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Welcome to Hebei Speed Torque Transmission Technology Co., Ltd. As a leading manufacturer established in 2017, we specialize in power transmission components and have been serving global clients with high-quality couplings. Our Split Tyre Coupling for Air Compressors with Flexible Shaft Connection is engineered to deliver superior vibration dampening, torque transmission, and misalignment compensation in demanding air compressor applications. With a 3,000–5,000 m² factory and an annual export value of US$5–10 million, we ensure reliable products backed by ISO 9001 certification.
This coupling features a split tyre element that can be replaced without moving the hubs, reducing maintenance downtime significantly. The flexible shaft connection allows for smooth power transfer while protecting the compressor and motor from shock loads and misalignment. Whether you need standard or customized bore sizes, our coupling provides a cost-effective solution for efficient air compression systems.
Key Features & Benefits:
Split Tyre Design: Easy and quick replacement of the elastomeric element – no need to disassemble the hubs or realign shafts. Downtime reduced by up to 50% compared to conventional couplings.
High Flexibility: The tyre-shaped rubber element absorbs torsional vibrations, reduces noise, and compensates for angular, parallel, and axial misalignment. Protects the air compressor and motor bearings.
Durable Elastomeric Material: Available in natural rubber, NBR (oil-resistant), or polyurethane. Resistant to oil, heat, and aging, ensuring long service life even in harsh environments.
Interchangeable Sizes: Conforms to common industry standards for easy replacement of competitor products. Wide range of bore diameters from 19 mm to 80 mm, with keyway or spline options.
Torque Capacity: Reliable power transmission with maximum torque up to 2500 Nm, suitable for small to medium air compressors. Flexible element acts as a fuse to protect machinery under overload.
Zero Backlash: The elastomeric compression design ensures no backlash, maintaining precise shaft positioning required in air compressor applications.
Easy Installation: Pre-assembled with split hubs and fasteners; simple bolt-on design. Alignment visible through the split gap for quick setup.
Technical Specifications (Typical Range):
| Model | Bore Range (mm) | Rated Torque (Nm) | Max Speed (rpm) | Misalignment Capacity |
| STC-110 | 19–32 | 110 | 6000 | Ang. 1°, Par. 0.4 mm |
| STC-200 | 25–45 | 200 | 5000 | Ang. 1°, Par. 0.5 mm |
| STC-400 | 35–65 | 400 | 4000 | Ang. 1°, Par. 0.5 mm |
| STC-800 | 45–80 | 800 | 3500 | Ang. 1°, Par. 0.6 mm |
| STC-1500 | 55–80 | 1500 | 3000 | Ang. 1°, Par. 0.6 mm |
Our split tyre couplings are produced under strict quality control in our 3,000–5,000 m² facility. We employ 101–200 dedicated professionals and use advanced CNC machining and rubber molding equipment. Every coupling is tested for torque, hardness, and balance before shipment. With main markets spanning North America, South America, Europe, Asia, Africa, and Oceania, we have proven our reliability across diverse industries.
Choosing our flexible shaft connection coupling means lower maintenance costs, extended equipment life, and improved energy efficiency. The split tyre element can be replaced in minutes without disturbing the shafts. We offer customized bore sizes, keyways, and elastomer materials upon request. Backed by our ISO 9001 quality management system, we ensure consistent performance and fast lead times.
Trust Hebei Speed Torque Transmission Technology Co., Ltd. for your air compressor coupling needs. Contact us today for a quote or technical support. Enjoy flexible shipping from Port of Shanghai, Tianjin, or Qingdao, with competitive pricing and reliable after-sales service.
Frequently Asked Questions (FAQ):
Q: What is the main advantage of a split tyre coupling over other flexible couplings?
A: The split design allows element replacement without moving the hubs, reducing maintenance downtime to minutes. It also provides excellent vibration dampening and misalignment compensation.Q: Which elastomer material is recommended for air compressor applications?
A: For standard air compressors, natural rubber offers good damping. For oil-lubricated systems, NBR (oil-resistant) is recommended. Polyurethane is optional for higher torque and longer life.Q: Can you customize the bore diameter or keyway?
A: Yes, we can customize bore diameters from 19 mm to 80 mm (or other upon request) and offer metric or inch keyways, splines, and pilot bore options.Q: How much misalignment can this coupling handle?
A: Typically up to 1° angular, 0.5 mm parallel, and ±2 mm axial misalignment. Exact values depend on size and speed.Q: Is the coupling suitable for high-speed air compressors?
A: Yes, our models are rated for speeds up to 6000 rpm. Always check the max speed for each size; higher speeds may require dynamic balancing.Q: What is the typical lead time for an order?
A: Standard sizes ship within 10–15 working days after payment. Custom orders may take 20–30 days depending on complexity.Q: Do you provide installation instructions or technical support?
A: Yes, we provide detailed installation manuals and offer remote technical support. Our team can also assist with coupling selection via drawing or specification.
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