi-open, open, turbine, propeller, hydrofoil, anchor, helical.
- Full Material Traceability – Material certifications (Mill Test Certificates) with every impeller.
- Custom Manufacturing – Any size, any material, any design to match OEM specifications.
Types of Impellers We Manufacture for Chemical Industry
For Centrifugal Blowers & Fans
- Backward Curved Impeller – High efficiency, non-overloading. Ideal for fume extraction, ventilation, and drying applications.
- Radial Tip Impeller – For abrasive dust applications (catalyst dust, chemical powders). Wear-resistant construction.
- Forward Curved Impeller – High volume at low pressure. Ideal for general ventilation.
- Airfoil Impeller – Highest efficiency for clean air applications in drying and pneumatic conveying.
- Bifurcated Blower Impeller – For handling corrosive gases with motor isolated from gas stream.
For Chemical Pumps
- Closed Impeller – High efficiency, ideal for clean chemical liquids. Available in SS304, SS316, Duplex, Hastelloy.
- Semi-Open Impeller – For liquids with some solids. Easy to clean – ideal for batch chemical processes.
- Open Impeller – For slurries, viscous liquids, and polymerization applications.
- Vortex Impeller – For handling stringy materials and solids without clogging.
For Chemical Reactors & Mixers
- Turbine Impeller (Rushton) – Radial flow for gas dispersion and solids suspension in chemical reactors.
- Pitched Blade Turbine – Mixed flow for general chemical mixing and reactions.
- Propeller Impeller – Axial flow for high circulation and blending.
- Hydrofoil Impeller – High efficiency, low shear for large volume chemical mixing.
- Anchor Impeller – For high viscosity chemical mixing and scraping.
- Helical Impeller – For laminar flow mixing of highly viscous chemicals.
Material Selection Guide for Chemical Environments
| Chemical Environment | Recommended Material | Key Properties |
|---|---|---|
| Mild acids, organic compounds, water treatment | SS304 | Good general corrosion resistance |
| Chlorides, sulfuric acid, hydrochloric acid (dilute) | SS316 / SS316L | Excellent pitting and crevice corrosion resistance |
| High chlorides, seawater, sour gas, acids | Duplex 2205 | High strength, excellent chloride resistance |
| Extreme chlorides, high temperature acids | Super Duplex 2507 | Maximum pitting resistance, high strength |
| Hydrochloric acid, sulfuric acid, wet chlorine | Hastelloy C276 | Superior corrosion resistance in reducing environments |
| Oxidizing acids (nitric acid), hot acids | Hastelloy C22 | Excellent resistance to both oxidizing and reducing acids |
| Spark-resistant applications (flammable solvents) | Cast Aluminum | Lightweight, spark-resistant, good corrosion resistance |
Blower Impeller Types Comparison
| Impeller Type | Efficiency | Pressure Capability | Best Chemical Application |
|---|---|---|---|
| Backward Curved | High (80-85%) | Medium-High | Fume extraction, drying, ventilation |
| Radial Tip | Medium (70-75%) | Medium | Abrasive chemical dust, catalyst handling |
| Forward Curved | Medium (65-70%) | Low | High volume ventilation |
| Airfoil | Highest (85-90%) | Medium-High | Energy-critical applications, clean air |
Chemical Mixer & Agitator Impeller Selection Guide
| Application | Recommended Impeller | Flow Pattern | Typical Material |
|---|---|---|---|
| Liquid blending (low viscosity) | Propeller (3-blade) | Axial | SS304/SS316 |
| Gas dispersion (reactors) | Rushton Turbine | Radial | SS316/Duplex/Hastelloy |
| Solid suspension / mixing | Pitched Blade Turbine | Mixed | SS316/Duplex |
| High efficiency mixing | Hydrofoil | Axial | SS304/SS316 |
| High viscosity (pastes, polymers) | Anchor / Helical | Radial (scraping) | SS316/Duplex |
| Corrosive chemical reaction | Pitched Blade Turbine | Mixed | Hastelloy/Duplex |
Hastelloy Impellers for Extreme Chemical Environments
For the most aggressive chemical environments involving strong acids, chlorides, and oxidizing agents, Shivam Engineering & Fabrication offers Hastelloy impellers:
- Hastelloy C276 – Exceptional resistance to pitting, stress corrosion cracking, and oxidizing/reducing environments. Ideal for hydrochloric acid, sulfuric acid, and wet chlorine applications.
