Hachiken, Japan
Hachiken FS Soft Flexible
Made in Japan
Manufacturer : Hachiken
Model : FS
A flexible straight tube type rubber joint for sound and vibration isolation.
It is a very soft type rubber joint that can be crushed by hand because there is no wire in the body.
The purpose
- Connection of piping in places where there are many disconnections
- When contents are clogged inside the pipe and knocked down from the outside
- For temporary large displacement
Usage
- General factory equipment piping
Standard specifications
- Maximum operating temperature : -10 to 60°C
- Maximum working pressure : See performance table
- Flange standard : JIS 10K
- Inner rubber material : EPDM
Structure and material
| Part number | Name | Material |
| 1 | Inner rubber | EPDM |
| 2 | Reinforcing layer | Synthetic fiber |
| 3 | External rubber | EPDM |
| 4 | Flange | SS※ |
*Hot-dip galvanized flanges are standard.
Dimensions and performance table
* Please inquire separately about sizes from 550A to 1000A.
| Nominal diameter | A. | L. | Maximum working pressure MPa | Standard maximum displacement | Mass kg | |||
| Standard goods | Longest | Shrinkage | Stretch | Eccentricity | ||||
| 20A | 19 | 300 | 1000 | 0.25 | 9 | 9 | 12 | 2.2 |
| 25A | 25 | 300 | 1000 | 0.25 | 9 | 9 | 12 | 3.3 |
| 32A | 32 | 300 | 1000 | 0.25 | 9 | 9 | 12 | 4.0 |
| 40A | 38 | 300 | 1000 | 0.25 | 9 | 9 | 12 | 4.4 |
| 50A | 51 | 300 | 1000 | 0.25 | 9 | 9 | 12 | 5.2 |
| 65A | 64 | 300 | 1000 | 0.25 | 9 | 9 | 12 | 6.9 |
| 80A | 76 | 300 | 1000 | 0.25 | 9 | 9 | 12 | 7.4 |
| 100A | 102 | 400 | 1000 | 0.25 | 12 | 12 | 16 | 9.8 |
| 125A | 127 | 400 | 1000 | 0.10 | 12 | 12 | 16 | 15 |
| 150A | 152 | 400 | 1000 | 0.10 | 12 | 12 | 16 | 19 |
| 200A | 203 | 500 | 1000 | 0.10 | 15 | 15 | 20 | 29 |
| 250A | 254 | 500 | 1000 | 0.10 | 15 | 15 | 20 | 36 |
| 300A | 305 | 500 | 1000 | 0.10 | 15 | 15 | 20 | 43 |
| 350A | 350 | 500 | 1000 | 0.10 | 15 | 15 | 20 | 58 |
| 400A | 400 | 700 | 700 | 0.10 | 21 | 21 | 28 | 75 |
| 450A | 450 | 700 | 700 | 0.10 | 21 | 21 | 28 | 95 |
| 500A | 500 | 700 | 700 | 0.10 | 21 | 21 | 28 | 110 |
※1. Each displacement amount is the value when each is displaced independently.
※2. Weight is a guideline.
※3. The inside diameter of the mouth of 25A or less is R-processed.
Option
| Standard | option | |
| Flange standard | JIS 10K | Tap water F12, JIS 5K, JPI class 150, etc. |
| Flange material | SS plating | SUS304, SUS316, etc. |
| Inner rubber material | EPDM | CR, NBR, NR, wear resistant |
<Remarks/Precautions>
- It cannot be used in a negative pressure line because it does not contain a wire.
- When replacing the peripheral equipment, if the joint is displaced too much, the body will collapse and the fluid will not flow during that time.
- 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.
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