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Help CenterHeavy-Duty Coupling, 3-Jaw Design, 800 Nm, 304 Stainless Steel, Anti-Corrosion, 50mm
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As a leading manufacturer based in Luoyang, Henan, China, Henan San Kuang Machinery Technology Co., Ltd. is proud to present our Heavy-Duty 3-Jaw Coupling with an impressive 800 Nm torque capacity. Crafted from premium 304 stainless steel and featuring an anti-corrosion surface treatment, this coupling is engineered to deliver reliable power transmission in the most demanding industrial environments. With a 50mm bore diameter, it offers a precise fit for a wide range of shafts, ensuring long-term performance and minimal maintenance.
Key Features & Technical Specifications
- 3-Jaw Design: Provides excellent flexibility and compensates for angular, parallel, and axial misalignments, protecting connected equipment from excessive stress.
- 800 Nm Torque Rating: Suitable for heavy-duty applications such as conveyors, mixers, compressors, and large pumps.
- 304 Stainless Steel Construction: Offers superior corrosion resistance, making it ideal for humid, chemical, or outdoor environments.
- 50mm Bore Diameter: Standard size for common industrial shafts; custom bore sizes are available upon request.
- Anti-Corrosion Finish: Passivated surface treatment enhances durability and extends service life.
- Easy Installation: Simple clamp-on or keyway mounting reduces downtime.
Technical Parameters (Table)
| Parameter | Value |
|---|---|
| Material | 304 Stainless Steel |
| Design | 3-Jaw (Spider Insert) |
| Rated Torque | 800 Nm |
| Bore Diameter | 50 mm |
| Maximum Speed | 4,500 RPM (dependent on balance) |
| Misalignment Capacity | Angular: 1°; Parallel: 0.05 mm; Axial: ±1.5 mm |
| Operating Temperature | -30°C to +80°C (with standard polyurethane spider) |
| Included Spider | Polyurethane (standard), optional Hytrel or bronze |
Why Choose This Coupling?
- Enhanced Durability: The 304 stainless steel body resists rust and chemical attack, reducing replacement frequency.
- Reduced Maintenance: The 3-jaw design with a replaceable spider insert absorbs shock and vibration, protecting bearings and seals.
- Versatile Application: Ideal for wastewater treatment, food processing (with HACCP-compliant materials), chemical plants, and marine equipment.
- Global Compatibility: Bore size 50mm matches common metric shafts; keyway and set screw options available.
- Customization: We can adjust bore diameter, keyway dimensions, and spider material to meet your specific needs.
Trusted Manufacturer – Henan San Kuang Machinery Technology Co., Ltd.
Backed by over 10,000-30,000 square meters of manufacturing facilities and a team of 51-100 skilled employees, Henan San Kuang has established itself as a reliable supplier in the global market. Our annual export value exceeds US$2.5 million, with shipments to major ports including Shanghai, Qingdao, and Tianjin. We hold multiple certifications such as ISO9001, ISO14000, OHSAS18001, and SA8000, ensuring that every product meets rigorous quality standards. Our coupling is produced under strict process control, from raw material inspection to final torque testing.
We serve diverse markets across North America, South America, Europe, Asia, and Africa, and our customers consistently praise our consistent quality, competitive pricing, and responsive after-sales support. Whether you need a single unit or bulk orders, we are ready to deliver with short lead times.
Frequently Asked Questions
-
Q: What is the maximum torque this coupling can handle?
A: The rated torque is 800 Nm, but peak torque can be slightly higher for short durations. For applications above 800 Nm, please consult our engineering team. -
Q: Can I use this coupling for a 48mm shaft?
A: The standard bore is 50mm. We can supply reducing sleeves or custom-bore the coupling to 48mm (subject to hub wall thickness). Please inquire. -
Q: Is the coupling suitable for outdoor use?
A: Yes, the 304 stainless steel and anti-corrosion finish make it highly resistant to rain, humidity, and UV exposure. -
Q: What kind of spider insert is provided?
A: The standard insert is a polyurethane spider (yellow or red). Options include Hytrel for higher temperature or bronze for wet environments. -
Q: How do I install the coupling?
A: Slide the coupling halves onto the shafts, then insert the spider. Tighten the set screws or clamp bolts to the recommended torque. Ensure proper alignment. -
Q: Does the coupling require lubrication?
A: No, the 3-jaw design is maintenance-free. The spider acts as a wear element and should be replaced periodically. -
Q: What certifications do you have?
A: Our factory is certified under ISO9001, ISO14000, OHSAS18001, and SA8000. We also comply with HACCP standards for food-grade applications. -
Q: Can you provide a sample for testing?
A: Yes, sample orders are welcome. We can also provide a batch of couplings for trial before mass production.
Contact us today to discuss your requirements. With our strong manufacturing capacity and global logistics network, we are your ideal partner for heavy-duty coupling solutions. Let Henan San Kuang power your machinery with reliability and precision.
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