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USK Belt Aircompressor

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The Belt Aircompressor from USK (BA 7500-300) is a heavy-duty, belt-driven air compressor system with a 300-litre tank capacity and a powerful 7500W (approx. 10 HP) motor, designed for continuous industrial and workshop applications. The belt-drive mechanism reduces vibration and heat transfer, ensuring quieter, more stable operation and extended motor and pump life. It delivers a maximum pressure of up to 10 bar (145 psi) with a high displacement output, making it capable of powering multiple high-consumption pneumatic tools such as impact wrenches, paint sprayers, and sanders. Its robust construction and durable cast-iron pump make it ideal for demanding environments in healthcare facility maintenance, construction sites, and engineering workshops. The efficient belt-driven system ensures reliable performance and is easier to maintain compared to direct-drive units
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Description

Table of Contents

USK Belt Aircompressor

PRIMARY USES

1. Heavy-Duty Compressed Air Supply for Continuous Industrial and Workshop Applications
 Primary Use: Provides a powerful and reliable supply of compressed air (maximum pressure up to 10-13 bar / 145-188 psi) through a belt-driven system, designed for continuous operation in workshops, industrial settings, and large-scale maintenance tasks. The belt drive system reduces motor vibration and heat transfer, ensuring quieter and more stable performance compared to direct-drive units, making it ideal for the demanding environments of hospital engineering departments and construction sites.
 How it helps: For the hospital maintenance team and clinical engineer, the belt-driven system offers significant advantages for heavy-duty, continuous-use applications. The belt drive transfers power more efficiently to the pump, prolonging the motor’s lifespan and reducing maintenance frequency. With its large tank capacity (typically 200-500 litres for industrial units) and high output (up to 15-20 CFM), the compressor can power multiple pneumatic tools simultaneously, such as impact wrenches, spray guns, and sanders, without significant pressure drop. The robust construction and industrial-grade motor (often 5.5-7.5 HP) ensure reliable performance even under prolonged, heavy loads, supporting critical workshop operations in healthcare facilities.
2. Supporting High-Volume Workshop Operations and Construction Projects
 Primary Use: Capable of running high-consumption pneumatic tools essential for heavy equipment repair, spray painting, sandblasting, and construction tasks, making it indispensable for comprehensive facility maintenance and large-scale renovation projects.
 How it helps: For the facilities manager and project coordinator, the belt compressor’s high air delivery rate and duty cycle enable efficient operation of tools like sandblasters, paint sprayers, and impact wrenches, which are critical for refurbishing medical equipment, maintaining infrastructure, and completing renovation projects on schedule. The belt drive system also ensures lower maintenance costs and easier servicing, as the belt is replaceable without needing to replace the motor or pump, contributing to long-term cost-effectiveness for the healthcare facility.

SECONDARY USES

1. Powering Pneumatic Tools in Construction and Renovation: Ideal for running heavy-duty pneumatic tools such as jackhammers, impact wrenches, sanders, and paint sprayers during large-scale construction, renovation, and maintenance projects.
2. Stationary Workshop Air Supply: Can be installed as a permanent, centralised air supply for a workshop, with hard-piped distribution lines to multiple workstations, eliminating the need for multiple portable compressors.
3. Automotive and Fleet Maintenance: Essential for garages and vehicle maintenance facilities to power tyre inflators, impact wrenches, and spray painting equipment for fleet vehicles and emergency response vehicles.
4. Sandblasting and Surface Preparation: The high air delivery and large tank capacity make it suitable for sandblasting tasks to prepare surfaces for repainting or refurbishment of metal structures and equipment.
About brand
USK is a trusted manufacturer and supplier of excavator spare parts and heavy machinery components, offering reliable replacement parts designed to support the maintenance, performance, and durability of construction and earthmoving equipment.
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Device Type: Stationary/industrial belt-driven air compressor; not a medical device
  • Designation: USK Belt Aircompressor BA 7500-300
  • Motor Power: 7500W (approx. 10 HP)
  • Tank Capacity: 300 litres (approx. 79 gallons)
  • Maximum Pressure: 10-13 bar (145-188 psi)
  • Air Displacement/Free Air Delivery: Varies by model; typically 15-25 CFM (approx. 425-700 L/min)
  • Power Supply: 380-415V, 3-phase (industrial three-phase power, typical for large industrial compressors)
  • Drive System: Belt-driven
  • Pump Type: Cast-iron, oil-lubricated, two-cylinder or multi-cylinder design
  • Country of Origin: Typically China (depending on manufacturer)
  • Manufacturer: USK

