HDPE Butt Fusion and Spigot Fittings are widely used in joining high-density polyethylene (HDPE) pipes for various industrial applications. Butt Fusion is a welding process that involves heating the ends of two HDPE pipes and pressing them together until they cool and fuse, forming a seamless, leak-proof joint. This method is particularly suitable for large-diameter pipes used in water supply, gas distribution, and sewage systems due to its strength and durability. It ensures a robust connection with no need for additional mechanical fittings or sealants.
Technical Specifications
| Product name | HDPE Butt Fusion/ Spigot Fittings |
| Sizes available | DN 63- 630 mm (outer diameter) |
| SDR/pressure ratings | SDR13.6 / SDR17 |
| Material to be used | Virgin PE80 or PE100 raw material |
| Colors available | Black, blue & yellow, or as per request. |
| Standards that follow to | ISO 4427-3, IS 8008:2022, IS 4984:2016 EN12201-3, EN1555, EN ISO 15494 |
| Samples available | Yes, samples available |
| Packing method | PP Bags |
| MOQ | Negotiable |
| Production lead time | 7-10 days |
| Warranty time | 10 years for normal use |
| Payment term | Negotiable |
| Place of origin | India |
Testing Parameters
| S.N. | Description of Test | Gauges & Test Equipment |
| 1 | Base Density | Digital Density Tester/Mini Hot Press |
| 2 | Melt Flow Rate | MFR Apparatus/Weight Scale, Timer |
| 3 | Thermal Stability (Oxidation Induction Time) | OIT Test Apparatus/Weight Scale, N2 & O2 Gas |
| 4 | Mean Outside Diameter | Pi Tape / Vernier |
| 5 | Wall Thickness | Dial Thickness Gauge/Micrometer/Ultrasonic Gauge |
| 6 | Ovality | Vernier Caliper |
| 7 | Visual Appearance | Visual Check |
| 8 | Color | Visual Check |
| 9 | Internal pressure creep rupture test (hydrostatic resistance test) at 27 °C for 1 h/27 °C for 100 h and 80 °C for 48 h (as specified in Table 11) | Digital Pressure Gauges And Timers Fitted With Hydrostatic Pressure Test Apparatus/ Digital Temperarure Controller Hot Water Bath & Digital temperature Conteroller Cold Water Bath (Ambient Temperature to Variable Temperature) & End Fittings For IPCR Test |
| 10 | Carbon Black Content | CBC Test Apparatus / NitrogenCylinder/Digital Weight Scale |
| 11 | Carbon Black Dispersion | Hot Plate /Micro Slide / Microscope/Metal Shim |
| 12 | Melt Flow Rate | Digital Weight Scale / MFI Test Apparatus |
| 13 | Density | Density test apparatus / Digital Weight Scale / NButyl Acetate |
| 14 | Density test apparatus / Digital Weight Scale / NButyl Acetate | Digital Pressure Gauges And Timers Fitted With Hydrostatic Pressure Test Apparatus/ Digital Temperarure Controller Hot Water Bath & Digital temperature Conteroller Cold Water Bath (Ambient Temperature to Variable Temperature) & End Fittings For IPCR Test |
| 15 | Oxidation induction time | OIT Test Apparatus O2 & N2 Gases And Digital Weight Scale |
| 16 | Overall Migration Test | Digital Weight Scale / Hot Air Oven |
HDPE Butt Fusion Fittings offer several key features that make them highly suitable for various piping applications. These features include:
Leak-Proof Joints
Butt fusion creates a seamless, monolithic connection, eliminating potential leak points found in mechanical joints.
Corrosion Resistance
HDPE is highly resistant to corrosion, chemicals, and biological growth, ensuring long-term reliability in harsh environments.
High Durability
These fittings can withstand high pressure, stress, and environmental conditions, including extreme temperatures and UV exposure.
Flexibility
HDPE butt fusion fittings retain flexibility, allowing for pipe expansion and contraction without compromising the joint integrity.
Cost-Effective
The long lifespan and low maintenance needs of HDPE systems make them more economical over time.
Smooth Internal Surface
The fittings have a low-friction surface, reducing pressure drops and enhancing flow efficiency.
Wide Range of Applications
Suitable for water distribution, gas pipelines, sewage systems, mining, and industrial fluids, among others.
Environmentally Friendly
HDPE is a recyclable material, contributing to sustainable infrastructure solutions.
These features make HDPE butt fusion fittings a preferred choice in demanding pipeline systems