Description

1. General Description

The HKA Series Smoke Exhaust and Supply Blower is a high-performance centrifugal fan designed to extract hot smoke, fumes, and contaminated air in emergency or industrial ventilation systems.
It is ideal for car parks, commercial kitchens, factories, paint booths, and industrial halls, where reliable air movement under high temperature or heavy-duty operation is required.

The unit ensures high efficiency, stable performance, and low vibration while operating safely even at elevated temperatures.

2. Construction

Component Specification
Casing / Housing Heavy-duty rolled steel plate or galvanized steel, continuously welded for rigidity and coated with heat-resistant paint.
Impeller (Fan Wheel) Backward-curved or radial blades, made of steel or aluminum alloy, dynamically and statically balanced.
Drive Type Direct drive or belt drive available depending on model.
Motor Mount Adjustable motor base for proper alignment and belt tension (belt-driven models).
Bearings Heavy-duty ball bearings, high-temperature resistant, and permanently lubricated.
Base Frame Welded steel base with vibration isolators.
Inlet / Outlet Circular or rectangular flanged connections for duct installation.

3. Motor Specifications

Parameter Details
Motor Type Totally Enclosed Fan Cooled (TEFC) or Smoke Extract Rated Motor
Power Range 1.5 – 30 kW (depending on size and application)
Voltage / Frequency 380V , 50Hz, Three-phase
Insulation Class Class F or H
Protection Class IP55
Speed Range 3000 RPM
Temperature Resistance Up to 300°C for 2 hours, 400°C for 1 hour (optional fire-rated version)

4. Performance Data

Parameter Value
Airflow Capacity 2500 m³/h
Static Pressure 300 – 1200 Pa
Efficiency Up to 85%
Noise Level ≤ 78 dB(A) @ 1m
Operating Temperature Up to 120°C continuous duty (300–400°C short-time duty)

5. Dimensions (Typical Sizes)

Model A (mm) B (mm) C (mm) D (mm) Weight (kg)
HKA 315 700 500 450 350 45
HKA 450 850 650 600 450 70
HKA 630 1050 850 750 600 110
HKA 800 1250 1000 900 700 180
HKA 1000 1450 1200 1100 900 250

6. Operating Conditions

  • Ambient temperature: up to 80°C (continuous)

  • Smoke extraction duty: up to 300°C/2h, 400°C/1h

  • Relative humidity: ≤95% (non-condensing)

  • Air medium: clean or slightly dusty air, free of corrosive gases

  • Mounting: horizontal or vertical position available


7. Optional Features

  • Explosion-proof (Ex) motors

  • Sound insulation housing

  • Variable Frequency Drive (VFD) for speed control

  • Stainless steel or epoxy-coated casing

  • Anti-vibration mounting

  • Temperature sensor & automatic smoke control panel



8. Summary

✅ Heavy-duty design for smoke extraction & fresh air supply
✅ Fire-rated operation up to 400°C
✅ High efficiency and stable performance
✅ Low vibration and noise levels
✅ Suitable for industrial and emergency ventilation systems


Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “HKA 250 CENTRIFUGAL (C-2081)”

Your email address will not be published. Required fields are marked *

Shipping & Delivery

MAECENAS IACULIS

Vestibulum curae torquent diam diam commodo parturient penatibus nunc dui adipiscing convallis bulum parturient suspendisse parturient a.Parturient in parturient scelerisque nibh lectus quam a natoque adipiscing a vestibulum hendrerit et pharetra fames nunc natoque dui.

ADIPISCING CONVALLIS BULUM

  • Vestibulum penatibus nunc dui adipiscing convallis bulum parturient suspendisse.
  • Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
  • Diam parturient dictumst parturient scelerisque nibh lectus.

Scelerisque adipiscing bibendum sem vestibulum et in a a a purus lectus faucibus lobortis tincidunt purus lectus nisl class eros.Condimentum a et ullamcorper dictumst mus et tristique elementum nam inceptos hac parturient scelerisque vestibulum amet elit ut volutpat.