| Model | JB-21 | JB-22 | |
| Size | 20 - 300 | ||
| Applicable fluid | Steam, air, gases, water and oils | ||
| Applicable pressure | Max. 1.0MPa | ||
| Applicable temperature |
Max. 220 Deg.C | ||
| Materials | Flange : Mild steel External sleeve : Stainless steel Internal sleeve & Bellows : Stainless steel |
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| Expansion amount |
Expansion | JB-21: 10mm | JB-22: 20mm |
| Contraction | JB-21: 25mm | JB-22: 50mm | |
| End connection | Loose Flanged JIS 10K | ||