Hachiken, Japan
Hachiken ES Expansion Sleeve
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Made in Japan
Manufacturer : Hachiken
Model : ES
Insertion type expansion joint.
Usage
- Connection of storm water pipes
- Duct connection
Standard specifications
- Maximum operating temperature : -10 to 60°C
- Inner rubber material : EPDM
Structure and material



Part number | Name | Material |
1 | Inner rubber | EPDM |
2 | Reinforcing layer | Synthetic fiber |
3 | External rubber | EPDM |
Dimensions and performance table
* Please contact us separately for sizes from 350A to 1000A.
Nominal diameter | A. | B. | L1 | Maximum displacement | L2 | L3 | Maximum working pressure MPa |
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Shrinkage | Stretch | Eccentricity | |||||||
80A | 89 | 101 | 150 | 15 | 8 | 16 | 250 | 300 | 0.10 |
100A | 114 | 126 | 200 | 20 | 12 | 24 | 300 | 350 | 0.10 |
125A | 140 | 152 | 200 | 20 | 12 | 24 | 300 | 350 | 0.10 |
150A | 165 | 183 | 250 | 20 | 16 | 24 | 350 | 450 | 0.05 |
200A | 216 | 234 | 250 | 20 | 16 | 24 | 350 | 450 | 0.05 |
250A | 267 | 285 | 300 | 25 | 20 | 24 | 400 | 500 | 0.05 |
300A | 319 | 337 | 300 | 25 | 20 | 24 | 400 | 500 | 0.05 |
※1. Please pay attention to the inner diameter dimension A. Inch diameter is also available.
※2. Each displacement amount is the value when each is displaced independently.
Option
Standard | Option | |
Inner rubber material | EPDM | CR, NBR, NR, wear resistant |
<Remarks/Precautions>
- Please contact us for non-standard specifications (diameter, length, etc.).