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 HRC Rubber Coupling – Product Features 

By RUBASIA RUBBERTECH INDUSTRIES – High-Performance Flexible Coupling for Industrial Power Transmission

The HRC Rubber Coupling is engineered to deliver smooth torque transmission, excellent vibration damping, and superior misalignment compensation for mechanical systems across Sabah, Sarawak, and Brunei. Designed for long-term industrial performance, the HRC coupling ensures efficient connection between electric motors and pumps, blowers, compressors, gearboxes, and conveyors.

+P KEY PRODUCT FEATURES (ULTRA DETAILED)

1. High-Elastic Natural Rubber (NR) or Nitrile Rubber (NBR) Element

• The heart of the coupling is its rubber spider insert, available in:
  • Natural Rubber (NR) for general industrial use
  • Nitrile Rubber (NBR) for oil, chemical, and grease resistance
• Offers high elasticity, enabling outstanding absorption of:
  • Shock loads
  • Vibration
  • Impact during machine start-up
  • Sudden torque fluctuations
• Provides stable, consistent torque transmission even under continuous 24/7 operations.

2. Taper Lock Bush & Pilot Bore Options

• HRC coupling hubs are compatible with:
  • Taper lock bush systems (1210, 1610, 2012, 2517, etc.)
  • Pilot bore hubs for custom machining
• Ensures simple installation and fast maintenance.
• Enables easy shaft mounting without complex alignment tools.

3. High-Strength Cast Iron Hubs

• Manufactured using FG220/FG250 high-grade cast iron.
• Precision-machined for perfect dimensional accuracy.
• Hubs undergo anti-corrosion surface protection to prevent rusting in tropical Borneo environments:
  • Humidity, rain, salt-air (Kota Kinabalu, Miri, Labuan, Bintulu coastlines)
• Ensures long mechanical lifespan and superior structural integrity.

4. Fail-Safe Coupling Design

The HRC design ensures that if the rubber element fails, the metal jaws will still keep the coupling connected, preventing sudden machine stoppage.

This is essential for:

• Water treatment plants
• Palm oil mills
• HVAC systems
• Manufacturing conveyors
• Fire pump systems

5. Excellent Misalignment Compensation

Engineered to accommodate:

• Angular misalignment
• Parallel misalignment
• End-float axial displacement

This prevents damage to:

• Pump shafts
• Motor bearings
• Gearbox seals

Helps extend equipment lifespan and reduce maintenance costs.

6. Smooth, Quiet, Vibration-Free Operation

• Reduces machine noise in sensitive environments like:
  • Hospitals (Kuching, Kota Kinabalu, Miri)
  • Hotels & malls (Gadong, KK Times Square)
  • Office buildings
• Dampens peak torque loads, ensuring smooth startup.

7. Quick Installation & Easy Maintenance

• 3-piece coupling design:
  1. Motor hub
  2. Pump/gearbox hub
  3. Rubber spider insert
• Allows insert replacement without removing the hubs.
• Ideal for maintenance teams in remote towns across Sabah & Sarawak:
  1. Tawau, Lahad Datu, Kapit, Limbang, Papar, Lawas, Semporna.

8. High Torque Transmission Efficiency

• Optimized tooth geometry ensures maximum contact surface.
• Transfers torque efficiently from motor to equipment with minimal slip.
• Suitable for:
  • Pumps
  • Fans
  • Blowers
  • Mixers
  • Compressors
  • Agitators
  • Conveyor systems

9. Designed for Borneo Tropical & Industrial Conditions

The HRC coupling performs reliably under:

• High humidity
• Coastal salt-air environments
• High vibration sites
• 24/7 industrial operation
• Abrasive or dusty industries (cement, quarry, timber, palm oil mills)

10. Wide Size Range (HRC 70 to HRC 280+)

RUBASIA RUBBERTECH INDUSTRIES provides the widest range of HRC coupling sizes to suit all shaft diameters and torque requirements for industries in:

• Sabah: Kota Kinabalu, Sandakan, Tawau, Lahad Datu, Keningau, Kudat, Ranau, Kota Belud, Tenom
• Sarawak: Kuching, Miri, Bintulu, Sibu, Mukah, Kapit, Sri Aman, Limbang
• Brunei: Bandar Seri Begawan, Tutong, Seria, Kuala Belait

 FEATURE BENEFITS BY INDUSTRY

Palm Oil Mills (Sandakan, Lahad Datu, Kunak, Miri, Bintulu)

• Dampens heavy machine vibration
• Prevents premature shaft or bearing failures
• Long-lasting rubber element for continuous operations

Water Treatment & Sewerage Plants (All major towns)

• Fail-proof design prevents shutdowns
• Resistant to chemical splashes and moisture

HVAC & Building Services (KK, Kuching, Miri, Brunei)

• Silent, smooth torque transmission
• Ideal for cooling towers, pumps, and blowers

Manufacturing & Processing Plants

• Handles torque fluctuations in conveyors, mixers & production equipment