Union screwed rubber expansion joint is a type of flexible connector used in piping systems that allows for easy installation and maintenance. It features a rubber body designed to absorb thermal expansion, vibrations, and misalignment, combined with union fittings that enable quick disconnection without cutting the pipe.
| Nominal diameter |
Length (mm) |
Axial displacement | Horizontal movement (mm) |
Deflection angle (a1+a2) |
||
| mm | Inch | Compression (mm) |
Extension (mm) |
|||
| 15 | ½ | 200 | 22 | 5~6 | 22 | 45° |
| 20 | ¾ | 200 | 22 | 5~6 | 22 | 45° |
| 25 | 1 | 200 | 22 | 5~6 | 22 | 45° |
| 32 | 1¼ | 200 | 22 | 5~6 | 22 | 45° |
| 40 | 1½ | 200 | 22 | 5~6 | 22 | 45° |
| 50 | 2 | 220 | 22 | 5~6 | 22 | 45° |
| 65 | 2½ | 240 | 22 | 5~6 | 22 | 45° |
| 80 | 3 | 285 | 22 | 5~6 | 22 | 45° |
1.Flexible Design: The rubber material allows for flexibility, accommodating axial, lateral, and angular movements within the piping system.
2.Union Connection: The union fittings on either end facilitate easy installation and removal, enabling maintenance or replacement without disrupting the entire pipeline.
3.Vibration Dampening: These joints effectively reduce vibrations and noise, enhancing the overall performance and comfort of the system.
4.Durability: Made from high-quality rubber compounds, union screwed rubber expansion joints are resistant to various chemicals and temperature fluctuations, ensuring longevity.
Union screwed rubber expansion joints are commonly used in water supply systems, HVAC applications, and industrial piping where easy maintenance and flexibility are essential. They are ideal for connecting pumps, valves, and other equipment in situations where frequent disassembly is required, making them a practical solution for managing thermal expansion and protecting piping systems from stress and wear.
