Hachiken, Japan
Hachiken QJ Bellows
Made in Japan
Manufacturer : Hachiken
Model : QJ
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
- Flange standard : JIS 5K
Structure and material
| Part number | Name | Material |
| 1 | Body | Cloth-filled silicone rubber |
| 2 | Reinforcement ring | SUS304 |
| 3 | Reinforcement ring | SUS304 |
| 4 | Flange | SS* |
| 5 | Rubber seal | silicone rubber |
*The standard flange is JIS 5K electrogalvanized.
Dimensions and performance table
* Please contact us separately for sizes from 350A to 1000A.
| Nominal diameter | A. | L. | W. | S. | Maximum working pressure MPa |
| 80A | 89 | 140 | 200 | 75 | 0.01 |
| 100A | 114 | 155 | 220 | 75 | 0.01 |
| 125A | 140 | 180 | 230 | 75 | 0.01 |
| 150A | 165 | 200 | 290 | 100 | 0.01 |
| 200A | 216 | 230 | 320 | 100 | 0.01 |
| 250A | 267 | 270 | 400 | 120 | 0.01 |
| 300A | 319 | 300 | 420 | 120 | 0.01 |
<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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