enEnglisch
Type A1Rubber Expansion Joint
Standard model single-arch rubber expansion joint composed of single- or multi-layer rubber bellow, for mounting with swivel flanges directly on the pipeline.
Available in various rubber qualities depeding on the flow media, custom install lengths and different standards and meterials for the flanges. Optional support ring for vacuum applications is available on request.
For detailed technical specifications on Type A1 rubber expansion joints please check the following table and documents or contact us.
Properties
- high flexiblility, universal movements
- simple installation with flanges
- various rubber qualities
- suitable for vacuum applications
Technical Specifications
* acc. to individual design or standard program
** other sizes and/or pressure class on request
Rubber Quality Chart
| Rubber | Mark | Color | Common | Max. Allowed | ||
|---|---|---|---|---|---|---|
| Quality | Applications | Temperature | ||||
| NEOPRENE |  | grey | water | 70 °C | ||
| EPDM | | red | warm / industrial water | 90 °C | ||
| EPDM-SP | | red | hot water / heating systems | 110 °C | ||
| NITRIL | | yellow | oils | 80 °C | ||
| NITRIL | | white | food grade applications | 80 °C | ||
| HYPALON | | green | acids | 80 °C | ||
| BUTYL | | blue | potable water | 90 °C | ||
| VITON | | purple | strong acids | 90 °C | ||
* for proper identification of the required rubber quality, please check our complete Rubber Compatibility Chart in Download section.
Standard Program
Nominal | Overall | Movements | ||
|---|---|---|---|---|
Diameter | Length | Axial | Lateral | Angular |
20 | 130 | 30 | 30 | 35 |
25 | 130 | 30 | 30 | 35 |
32 | 130 | 30 | 30 | 35 |
40 | 130 | 30 | 30 | 35 |
50 | 130 | 30 | 30 | 35 |
65 | 130 | 30 | 30 | 30 |
80 | 130 | 30 | 30 | 35 |
100 | 130 | 30 | 30 | 25 |
125 | 130 | 30 | 30 | 25 |
150 | 130 | 30 | 30 | 20 |
200 | 130 | 30 | 30 | 15 |
250 | 130 | 30 | 30 | 10 |
300 | 130 | 30 | 30 | 10 |
350 | 130 | 30 | 30 | 10 |
* for sizes above DN350 please ask for individual quotation
** other lengths available on request.