Hachiken, Japan
Hachiken QR Reducer
Made in Japan
Manufacturer : Hachiken
Model : QR
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℃
- Flange standard : JIS 10K
Structure and material
| Part number | Name | Material |
| 1 | Inner rubber | Silicone rubber |
| 2 | Reinforcing layer | Heat resistant fiber |
| 3 | Reinforcing wire | Steel wire |
| 4 | Reinforcement surface | Heat resistant fiber |
| 5 | External rubber | Silicone rubber |
| 6 | Flange | SS* |
*Hot-dip galvanized flanges are standard.
Dimensions and performance table
| Nominal diameter | A x B | L. | Maximum working pressure MPa |
| 20A x 25A | 19×25 | 200 | 0.25 |
| 25A x 40A | 25×38 | 200 | 0.25 |
| 40A x 50A | 38×51 | 200 | 0.25 |
| 50A x 80A | 51×76 | 200 | 0.25 |
| 80A x 100A | 76×102 | 250 | 0.10 |
| 100A x 150A | 102×152 | 300 | 0.10 |
| 150A x 200A | 152×203 | 300 | 0.10 |
*The inner diameter of the mouth of 25A or less is R-processed.
<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.).
- Due to the manufacturing method, the plating on the flange may be discolored or mottled, but this does not affect performance.
- The maximum displacement in the performance table of each product is the value when each product is displaced independently.
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