Hachiken, Japan
Hachiken QA Expansion Sleeve
Made in Japan
Manufacturer : Hachiken
Model : QA
A rubber joint for high-temperature air, composed of silicone rubber and heat-resistant fibers.
The purpose
Anti-vibration/sound insulation and displacement absorption for high-temperature air flow lines.
Usage
- High pressure blower piping
- Drying line for food, etc.
Standard specifications
- Maximum operating temperature : 150℃
Structure and material
| Part number | Name | Material |
| 1 | Inner rubber | Silicone rubber |
| 2 | Reinforcing layer | Heat resistant fiber |
| 3 | External rubber | Silicone rubber |
*Please inquire separately about 2 or 3 ridges.
Dimensions and performance table
* Please contact us separately for sizes from 350A to 1000A.
| Nominal diameter | A. | B. | L. | Maximum displacement | Maximum operating pressure MPa | ||
| Shrinkage | Stretch | Eccentricity | |||||
| 80A | 89 | 101 | 150 | 15 | 8 | 16 | 0.10 |
| 100A | 114 | 126 | 200 | 20 | 12 | 24 | 0.10 |
| 125A | 140 | 152 | 200 | 20 | 12 | 24 | 0.10 |
| 150A | 165 | 183 | 250 | 20 | 16 | 24 | 0.05 |
| 200A | 216 | 234 | 250 | 20 | 16 | 24 | 0.05 |
| 250A | 267 | 285 | 300 | 25 | 20 | 24 | 0.05 |
| 300A | 319 | 337 | 300 | 25 | 20 | 24 | 0.05 |
<Remarks/Precautions>
- Hot water cannot be used.
- Since silicone rubber lacks wear resistance, its service life will be extremely short for fluids containing solids.
- Please contact us for non-standard specifications (diameter, length, etc.).
- The maximum displacement in the performance table of each product is the value when each product is displaced independently.
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