The DN400 electrofusion coupler is a large-diameter fitting commonly used in major projects such as urban water transmission systems and power plant circulating water networks. Its production and installation require specialized equipment and advanced technology, representing a high level of technical expertise. With its extensive fusion area and deep socket, proper handling is critical to achieving a secure weld. The coupler's outstanding pressure resistance and anti-creep properties ensure decades of safe and reliable operation. Selecting this product provides lasting peace of mind.
DN400 Electrofusion Coupler (S400) Core Parameter Comparison
|
Parameter |
S400 (10 bar / PN10) |
S400 (16 bar / PN16) |
Explanation |
|
Nominal Pressure |
PN10 |
PN16 |
The 16-bar version offers higher pressure capacity. |
|
Unit Weight (kg) |
6.3 |
10.19 |
The 16-bar version is ~62% heavier, showing greater material use. |
|
Fitting Outer Diameter (mm) |
440 |
450 |
The 16-bar version has a larger OD and stronger structure. |
|
Wall Thickness (mm) |
21 |
30 |
The 16-bar version's wall thickness is ~43% greater, providing added strength. |
|
Height (mm) |
230 |
262 |
The 16-bar version has a larger overall size. |
|
Socket Depth (mm) |
115 |
129 |
The deeper socket provides a larger fusion area and stronger connection. |
|
Fusion Zone Width (mm) |
68 |
69 |
Fusion zone width is nearly identical in both versions. |
Advantages of Electrofusion Technology & Key Points for Quality Assessment
|
Dimension |
Core Advantages of Electrofusion Technology |
Quality Evaluation Methods |
|
Core Theme |
Technical advancement & convenience in operation |
Reliability assurance & risk control |
|
1 |
High level of automation, reducing human and environmental influence |
Verify fusion machine output (voltage, time, etc.) |
|
2 |
Excellent adaptability; suitable for confined spaces |
Visual inspection of melt indicator bulge |
|
3 |
Strong connection capability, suitable for complex branching or angles |
Traceability through date code verification |
|
4 |
- |
Final validation with an air-tightness test |
Electrofusion technology represents a significant advancement in pipeline connection, offering convenience in construction and ensuring joint reliability through multiple verification methods. Continuous innovations, such as ultrasonic phased array testing, further enhance quality assurance.
FAQ
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