4kW Side-Channel Blower – Model GHBH 5D5 36 1R7
Brand Chemical Supplies provides the Goorui GHBH 5D5 36 1R7, a high-performance single-stage (1R) side-channel blower designed for industrial applications requiring consistent airflow and moderate pressure or vacuum. As a “ring blower,” this unit is engineered for 24/7 continuous operation, offering a oil-free, low-maintenance solution for air agitation, pneumatic transport, and vacuum lifting.
Technical Specifications
| Feature | Specification |
| Model | GHBH 5D5 36 1R7 (Single Stage) |
| Motor Power | $4.0 kW$ |
| Power Supply | $380V \sim 415V$ (Three Phase) |
| Frequency | $50/60 Hz$ (Dual Frequency) |
| Max Airflow | $318 m^3/hr$ |
| Max Pressure | $+270 mbar$ |
| Max Vacuum | $-260 mbar$ |
| Sound Level | $69 dB(A)$ |
| Weight | $\approx 42 kg$ |
Key Features & Benefits
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Single Stage Efficiency (1R): The single-impeller design is optimized for high-volume airflow. It is the ideal choice for applications where the required pressure is below $270 mbar$, providing maximum energy efficiency.
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Oil-Free Operation: Because there is no contact between the rotating impeller and the housing, no lubrication is required in the pumping chamber. This ensures the discharged air is $100\%$ free of oil contaminants—critical for aquaculture and food processing.
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Dual Frequency Motor: The IP54-rated, Class F insulated motor is designed to operate seamlessly on both $50Hz$ and $60Hz$ power grids, offering a wide voltage tolerance for stable performance across South African power conditions.
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Whisper-Quiet Design: Integrated inlet and outlet silencers significantly reduce high-frequency noise, making it suitable for indoor installations.
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Minimal Maintenance: With only one moving part (the impeller) and permanently lubricated bearings, the GHBH series requires virtually no maintenance beyond periodic filter checks.
Primary Applications
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Aquaculture Aeration: Driving large arrays of micropore diffuser hoses in tilapia or trout dams.
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Industrial Vacuum: Used for vacuum tables in CNC routing, vacuum packaging, and pick-and-place automation.
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Pneumatic Conveying: Moving plastic pellets, grains, or dry powders through piping systems.
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Water Treatment: Aeration of sewage tanks and industrial effluent processing.
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Printing & Paper: Paper feeding and drying in high-speed commercial printing presses.
Installation Recommendations
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Filtration: To protect the precision-machined impeller, we strongly recommend installing an inlet air filter to prevent dust and debris from entering the blower.
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Pressure Relief: Install a pressure/vacuum relief valve to prevent motor overload in the event of a line blockage.
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Altitude Correction: Note that at high altitudes (e.g., Johannesburg, $1750m$), the effective air density is lower; contact our team to confirm if this $4kW$ unit meets your specific flow requirements at your site elevation.
Contact our fluid dynamics team today to secure your 4kW GHBH 5D5 36 1R7 blower or for technical assistance with system sizing.
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