Hachiken, Japan
Hachiken JS Floppy Joint
Made in Japan
Manufacturer : Hachiken
Model : JS
Super flexible flange type joint.
Feature
- High
Flexibility The special structure provides excellent flexibility. - Large eccentricity A
Large eccentricity can be obtained with a short face-to-face dimension.
Usage
- Connection of storm water pipes
- Blower pipe connection
- Connection of piping that is frequently attached and detached
Standard specifications
- Maximum operating temperature : -10 to 60°C
- Flange standard : JIS 10K
- Inner rubber material : EPDM
Structure and material
| Part number | Name | Material |
| 1 | Inner layer | EPDM with reinforcement |
| 2 | Reinforcing wire | Steel wire |
| 3 | Outer layer | EPDM with reinforcement |
| 4 | Flange | SS※ |
*Hot-dip galvanized flanges are standard.
Dimensions and performance table
| Nominal diameter | A. | L. | Curvature radius | Maximum working pressure | Mass kg | ||
| At the earliest | Longest | Internal pressure MPa | Negative pressure kPa | ||||
| 50A | 51 | 400 | 4000 | 80 | 0.01 | -40 | 4.5 |
| 65A | 64 | 400 | 4000 | 110 | 0.01 | -40 | 6.1 |
| 80A | 76 | 400 | 4000 | 120 | 0.01 | -40 | 6.4 |
| 100A | 102 | 400 | 4000 | 170 | 0.01 | -40 | 7.8 |
| 125A | 127 | 400 | 4000 | 210 | 0.01 | -30 | 11 |
| 150A | 152 | 500 | 4000 | 250 | 0.01 | -Ten | 15 |
| 200A | 203 | 500 | 4000 | 330 | 0.01 | -Ten | 19 |
*1. Length L is elastic, so there is an error of about ±10%.
*2. Weight is a guideline.
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 |
*Please contact us if the rubber material is other than CR.
<Remarks/Precautions>
- If the fluid is liquid and the joint is used in an overhead pipe, the weight of the internal fluid may cause the joint to sag.
- The inner surface is also uneven, and solids may accumulate, so please be careful when using slurry fluid.
- Due to the thin body thickness, it cannot be used for abrasive fluids.
- Due to the high flexibility of the main body, it may protrude sideways when pressurized.
- 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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