Comprehensive Technical Overview of Bronze and Brass Square Tape Clamps
We are one of the leading manufacturers and exporters of Bronze Square Tape Clamps, Brass Square Tape Clamps, and Electrical Tape Clamps from India. We have been supplying high-quality Bronze Grounding Clamps, Brass Bonding Clamps, Square Tape Connectors, Grounding System Clamps, Lightning Protection Clamps, Electrical Bonding Clamps, and Custom Tape Clamps to the world market for many decades. Our state-of-the-art manufacturing facility specializes in producing premium Bronze and Brass Electrical Clamping Systems using advanced copper alloy formulation, precision sand casting, gravity die casting, CNC machining, heat treatment processes, surface finishing, automated assembly, electrical testing, and comprehensive quality assurance systems. With over three decades of global experience in Electrical Tape Clamp manufacturing, we serve diverse industries including electrical grounding systems, lightning protection, telecommunications, railway electrification, industrial plants, substation grounding, building services, and infrastructure projects. Our expertise encompasses working with various copper alloys including Gunmetal Bronze (BS 1400 LG2), Phosphor Bronze (BS 1400 PB4), Naval Brass (BS 267 CZ112), Free Cutting Brass (C36000), and High Strength Bronze Alloys. We manufacture Bronze and Brass Square Tape Clamps in tape sizes from 25mm x 3mm to 50mm x 6mm, current ratings from 100A to 2000A, maintaining temperature ratings from -40°C to 120°C, excellent electrical conductivity, compliance with IEC 62305, UL 467, BS 7430, IEEE 80 standards, and reliable performance in critical electrical grounding applications.
Types of Bronze and Brass Square Tape Clamps
Single Tape to Rod Clamps
Ground Rod Connection Clamps designed for connecting flat tape to round ground rods, featuring heavy-duty construction and superior corrosion resistance. Available in bronze and brass materials with tape sizes from 25x3mm to 50x6mm. These Rod to Tape Connectors provide reliable connections for grounding electrode systems, lightning protection networks, substation grounding, and equipment bonding where tape to rod connections are required.
Tape to Tape Straight Through Clamps
In-line Tape Splice Clamps with parallel groove design for joining two tape ends, featuring uniform pressure distribution and maximum contact area. Current ratings from 200A to 1000A with bronze and brass construction. These Continuous Tape Connectors are essential for tape extension, repair applications, system expansion, and long run installations where uninterrupted tape continuity is necessary.
Tee Branch Tape Clamps
Right Angle Branch Connectors with perpendicular connection design, featuring precision-machined contact surfaces and secure clamping mechanism. Available in equal and unequal tape size combinations. These Branching Connection Clamps are designed for system tapping, lateral connections, cross bonding, and network branching requiring 90-degree tape connections.
Cross Type Tape Clamps
Four-Way Intersection Clamps with multi-directional connection capability, featuring balanced current distribution and robust construction. Current ratings from 400A to 2000A with heavy-duty bolt arrangements. These Multi-directional Connectors are crucial for complex grounding networks, grid intersections, multiple bonding points, and comprehensive earthing systems requiring multiple connection points.
Reducing Type Tape Clamps
Tape Size Transition Clamps with different size accommodation, featuring gradual transition design and optimal current flow. Available in various tape size combinations. These Size Adaptation Clamps solve compatibility issues in system upgrades, retrofit applications, design modifications, and tape size transitions where different tape dimensions must be connected.
