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Help CenterWear Resistant HL Elastic Pin Coupling Buffer Elastic Coupling For General Industrial Drive Equipment
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Hebei Speed Torque Transmission Technology Co., Ltd. proudly introduces our Wear Resistant HL Elastic Pin Coupling Buffer Elastic Coupling – a robust solution tailored for general industrial drive equipment. With over 7 years of manufacturing expertise and a 3,000–5,000 m² factory, we produce couplings that deliver exceptional durability and vibration damping. Our HL series combines high wear resistance with flexible pin design to protect machinery from shock loads, ensuring smooth power transmission across diverse applications. Backed by ISO9001 certification and annual exports exceeding US$5 million, this coupling is trusted by global customers in 16+ market regions.
Key Features & Technical Advantages
Exceptional Wear Resistance: The elastic pin elements are made from high-grade nitrile rubber or polyurethane, offering outstanding abrasion resistance and long service life even under continuous heavy loads.
Excellent Shock Absorption: The buffer design effectively dampens vibration and torsional shocks, protecting connected equipment such as pumps, gearboxes, and compressors from damage.
Easy Installation & Maintenance: Simple plug-in pin structure allows quick assembly and replacement without special tools. No lubrication required.
High Misalignment Tolerance: Compensates for angular, parallel, and axial shaft misalignments up to certain limits (see table below), reducing installation precision requirements.
Compact & Lightweight: Optimized hub design minimizes weight while maintaining high torque capacity, ideal for space-constrained installations.
Customizable Options: Available in various bore sizes, keyways, and special materials (e.g., stainless steel for corrosive environments) per request.
Technical Specifications (HL6 Model Example)
| Parameter | Value |
|---|---|
| Rated Torque (N·m) | 315 |
| Maximum Torque (N·m) | 630 |
| Allowable Speed (rpm) | 4000 |
| Angular Misalignment | ≤1° |
| Parallel Misalignment (mm) | ≤0.2 |
| Axial Displacement (mm) | ±1.5 |
| Operating Temperature | -20°C to +80°C |
Customer Benefits
Reduced Downtime: The buffer design minimizes wear on machine components, extending maintenance intervals by up to 40% compared to rigid couplings.
Cost-Effective Solution: Competitive pricing without compromising quality – our direct factory supply eliminates middleman costs.
Global Compatibility: Designed to meet international standards (ISO9001), suitable for OEM and aftermarket applications worldwide.
Reliable Performance: Tested under extreme conditions – each coupling undergoes 100% torque and pass/fail inspection before shipment.
With a dedicated team of 101–200 employees, Hebei Speed Torque has exported over US$5 million worth of couplings annually to markets including North America, Europe, Southeast Asia, and Africa. Our products are shipped from major ports (Shanghai, Tianjin, Qingdao) with lead times as short as 15 days for standard sizes. We offer customized solutions and technical support to ensure your specific drive requirements are met. Contact us today for a quote or sample testing – experience the durability of our HL elastic pin coupling!
Frequently Asked Questions (FAQ)
Q: What is the typical lifespan of the elastic pin?
A: Under normal operating conditions (rated torque, proper alignment), the elastic pin can last 1–2 years. Higher speeds or frequent shock loads may reduce lifespan – we recommend annual inspection.Q: Can I order custom bore diameters and keyway dimensions?
A: Yes, we offer complete customization. Please provide shaft dimensions, and our engineering team will design to your exact requirements.Q: Is this coupling suitable for high-speed applications like centrifugal pumps?
A: Absolutely. The HL series is widely used in pump drives; however, ensure the allowable speed rating (see table) matches your operating RPM.Q: Do you provide a warranty?
A: Yes, standard warranty is 12 months from the date of shipment against material and workmanship defects. Extended warranty is available upon request.Q: How do I select the correct HL model for my application?
A: You need to know the motor power, operating torque, shaft diameters, and space limitations. Our sales team can assist with sizing calculations – just send your drive parameters.Q: Are replacement elastic pin elements sold separately?
A: Yes, we stock spare elastic pin sets for all HL sizes. You can purchase them in bulk for maintenance convenience.Q: What is the packaging for export shipments?
A: Each coupling is individually wrapped in plastic, then packed in sturdy wooden crates or cartons according to size. Seaworthy packaging is standard to prevent damage during transit.Q: Can this coupling handle reversing loads?
A: Yes, the symmetrical design transmits torque equally in both directions. However, for frequent reversing applications, we recommend checking the maximum torque rating with our technical team.
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