- Hastelloy C22 – Superior resistance to both oxidizing and reducing acids. Excellent for mixed acid streams and high-temperature applications.
- Hastelloy B3 – Outstanding resistance to hydrochloric acid at all concentrations and temperatures.
- Applications: Chemical reactors, acid handling pumps, fume extraction blowers, pharmaceutical intermediate processing.
Dynamic Balancing – Quality Assurance
Every impeller manufactured by Shivam Engineering & Fabrication undergoes precision dynamic balancing on modern balancing machines:
- ISO 1940 G-6.3 Grade – Standard for most chemical plant blowers, fans, and pumps.
- ISO 1940 G-4.0 Grade – For high-speed chemical compressor impellers and precision equipment.
- ISO 1940 G-2.5 Grade – For critical high-speed applications (centrifugal compressors, turbo blowers).
- Balancing Report – Provided with every impeller showing initial and residual unbalance.
- Overspeed Testing – Available for high-speed chemical compressor impellers.
Technical Specifications
- Diameter Range: 100 mm to 2,500+ mm (4" to 100"+), depending on type
- Material Thickness: 1.6 mm to 25+ mm depending on size and application
- Blade Types: Backward curved, radial tip, forward curved, airfoil, Rushton turbine, pitched blade, hydrofoil, anchor, helical
- Hub Types: Taper lock, keyed shaft, flanged, splined, custom bore
- Materials: SS304, SS316/SS316L, Duplex 2205, Super Duplex 2507, Hastelloy C276/C22/B3, Cast Aluminum, MS with epoxy coating
- Balancing Grade: ISO 1940 G-6.3 (standard), G-4.0, G-2.5 (on request)
- Surface Finish: Mill finish, electropolished (for pharmaceutical applications), coated (for additional corrosion protection)
- Manufacturing Process: CNC laser cutting, precision forming, robotic/TIG welding, 5-axis CNC machining
- Quality Control: 100% dimensional inspection, weld inspection (dye penetrant/X-ray), balancing, material certification (MTC)
Quality Assurance & Testing
Every impeller manufactured by Shivam Engineering & Fabrication undergoes:
- Dimensional inspection as per design drawing (CMM or traditional methods)
- Weld quality inspection (dye penetrant test for SS/Hastelloy impellers; X-ray for critical applications)
- Dynamic balancing (ISO 1940 G-6.3 grade minimum)
- Overspeed test (for high-speed impellers on request)
- Material certification (Mill Test Certificate) for SS304/SS316/Duplex/Hastelloy
- Surface finish inspection (where required for pharmaceutical applications)
- Balancing report provided with each impeller
- Positive Material Identification (PMI) testing available on request
Benefits of Our Impellers for Chemical Industry
- Superior Corrosion Resistance: SS316, Duplex, and Hastelloy materials for aggressive chemical environments.
- High Efficiency: Aerodynamically optimized blade profiles for maximum efficiency and energy savings.
- Precision Balancing: Smooth operation, reduced bearing wear, longer equipment life, lower vibration.
- Full Traceability: Complete material certifications and balancing reports provided.
- Custom Design: Any size, any material, any blade configuration to match your chemical process requirements.
- OEM Replacement: Exact duplicates of original equipment impellers for all major chemical pump/blower brands.
- Quick Turnaround: Fast manufacturing for replacement impellers to minimize chemical plant downtime.