Material Specifications & Properties
Copper Alloy Composition & Electrical Properties
| Alloy Type | Composition | Conductivity (% IACS) | Tensile Strength (MPa) | Yield Strength (MPa) | Corrosion Resistance |
|---|---|---|---|---|---|
| Gunmetal Bronze LG2 | 85% Cu, 5% Zn, 5% Sn, 5% Pb | 25% | 240-300 | 120-150 | Excellent |
| Phosphor Bronze PB4 | 90% Cu, 10% Sn, 0.2% P | 18% | 350-450 | 200-250 | Superior |
| Naval Brass CZ112 | 60% Cu, 39% Zn, 1% Sn | 28% | 350-400 | 150-180 | Very Good |
| Free Cutting Brass C36000 | 61.5% Cu, 35.5% Zn, 3% Pb | 26% | 340-420 | 140-170 | Good |
Mechanical & Electrical Performance Specifications
| Parameter | Bronze Clamps | Brass Clamps | Test Standard |
|---|---|---|---|
| Current Rating | 100A – 2000A | 100A – 1500A | UL 467 |
| Short Circuit Withstand | 16kA – 100kA | 16kA – 63kA | IEEE 80 |
| Contact Resistance | <10μΩ | <15μΩ | IEC 61238 |
| Mechanical Strength | 8kN – 50kN | 6kN – 35kN | BS 7430 |
| Torque Requirements | 25-100Nm | 20-80Nm | Manufacturer Spec |
Manufacturing Excellence
Advanced Manufacturing Process
Sand Casting Technology: Precision sand casting for complex geometries and superior surface finish
Gravity Die Casting: Permanent mold casting for consistent quality and dimensional accuracy
CNC Precision Machining: 5-axis CNC machining centers maintaining tolerances of ±0.05mm
Heat Treatment: Stress relieving and annealing for optimal mechanical properties
Surface Treatment: Tin plating, passivation, or natural finish
Quality Testing: 100% dimensional and visual inspection
Quality Assurance Protocols
Material Certification: Mill certificates with full chemical composition analysis
Dimensional Control: CMM inspection with statistical process control charts
Mechanical Testing: Tensile testing, compression testing, and torque testing
Electrical Testing: Contact resistance measurement and current cycling tests
Performance Validation: Salt spray testing, thermal cycling, and accelerated aging
Technical Specifications & Performance Data
Current Carrying Capacity & Mechanical Strength
| Clamp Type | Tape Size | Current Rating | Mechanical Strength | Bolt Size | Torque Value |
|---|---|---|---|---|---|
| BTC-SR-25 | 25x3mm | 200A | 8kN | M8 | 25-30Nm |
| BTC-SR-32 | 32x4mm | 400A | 12kN | M10 | 40-50Nm |
| BTC-SR-40 | 40x5mm | 630A | 16kN | M12 | 60-70Nm |
| BTC-SR-50 | 50x6mm | 800A | 20kN | M16 | 80-100Nm |
| BTC-TT-25 | 25x3mm | 150A | 6kN | M8 | 20-25Nm |
| BTC-TT-40 | 40x5mm | 500A | 15kN | M12 | 50-60Nm |
| BTC-CR-50 | 50x6mm | 1000A | 25kN | M16 | 90-110Nm |
Environmental Performance Specifications
| Environmental Condition | Bronze Performance | Brass Performance | Test Duration |
|---|---|---|---|
| Salt Spray Corrosion | 1000+ hours | 500+ hours | ASTM B117 |
| Soil Corrosion | 30+ years | 20+ years | Field Data |
| UV Resistance | Excellent | Very Good | ISO 4892 |
| Temperature Cycling | -40°C to 120°C | -40°C to 100°C | IEC 60068 |
International Standards & Certifications
Global Compliance & Approvals
IEC 62305: Lightning protection systems
UL 467: Grounding and bonding equipment
BS 7430: Code of practice for protective earthing
IEEE 80: Guide for safety in AC substation grounding
IEC 61238: Compression and mechanical connectors
Testing & Certification Standards
Short Circuit Testing: UL 467 for fault current withstand
Temperature Rise Testing: IEEE 80 for current carrying capacity
Mechanical Testing: BS 7430 for mechanical strength verification
Environmental Testing: IEC 60068 for environmental conditions
Industry Applications
Electrical Grounding Systems
Substation Grounding: Main ground grid connections and equipment bonding
Lightning Protection: Down conductor connections and earth termination networks
Equipment Grounding: Transformer, switchgear, and motor bonding connections
System Grounding: Neutral grounding and system earthing connections
Industrial Applications
Chemical Plants: Corrosive environment grounding and bonding
Oil & Gas Facilities: Hazardous area grounding systems
Manufacturing Plants: Equipment bonding and static electricity protection
Water Treatment: Cathodic protection and equipment grounding
Infrastructure Projects
Telecommunications: Tower grounding and equipment bonding
