Explosion Proof Stirrer Drive

Explosion Proof Stirrer Drive

Explosion Proof Stirrer Drives are advanced agitation drive systems specifically engineered for Zone-classified hazardous areas where the presence of explosive gases, vapours, or dust is continuous or highly probable. These drives are designed so that any internal ignition is fully contained, eliminating the risk of ignition of the surrounding atmosphere.

They are ideal for glass reactors, agitated vessels, and process equipment operating in chemical, pharmaceutical, petrochemical, and fine chemical plants requiring the highest level of operational safety.

Construction & Engineering Design

• Certified explosion-proof motor enclosure
• Heavy-duty gearbox for sustained high-torque output
• Precision-balanced output shaft for smooth rotation
• Flamepath-machined joints to prevent flame transmission
• Reinforced terminal box with explosion-proof cable glands
• Rigid mounting flange for accurate alignment with stirrer assemblies

Key Features & Advantages

• Certified explosion-proof construction
• Suitable for Zone-1 & Zone-2 areas
• High torque at controlled RPM
• Reliable continuous operation
• Minimal vibration and noise
• Compatible with corrosive and solvent-rich processes
• Long operational life with minimal maintenance

Operational Performance

• Variable speed operation using VFD
• Smooth acceleration and deceleration
• Excellent speed stability under load
• Effective mixing for low to high viscosity media

Technical Specifications

Parameter	Specification
Drive Type	Explosion proof motor with gearbox
Area Classification	Zone 1 / Zone 2
Gas Group	IIA / IIB / IIC (as specified)
Temperature Class	T1 to T4 (project specific)
Speed Range	5 – 300 RPM (VFD controlled)
Power Rating	0.25 HP to 7.5 HP
Torque Output	High torque, low-speed operation
Mounting Type	Vertical, top-mounted
Enclosure Protection	IP55 / IP65
Housing Material	Cast aluminium / Cast iron / SS 304 / SS 316
Speed Control	VFD compatible
Seal Compatibility	Mechanical seal / Bellow seal
Duty Rating	Continuous duty (S1)

Safety & Certification

• Designed for hazardous area compliance
• Suitable for flammable solvents, gases, and vapours
• Explosion containment design
• No external spark or hot surface exposure
• Certification can be supplied as per project requirement

System Compatibility

• Glass-lined and borosilicate glass reactors
• SS / PTFE-lined stirring assemblies
• Propeller, turbine, anchor, and paddle stirrers
• Mechanical seal and bellow seal systems
• Reactor volumes from laboratory to industrial scale

Typical Applications

• Solvent-based chemical reactions
• Pharmaceutical API synthesis
• Petrochemical pilot plants
• Resin, polymer, and adhesive manufacturing
• Fine chemical and specialty chemical processing

Selection Parameters

Proper selection depends on:

• Zone classification
• Gas group and temperature class
• Reactor volume and geometry
• Process viscosity
• Required RPM and torque
• Seal type and shaft length

Optional Accessories

• Explosion-proof VFD panel
• Digital RPM & torque display
• Remote control station
• Anti-vibration base mounts
• SS mounting frame