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Help CenterStainless Steel Flexible Tyre Coupling for Pump and Motor Drive Systems
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Established in 2017 and located in Cangzhou, Hebei, Hebei Speed Torque Transmission Technology Co., Ltd. has grown into a professional manufacturer of power transmission components. With a factory area of 3,000–5,000 square meters and a dedicated team of 101–200 employees, we focus on delivering high-quality, reliable coupling solutions. Our annual export value exceeds US$5 million, serving markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. The Stainless Steel Flexible Tyre Coupling is one of our flagship products, engineered specifically for pump and motor drive systems that demand corrosion resistance, misalignment compensation, and vibration damping.
This coupling consists of two stainless steel hubs connected by a flexible rubber or polyurethane tyre element. The tyre transmits torque while allowing angular, parallel, and axial misalignment. The stainless steel construction makes it ideal for harsh environments where moisture, chemicals, or frequent wash-downs are present. It is a maintenance-free, high-performance alternative to traditional metallic couplings.
Key Features & Benefits
- Corrosion Resistance – The stainless steel hubs (304/316 optional) resist rust and chemical attack, extending service life in food processing, pharmaceutical, marine, and wastewater applications.
- Excellent Misalignment Compensation – The flexible tyre element absorbs angular (up to 4°), parallel (up to 0.8 mm), and axial misalignment (up to ±2 mm), reducing stress on bearings and seals.
- Vibration Damping & Noise Reduction – The elastomeric tyre dampens torsional vibrations and shock loads, protecting sensitive equipment like pumps and motors.
- Easy Installation & Maintenance – No lubrication required. The tyre can be replaced without moving the hubs, saving downtime.
- High Torque Capacity – Designed to transmit high torques up to 5000 Nm (depending on size) with a compact design.
- Wide Operating Temperature – Standard tyre works from -30°C to +80°C; high-temperature versions available on request.
- Customizable Bore & Keyway – Available in metric or inch dimensions with keyways, set screws, or clamping hubs.
Technical Specifications (Typical Range)
| Parameter | Value |
| Bore Diameter Range | 10 mm – 100 mm (custom sizes available) |
| Maximum Speed | Up to 4000 RPM |
| Torque Range | 50 Nm – 5000 Nm |
| Misalignment Capacity | Angular ≤ 4°, Parallel ≤ 0.8 mm, Axial ≤ ±2 mm |
| Hub Material | Stainless Steel 304 (316 optional) |
| Tyre Material | NR / PU / Silicone (optional) |
| Temperature Range | -30°C to +80°C (extended available) |
| Certification | ISO9001:2015 |
Our stainless steel tyre couplings are widely used in centrifugal pumps, metering pumps, compressors, fans, and motor drive systems across industries such as water treatment, food & beverage, pharmaceuticals, marine, and chemical processing. The combination of stainless steel hubs and replaceable tyre inserts provides a cost-effective solution that reduces downtime and extends equipment life.
At Hebei Speed Torque Transmission Technology Co., Ltd., we take quality seriously. Our factory operates under a strict ISO9001:2015 quality management system. Every coupling is inspected for dimensional accuracy, material composition, and performance before shipment. With our experienced export team and strategic location near Ports of Shanghai, Tianjin, and Qingdao, we ensure timely delivery to customers worldwide. We have successfully exported to over 15 countries and regions, including North America, Europe, and Southeast Asia.
We understand that every application is unique. That's why we offer customized solutions: from special bore sizes, keyway configurations, clamping hubs, to high-temperature elastomers. Our engineers are available to help you select the right coupling for your pump and motor drive system. Contact us today for a quotation or technical consultation. Let us be your trusted partner in power transmission.
Frequently Asked Questions (FAQ)
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Q: What industries typically use stainless steel tyre couplings?
A: They are ideal for industries requiring corrosion resistance, such as food & beverage, pharmaceutical, wastewater treatment, marine, and chemical processing. They are also used in general pump and motor drives where misalignment and vibration damping are needed. -
Q: Can this coupling handle high temperatures?
A: Standard tyre material works up to 80°C. For higher temperatures (up to 150°C), we offer silicone or Viton elastomers upon request. Please specify your operating temperature when ordering. -
Q: How do I select the correct size for my pump and motor?
A: You need to know the shaft diameters, torque requirements, maximum speed, and misalignment values. Our technical team can assist you with selection. Generally, choose a coupling with a torque rating at least 1.25 times your application torque. -
Q: Is the tyre replaceable without dismantling the hubs?
A: Yes. The tyre is split or can be removed by sliding the hubs apart slightly. This allows quick replacement without realigning the connected equipment, minimizing downtime. -
Q: What is the lead time for standard sizes?
A: For standard sizes with common bore dimensions, lead time is typically 7–15 days after order confirmation. Custom orders may require 15–30 days, depending on complexity. -
Q: Do you provide samples or small orders for testing?
A: Yes, we welcome sample orders. Small quantities are available for testing. Please contact us with your requirements and we will provide a sample offer. -
Q: Does the coupling require lubrication?
A: No. The tyre coupling is maintenance-free. No lubrication is needed, which reduces maintenance costs and prevents contamination in clean environments. -
Q: What is the maximum misalignment allowed for this coupling?
A: Maximum angular misalignment is 4°, parallel misalignment up to 0.8 mm, and axial misalignment up to ±2 mm. Exceeding these limits may reduce the coupling life. For larger misalignment, please consult our engineers.
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