Jul . 23, 2025 02:01
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High-Quality Parallel Groove Clamp for Secure Connections
Parallel groove clamp, also known as parallel groove or parallel connector, is a pivotal power fitting ensuring seamless connection of wires and lightning conductors, predominantly in non-tension applications. With evolving power distribution technologies and stringent demands for reliability, the parallel groove clamp market has witnessed significant advancements in materials, design standards, and technical indicators. This comprehensive guide explores industry trends, technical specifications, application case studies, and an in-depth analysis of the parallel groove clamp price and market, spotlighting the expertise of Handan Samao Electric Power Equipment Manufacturing Co., LTD.—your trusted supplier.
Company: Handan Samao Electric Power Equipment Manufacturing Co., LTD.
Official Website: https://www.samaoep.com
Tel: 0310-6891969 | Mobile: 0310-6891969
Email: 1123937859@qq.com
Address: Standard Parts Entrepreneurship Park, Dongmingyang Village, Linmingguan Town, Yongnian District, Handan City, Hebei Province
Product Overview
Parallel groove clamp is a specialized fitting used for connecting transmission lines, grounding wires, and lightning conductors—especially at points not subjected to mechanical stress. Manufactured predominantly from high-grade aluminum or copper alloys, parallel groove clamps are engineered for high conductivity, corrosion resistance, and long-term durability.
Learn more about Parallel Groove Clamp →
Learn more about Parallel Groove Clamp →
- Key Materials: High-strength aluminum alloy, tinned copper, stainless steel bolts
- Standards: IEC 61284, GB/T2314, ASTM B500
- Typical Applications: Overhead power lines, substations, lightning protection networks
Technical Parameters: Comparative Table
| Model | Conductor Range (mm²) | Body Material | Bolt Material | Applicable Standard | Max. Withstand Voltage (kV) | Weight (kg) |
|---|---|---|---|---|---|---|
| PGC-1A | 16~70 | Aluminum Alloy | Stainless Steel | IEC 61284 | 10 | 0.34 |
| PGC-2B | 25~150 | Tinned Copper | Galvanized Steel | GB/T2314 | 15 | 0.52 |
| PGC-3C | 35~240 | Aluminum Alloy | Stainless Steel | ASTM B500 | 24 | 0.72 |
| PGC-4D | 50~400 | Aluminum Alloy | Stainless Steel | IEC 61284 | 36 | 1.12 |
Note: Product models are customizable upon request. For detailed CAD drawings & datasheets, please contact us.
Parallel Groove Clamp Technical Indexes: Data Visualization
Clamp Body Material Distribution
Price Range by Specification
Industry Trends & Market Insights
In recent years, the parallel groove clamp sector has evolved due to the growing expansion of smart grids, renewable energy integration, and the pursuit of low-loss, reliable transmission line solutions. Industrial forums such as The Electricity Forum and technical journals like the IEEE Transactions on Power Delivery emphasize the increasing role of advanced materials (e.g., high-conductivity alloys, surface-coating technology), and the necessity for superior anti-corrosion performance in parallel groove connectors. Parallel groove clamp price trends are influenced by fluctuations in raw material costs, performance grade, and compliance with international standards.
The market for power line connectors is projected to reach USD 1.7 billion by 2026, with the parallel groove clamp segment showing steady growth at ~6% CAGR (Source: MarketsandMarkets: Connector Market - Global Forecast). Demand is strongest in Asia-Pacific and the Middle East, driven by infrastructure modernization, new electrification projects, and the need for robust, maintenance-free fittings.
- Preference for aluminum alloy models with stainless hardware due to optimum anti-oxidation and weight balance.
- Increasing emphasis on parallel groove clamps with improved environmental sealing and torque-control features.
- Growing demand for third-party certification (TÜV, SGS), and customization services.
Application Scenarios of Parallel Groove Clamp
Parallel groove clamps are extensively deployed in:
- Overhead Transmission Lines: Connecting phase and neutral conductors, ensuring reliable current transfer without insulation damage.
- Lightning Protection Systems: Securing ground wires or lightning conductors to the power grid, improving system resilience.
- Substations & Distribution Networks: Used for tap/branch connections and line modifications.
- Railway Electrification: Efficient current distribution in overhead railway catenaries.
As quoted in the IEEE Transactions on Power Delivery, optimizing connector geometry and material selection can reduce line losses by up to 8% while enhancing corrosion resistance—a pivotal advancement for utilities and engineering firms.
Parallel Groove Clamp Price Factors
The parallel groove clamp price is determined by several attributes:
- Material Cost: Aluminum vs copper-based; price premiums for tinned copper, stainless fasteners.
- Specification & Conductor Range: Larger range/higher voltage models cost more.
- Certification & Testing: ISO, SGS, or IEC-compliant products fetch higher prices.
- Order Quantity & Customization: Discounts available for bulk orders/custom projects—request a quote.
- Standard Aluminum Alloy Models: $0.60–$1.42/piece (for 16–240mm²)
- Copper/Hybrid Models: $2.5–$4.9/piece
- Premium Custom Models: $5.0–$12.3/piece
Expert FAQ: Parallel Groove Clamp Technical FAQ
1. What are the primary materials used in parallel groove clamps?
Parallel groove clamps are mainly made from high-strength aluminum alloys for light weight and corrosion resistance, and tinned copper for applications needing higher conductivity.
2. What conductor sizes do parallel groove connectors accommodate?
Most models accommodate conductors ranging from 16 mm² up to 400 mm². Special models can be customized for larger or non-standard conductors.
3. Which standards do Samao’s parallel groove clamps meet?
Our parallel groove clamps comply with IEC 61284, GB/T 2314, ASTM B500, and can be customized to meet regional standards as required.
4. How is installation torque controlled?
Standard installation torque values range from 20–35 Nm, with torque indicators available for some models to ensure proper tightening.
5. What types of bolts are used?
Stainless steel bolts are standard for resistance to corrosion; galvanized steel or brass options are available per project needs.
6. Do parallel groove clamps support insulated conductors?
Yes, models are available with anti-slip ribs or elastomer inserts for secure attachment to insulated or covered conductors.
7. Does Samao offer third-party certified products?
All parallel groove clamp series can be supplied with SGS, TÜV, or in-house test reports as required by clients globally.
Why Choose Handan Samao Electric Power Equipment Manufacturing Co., LTD.?
As a leading manufacturer and exporter of parallel groove clamps and power fittings, Handan Samao Electric Power Equipment Manufacturing Co., LTD. combines robust technical expertise, automated production facilities, and a strict quality control regime.
- Industry Experience: Over 18 years' focus on parallel groove, power connectors, and line hardware.
- Scale & Capacity: 18,000㎡ workshop, 12 production lines, annual output 2 million units.
- Certification & R&D: ISO 9001, SGS-certified, full in-house laboratory, independent innovation patents.
- Global Service: Products exported to 36+ countries across Asia, Europe, the Middle East and Africa.
Contact us for the latest catalog or to discuss your next power project: 1123937859@qq.com
References
- The Electricity Forum. "Electrical Connectors & Clamps: Materials and Installation", 2023. View Forum
- IEEE Transactions on Power Delivery, “Reliability analysis of connection hardware for transmission lines”, vol.36(2), 2021. Read Paper
- IEC 61284: Overhead lines – Requirements and tests for fittings. Official Standard
- MarketsAndMarkets, "Connector Market - Global Forecast 2026". Market Report
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