HDPE Electrofusion Spigot Saddle
An HDPE Electrofusion Spigot Saddle is a type of electrofusion saddle fitting made from High-Density Polyethylene (HDPE) that is used to create a branch connection from a main pipeline, featuring a spigot (plain) outlet end.The HDPE Electrofusion Spigot Saddle is a specialized fitting used to create strong and reliable branch connections in HDPE pipelines through electrofusion welding. It features a spigot outlet that can be directly fused with compatible fittings or pipes. This saddle is ideal for water, gas, and industrial applications where durability and leak-free connections are critical.
The saddle is mounted onto the surface of the HDPE pipe and fused using electrofusion technology, where embedded heating coils melt and bond the saddle to the pipe, forming a strong, permanent, and leak-proof joint. The spigot outlet allows easy connection to other HDPE fittings or pipes through butt fusion or electrofusion couplers. It is widely used in irrigation, and industrial piping, offering reliable performance, high strength, and long service life.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
HDPE Electrofusion Spigot Saddle Details
*Technical Diagram
*Technical Data
| Parameter | Details |
| Material | High-Density Polyethylene (HDPE – PE80 / PE100) |
| Type | Electrofusion Spigot Saddle |
| Function | Provides branch connection with spigot outlet |
| Outlet Type | Spigot (plain end for butt fusion or electrofusion coupling) |
| Connection Method | Electrofusion (for saddle) + Butt fusion / Coupler (for outlet) |
| Main Pipe Diameter Range | Typically 63 mm to 1000 mm (varies by manufacturer) |
| Outlet Size Range | Typically 20 mm to 315 mm |
| Pressure Rating | PN6, PN10, PN12.5, PN16 (depending on SDR and material) |
| Standard Dimension Ratio (SDR) | SDR 11, SDR 13.6, SDR 17 |
| Operating Temperature | -10°C to 45°C |
| Melting Temperature | Approx. 120°C – 130°C |
| Density | ~0.94 – 0.96 g/cm³ |
| Color | Black (with blue stripe for water / yellow for gas) |
| Joint Strength | Equal to or greater than pipe strength |
| Corrosion Resistance | Excellent resistance to chemicals, acids, and alkalis |
| UV Resistance | Good (carbon black stabilized) |
| Electrical Input | Typically 39.5V or 220V (via electrofusion control unit) |
| Fusion Time | 1–10 minutes (depends on size and manufacturer) |
| Cooling Time | 10–30 minutes |
| Leakage | 100% leak-proof after proper fusion |
| Standards Compliance | ISO 4427 (water), ISO 4437 (gas), EN 12201 |
| Installation Requirement | Requires electrofusion machine and proper surface preparation |
| Application Areas | Water supply, gas distribution, irrigation, industrial piping systems |
Secure Branching – Allows easy creation of branch lines with a spigot outlet
High-Strength PE100 Body – Offers excellent durability and long service life
Effortless Fusion – Integrates with electrofusion control units for easy installation
Leak-Proof Joint – Guarantees sealed connections for pressurized systems
Versatile Applications – Suitable for gas, water supply, and industrial fluids
Standard Compliant – Manufactured according to global performance standards
| SDR Value | PE100 Rating (PN) | PE80 Rating (PN) |
| SDR 7.4 | PN25 | PN20 |
| SDR 9 | PN20 | PN16 |
| SDR 11 | PN16 | PN12.5 |
| SDR 13.6 | PN12.5 | PN10 |
| SDR 17 | PN10 | PN8 |
| SDR 21 | PN8 | PN6 |
| SDR 26 | PN6 | PN5 |
Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Benefits of Using HDPE Electrofusion Spigot Saddle
1. Strong & Leak-Proof Joint
- Electrofusion creates a homogeneous bond with the pipe.
- Ensures 100% leak-proof performance when properly installed.
2. Flexible Connection with Spigot Outlet
- The spigot end allows easy connection using butt fusion or electrofusion couplers.
- Provides versatility in system design.
