Chemtech Polyplast designs and manufactures flameproof (Ex) motor agitators engineered for hazardous areas in chemical, paint, pharma, and solvent-handling plants. Built around robust top/side-entry mixers with Ex d motors, spark-safe couplings, sealed junction boxes, and earthing, our systems are specified to Zone 1/Zone 2 duties in line with IS/IEC 60079. With SS304/316L, FRP, or PP/HDPE-lined wetted parts and VFD-ready drives, we deliver reliable mixing performance, low vibration, and long service life.
Working Principle & Safety Architecture
Torque from the prime mover is transmitted through a rigid shaft to an engineered impeller that creates controlled axial/radial flow for blending, suspension, and heat/mass transfer. For hazardous locations, the motor and electrical interfaces are flameproof—hot spots and arcs remain contained within certified enclosures, while mechanical seals and glandings prevent vapor ingress. Baffles suppress vortexing, reducing power draw and ensuring uniform mixing. Options include Ex d IIA/IIB/IIC motors, temperature class T3/T4, IP55–IP66 protection, and safe-area VFDs with Ex junctions or purged cabinets.
Applications — Flameproof Agitators
- Solvent-based paint, resin, and ink mixing.
- Ethanol, IPA, acetone blending in distilleries and pharma.
- Hydrocarbon slurries and additive dispersion.
- Neutralization/pH control in explosive atmospheres.
- Storage tank circulation to prevent stratification.
Industries — Served
- Chemicals & petrochemicals.
- Paints, coatings & inks.
- Pharmaceuticals & biotech.
- Oil & gas terminals and refineries.
- Distilleries & specialty solvents.
Key Features — Flameproof Motor Agitators
- Ex d certified motors (IIA/IIB/IIC) with T3/T4 classes as specified.
- Sealed cable entries, Ex junction boxes, dual earthing lugs.
- Top/side entry with rigid shafting and precision-balanced impellers.
- Materials: SS304/316L, FRP, PP/HDPE-lined for corrosion resistance.
- Safe-area or Ex-rated controls; VFD integration via Ex interfaces.
Why Chemtech Polyplast for Flameproof Agitators?
Chemtech Polyplast delivers application-engineered Ex agitators sized to your fluid properties, tank geometry, and hazard classification. From API-grade clean services to solvent-rich reactors, we provide documentation packs, QAPs, and factory testing to verify power draw, vibration, and sealing integrity—backed by pan-India service and quick spares support.
Maintenance & Safety Tips — Hazardous Areas
- Verify area classification (Zone, Gas Group, Temp Class) before installation.
- Check earthing continuity; inspect Ex glands and flamepaths regularly.
- Maintain liquid level above impeller; avoid dry running.
- Keep seals lubricated; monitor vibration, current, and bearing temps.
- Follow LOTO; only trained personnel should open Ex enclosures.
FAQs — Flameproof Motor Agitators
1. Which certifications are available for the flameproof motor?
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Options include Ex d motors for Gas Groups IIA/IIB/IIC with temperature classes T3/T4, as per project specifications and applicable standards (e.g., IS/IEC 60079).
2. Can I use a VFD with a flameproof agitator?
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Yes. VFDs are typically mounted in a safe area or in certified enclosures, with Ex-rated junction boxes and proper shielding/earthing on motor leads.
3. How do I specify the correct Ex rating?
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Provide zone classification (1/2), gas group (IIA/IIB/IIC), temperature class (T3/T4), ambient conditions, and duty (continuous/intermittent) along with fluid properties and tank data.
4. What impeller types are recommended for solvents?
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Axial-flow hydrofoils for blending and heat transfer; pitched blades or radial turbines where higher shear or dispersion is required—selected after process review.
5. Do you offer documentation and testing?
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We can supply GA drawings, QAP/ITP, MTCs, balance reports, and performance checks (current, vibration). Witness tests are available upon request.