Serving Chemical Plants Across India
Shivam Engineering & Fabrication supplies impellers to chemical manufacturers, petrochemical plants, and specialty chemical processors in:
- Gujarat: Ankleshwar GIDC (Asia's largest chemical estate), Vapi GIDC, Vadodara (Nandesari, Savli), Ahmedabad (Vatva, Naroda), Surat (Sachin, Pandesara), Dahej PCPIR, Bharuch
- Maharashtra: Mumbai (Taloja, Rabale, Mahape), Pune (Pimpri-Chinchwad), Nashik, Nagpur, Aurangabad
- Telangana: Hyderabad (Jeedimetla, Patancheru, Gaddapotharam), Sangareddy
- Uttar Pradesh: Noida, Ghaziabad, Kanpur
- Tamil Nadu: Chennai, Thoothukudi (Tuticorin), Ranipet, Cuddalore
- Rajasthan: Jaipur, Udaipur, Bhiwadi
- West Bengal: Kolkata, Haldia
- Andhra Pradesh: Visakhapatnam, Kakinada
- And all major chemical manufacturing hubs across India
Frequently Asked Questions – Impeller for Chemical Industry
1. What is the best impeller material for handling sulfuric acid (H₂SO₄)?
For sulfuric acid handling, material selection depends on concentration and temperature. For dilute H₂SO₄ (up to 50%) at ambient temperature, SS316L is suitable. For concentrated H₂SO₄ (93-98%) or elevated temperatures, we recommend Duplex 2205 or Hastelloy C276. Our team can provide specific recommendations based on your process conditions.
2. Can you manufacture impellers for high-speed chemical centrifugal compressors?
Yes. We manufacture high-speed impellers for chemical centrifugal compressors with precision machining, ISO 1940 G-2.5 balancing, overspeed testing, and full material certification. Materials include SS316, Duplex, and Hastelloy depending on gas composition.
3. Do you provide replacement impellers for imported chemical pumps and blowers?
Absolutely. Shivam Engineering & Fabrication manufactures exact replacement impellers for all major OEM brands (KSB, Grundfos, Flowserve, Howden, Siemens, etc.) We can work from samples, drawings, or 3D scans to ensure perfect fit and performance.
4. What is the typical delivery time for a Hastelloy impeller?
Standard Hastelloy impellers (up to 500mm diameter): 15-20 days. Larger Hastelloy impellers and complex designs: 25-30 days. Rush orders can be accommodated with additional charges.
5. How can I get a quote for an impeller for my chemical plant?
Call Mr. Nitin Panchal at +91-90168 77642 or email shivamenggfabricators@gmail.com. Provide impeller type (blower/pump/mixer/compressor), diameter, material requirements, chemical exposure (acid/alkali/solvent), and any available drawings – we'll respond within 24 hours.
Get Your Impeller from a Trusted Manufacturer
As one of the leading impeller manufacturers for the chemical industry, Shivam Engineering & Fabrication provides:
- Free technical consultation and impeller selection assistance
- Custom designs for centrifugal blowers, pumps, mixers, agitators, and compressors
- Corrosion-resistant SS304, SS316, Duplex, Super Duplex, and Hastelloy options
- Precision dynamic balancing with balancing reports (G-6.3 to G-2.5)
- OEM replacement impellers for all major chemical equipment brands
- Aerodynamically optimized blade designs for maximum efficiency
- Full material traceability with Mill Test Certificates (MTC)
- Positive Material Identification (PMI) testing available
- Overspeed testing for high-speed compressor impellers
- Competitive lead times and pan-India delivery
- After‑sales support and technical assistance
Contact Mr. Nitin Panchal at +91-90168 77642 or email shivamenggfabricators@gmail.com. Let Shivam Engineering & Fabrication manufacture the perfect impeller for your chemical processing equipment.
* All specifications and performance data are based on standard operating conditions. Custom requirements are engineered per client process parameters.