Railway Systems: Track bonding and traction earthing
Building Services: Electrical system grounding and lightning protection
Renewable Energy: Solar farm and wind turbine grounding systems
Installation Guidelines & Maintenance
Professional Installation Procedure
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Surface Preparation: Clean tape and clamp surfaces using wire brush and contact cleaner
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Clamp Selection: Verify clamp rating matches tape size and current requirements
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Assembly Sequence: Assemble components in correct order with proper orientation
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Torque Application: Use calibrated torque wrench with specified torque values
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Contact Verification: Ensure proper contact alignment and pressure distribution
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Final Inspection: Verify installation quality and electrical continuity
Maintenance Best Practices
Regular Inspection: Annual visual inspection and torque verification
Electrical Testing: Triennial contact resistance measurement
Corrosion Monitoring: Biannual corrosion assessment in harsh environments
Performance Verification: Periodic thermographic inspection
Replacement Schedule: 30-year recommended service life for bronze, 25-year for brass
Frequently Asked Questions
Q1: What is the difference between bronze and brass tape clamps?
Bronze offers superior corrosion resistance, higher mechanical strength, and better performance in harsh environments, while brass provides good corrosion resistance at a more economical price point. Bronze is preferred for critical applications, while brass is suitable for standard applications.
Q2: Can these clamps be used for lightning protection systems?
Yes, our bronze and brass square tape clamps are specifically designed for lightning protection systems. They provide reliable connections for down conductors and earth termination networks, complying with IEC 62305 standards.
Q3: What is the expected service life of your tape clamps?
Our bronze tape clamps have a minimum service life expectancy of 30+ years, while brass clamps offer 25+ years when properly installed and maintained, with proven performance in various environmental conditions.
Q4: Do you provide custom-designed clamps for specific applications?
Yes, we specialize in custom clamp design and manufacturing. We can create clamps with specific tape sizes, special configurations, unique angles, and custom ratings to meet unique application requirements.
Q5: What surface treatments do you offer for enhanced performance?
We offer tin plating (5-8μm), passivation treatments, and special coatings for enhanced corrosion protection. For bare copper tape applications, we recommend tin-plated clamps to prevent bimetallic corrosion.
Q6: What testing do you perform on finished clamps?
We perform 100% dimensional inspection, mechanical strength testing, contact resistance testing, and sample destructive testing. Additionally, we conduct type tests including temperature rise, short circuit, corrosion resistance, and environmental testing.
Contact Us Today – Request Quote for Bronze and Brass Square Tape Clamps
Ready to discuss your Bronze and Brass Square Tape Clamp requirements for grounding systems, lightning protection, industrial bonding, or custom electrical connection solutions?
Request a Quote: Send your specifications including clamp type, tape sizes, material preference, quantity, and application details to sales@jambrass.com for a detailed quotation within 24 hours.
Technical Support: Email your application requirements or technical drawings for clamp selection guidance, material recommendation, and certification assistance.
Call Us: +91-22-43449300 / +91-22-43449323 (Monday-Friday, 9:00 AM – 6:00 PM IST)
Office Address: 1406, 14th Floor, Dalamal Tower, Nariman Point, Mumbai – 400021, Maharashtra, INDIA
Factory Address: Plot 10B, GIDC Industrial Estate, Shanker Tekari, Udyognagar, Jamnagar, Gujarat, India – 361004
Contact Person: Mr. Mehul Vora
Email: sales@jambrass.com