2. TECHNICAL & PERFORMANCE PROPERTIES

  • Primary Action: Compresses atmospheric air using a reciprocating piston pump driven by an electric motor via a belt system
  • Drive System: Belt-driven, reducing motor vibration and heat transfer to the pump for quieter operation and longer motor life
  • Lubrication: Oil-lubricated pump for high output, continuous use, and durability
  • Cooling: Air-cooled system with integrated cooling fins; some models may feature additional fans
  • Safety Features: Automatic pressure switch (starts/stops motor at preset pressures), safety relief valve, tank drain valve
  • Control System: Full-pressure control with unloader valve for smooth motor start-up
  • Industrial Grade: Designed for heavy-duty, continuous operation
  • Mounting: Typically mounted on a sturdy base frame; may require anchoring for stability

3. PHYSICAL & OPERATIONAL PROPERTIES

  • Preparation: Check the oil level in the pump. Ensure the air filter is clean. Connect the power supply to a suitable three-phase outlet. Open the tank drain valve to release any condensation.
  • Usage Instructions: Turn on the compressor and allow the tank to fill to the cut-out pressure. Attach the required pneumatic tool or inflator. Use the pressure regulator to adjust the output pressure for the specific task. Drain moisture from the tank regularly (daily or after each use).
  • Storage Conditions: Store in a clean, dry, well-ventilated area. Protect the motor and electrical components from dust and moisture. Drain the air tank completely if storing for extended periods.
  • Ventilation: Ensure adequate ventilation around the compressor for motor cooling and heat dissipation.
  • Precautions: Always wear safety goggles and hearing protection when operating pneumatic tools. Never exceed the maximum working pressure of tools or hoses. Ensure the compressor is properly earthed.

4. SAFETY & COMPLIANCE ATTRIBUTES

  • Safety Classification: High-pressure industrial equipment; risk of bursting, flying debris, noise, and electric shock.
  • Pressurised Vessel: The air receiver is a pressurised vessel. Do not modify or weld. Drain moisture daily to prevent rust and potential failure.
  • Eye and Hearing Protection: Mandatory when operating the compressor and pneumatic tools.
  • Electrical Safety: Requires professional installation by a qualified electrician. Ensure proper three-phase power supply and earthing. Use appropriate circuit breakers and isolators. Do not use in wet conditions.
  • Fire Hazard: Keep away from flammable liquids and gases. The motor may overheat if ventilation is blocked.
  • Regular Maintenance: Change the compressor oil per the manufacturer's schedule. Clean or replace the air filter regularly. Inspect and replace the drive belt as needed. Check all fasteners for tightness.
  • Regulatory: Complies with applicable safety standards for industrial equipment.
SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

  • Pressurised Vessel: Never exceed the maximum working pressure of the air receiver (tank). Do not weld, drill, or modify the tank. Drain the moisture from the tank daily to prevent internal corrosion, which can lead to tank rupture.
  • Eye and Face Protection: Always wear safety goggles and a face shield when using pneumatic tools or blowing air. Flying debris can cause serious eye injury.
  • Hearing Protection: Compressors and pneumatic tools generate high noise levels. Use appropriate hearing protection.
  • Air Hose Safety: Use hoses and fittings rated for the working pressure. Never exceed the rated pressure of hoses. Avoid using hoses near sharp edges or heat sources.
  • Electrical Safety: This is an industrial three-phase unit. Installation must be performed by a qualified electrician. Ensure the compressor is properly earthed. Isolate the power supply before performing any maintenance.
  • Maintenance: Unplug the compressor (isolate the power) before performing any maintenance or cleaning. Check the oil level regularly. Keep the air filter clean. Inspect the drive belt for wear and tension.
  • Keep out of reach of children: Store in a secure location, away from unauthorised access.

2. FIRST AID MEASURES

  • Eye Injury (debris): Do not rub. Rinse immediately with plenty of clean, lukewarm water for at least 15 minutes. Seek medical attention.
  • Hearing Damage: If hearing loss or tinnitus is suspected, seek medical advice.
  • Burst Injury: In case of a burst hose or air line, treat the injury as a trauma. Apply direct pressure to stop bleeding. Seek immediate medical attention.
  • Electric Shock: Turn off the power supply immediately. If the person is not breathing, begin CPR and call emergency services. Do not touch the person until the power supply has been disconnected.

3. FIRE FIGHTING MEASURES

  • Flammability: The compressor is not flammable, but the motor and electrical components can be a source of ignition. The compressor oil is combustible.
  • Extinguishing Media: Use dry chemical powder, carbon dioxide (CO₂), or foam for fires involving the compressor. Use water spray for cooling surrounding materials.
  • Fire Response: In the event of a fire, evacuate the area and call emergency services. Isolate the power supply if safe.

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