3. High Mechanical Strength
- Joint strength is equal to or greater than the pipe itself.
- Suitable for high-pressure applications.
4. Corrosion & Chemical Resistance
- Made from HDPE, offering excellent resistance to corrosion, chemicals, acids, and alkalis.
- Ideal for industrial and harsh environments.
5. Easy Installation
- Requires only an electrofusion machine and standard tools.
- Reduces installation time and minimizes human error.
6. Long Service Life
- Provides a lifespan of 50 years or more under normal operating conditions.
- Resistant to wear, weathering, and environmental stress.
7. Suitable for Underground Use
- Perfect for buried pipelines due to strong, permanent joints.
- Requires minimal maintenance.
8. Smooth Flow Efficiency
- Designed to ensure uniform flow with minimal turbulence and pressure loss.
- Maintains system efficiency.
9. Cost-Effective Solution
- Reduces installation, maintenance, and repair costs.
- Eliminates the need for complex fittings.
10. Wide Application Range
- Used in water supply, gas distribution, irrigation, and industrial piping systems.
- Compatible with PE80 and PE100 pipes.
Types of HDPE Electrofusion Spigot Saddle
1. Standard Spigot Saddle
- Basic design with a spigot outlet for branch connection.
- Suitable for general-purpose applications.
- Applications: Water supply and irrigation systems.
2. Reinforced Spigot Saddle
- Comes with additional structural support around the saddle body.
- Provides enhanced strength for high-pressure systems.
- Applications: Industrial pipelines and critical infrastructure.
3. Tapping Spigot Saddle
- Designed for branch connection on live or pressurized pipelines.
- Allows drilling/tapping after installation.
- Applications: Water distribution and gas pipelines.
4. Full Encirclement Spigot Saddle
- Wraps completely around the pipe circumference.
- Ensures maximum load distribution and joint strength.
- Applications: High-pressure and large-diameter pipelines.
5. Half (Top-Loading) Spigot Saddle
- Covers only the upper portion of the pipe.
- Easier and faster to install.
- Applications: Low to medium pressure systems.
6. Long Spigot Saddle
- Features a longer spigot end for deeper insertion into fittings.
- Improves joint stability and alignment.
- Applications: Heavy-duty and high-stress installations.
7. Short Spigot Saddle
- Compact design with a short spigot outlet.
- Ideal for space-constrained installations.
- Applications: Repair and retrofit works.
8. Customized Spigot Saddle
- Manufactured according to specific project needs.
- Can vary in size, outlet length, and pressure rating.
- Applications: Specialized industrial and infrastructure projects.
Applications of HDPE Electrofusion Spigot Saddle
Process Industry
High Purity Applications
Electronic Industry
Electrical Industry
Semi-conductors Industry
Pharmaceutical Industry
Solar power panels
Sugar Industry
Paper & Pulp Industry
Nuclear Power Industry
Automotive Industry
DI water plants
Why Choose Petron Thermoplast?
Petron Thermoplast has selected the right HDPE Electrofusion Spigot Saddle to require balancing material quality, actuation needs, and system compatibility. For high-performance applications involving steam, chemicals, or automated control. The certified actuators deliver optimal reliability. While the entry level of options exists for non-critical uses, investing in a well-engineered saddle reduces downtime and maintenance costs over time.
HDPE Electro Fusion Fittings
Electrofusion fittings are specialized HDPE components designed with embedded electric heating elements that, when energized, melt and fuse the fitting to the pipe surface. This technique provides a secure, leak-proof, and durable joint, making it ideal for high-pressure and critical pipeline applications. Electrofusion is especially preferred when working in confined spaces, where using large butt fusion equipment is impractical.
HDPE Butt Fusion Fittings
Butt fusion fittings are one of the most reliable and widely used types of HDPE pipe fittings. These fittings are joined using a butt fusion welding process, which involves heating the ends of both the pipe and the fitting to a precise temperature (typically around 200–220°C), then pressing them together under controlled pressure until they fuse into a single continuous piece. This results in a permanent, seamless, and high-integrity joint.
