Rubber flexible joint
PT CONNECTOR
2 Bellows
PT - a name well known for superior vibration,
displacement, and pressure‐resistant
2 Bellows rubber flexible joints
displacement, and pressure‐resistant
2 Bellows rubber flexible joints
PT CONNECTOR
2 Bellows
PT - a name well known for superior vibration,
displacement, and pressure‐resistant
2 Bellows rubber flexible joints
displacement, and pressure‐resistant
2 Bellows rubber flexible joints
Features
- 2 Bellows
- Excellent pressure resistance
- Replaceable flanges
Applicable lines
- Drainage
- Cold water
- Warm water
- Hot and cold water
- Air
- Sea water
- JIS10K
（May depend on the conditions. Please ask about air）
Usage range
Structure・Materials
| Number | Name | Material |
|---|---|---|
| ① | Flange | FCD |
| ② | Reinforcing ring | SWRH |
| ③ | Reinforcing cord | Synthetic fiber |
| ④ | External surface rubber | EPDM(SK10)(20A・25A) nCR(32A~300A) |
| ⑤ | Internal surface rubber | EPDM(SK10)(20A/25A) SBR+NR(32A~300A) |
Dimensions and allowable displacement amount
| Nominal diameter | Main body dimensions(mm) |
Mass (kg) |
Allowable displacement amount(mm) |
||||
|---|---|---|---|---|---|---|---|
| L | Φd | Eccentricity | Stretching | Contraction | Deflection（ ゜） | ||
| 20 | 120 | 25 | 0.8 | 15 | 10 | 15 | 15 |
| 25 | 120 | 25 | 1.2 | 15 | 10 | 15 | 15 |
| 32 | 175 | 35 | 1.7 | 20 | 10 | 20 | 20 |
| 40 | 175 | 35 | 1.7 | 20 | 10 | 20 | 20 |
| 50 | 175 | 45 | 2.2 | 20 | 10 | 20 | 20 |
| 65 | 175 | 60 | 2.8 | 20 | 10 | 20 | 20 |
| 80 | 175 | 70 | 3.0 | 20 | 10 | 20 | 20 |
| 100 | 225 | 95 | 4.1 | 25 | 15 | 30 | 20 |
| 125 | 225 | 120 | 6.1 | 25 | 15 | 30 | 20 |
| 150 | 225 | 145 | 7.9 | 25 | 15 | 30 | 20 |
| 200 | 325 | 195 | 14 | 30 | 20 | 40 | 20 |
| 250 | 325 | 245 | 21 | 30 | 20 | 40 | 20 |
| 300 | 325 | 290 | 26 | 30 | 20 | 40 | 20 |
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