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Bellows are cylindrical thin-walled elastic elements with multiple transverse corrugations.These ripples can enable the pipe to stretch, bend, or undergo elastic deformation in theaxial direction (length direction) when subjected to pressure.
| Specification | Copper tube | Insulation tube | Suitable for | Length(m) |
| Out diameterxthickness | Inner diameter(mm) | |||
| d2×2/dlxt1(mm) | ||||
| 1/4"+3/8" | 6.35×0.8+9.52×0.8 | φ8(±0.5)+pl2(±0.5) | 1HP | 3-30 |
| 1/4"+1/2" | 6.35×0.8+12.70×0.8 | φ8(±0.5)+p14(±0.5) | 1.5HP | 3-30 |
| 1/4"+5/8" | 6.35×0.8+15.88×1.0 | φ8(±0.5)+pl8(±0.5) | 2HP | 3-30 |
| 3/8"+5/8" | 9.52×0.8+15.88×1.0 | φ12(±0.5)+p18(±0.5) | 3HP | 3-30 |
| 3/8"+3/4" | 9.52×0.8+19.05×1.0 | φ12(±0.5)+p22(±1) | 4HP | 3-30 |
| 1/2"+3/4" | 12.70×0.8+19.05×1.0 | φ14(±0.5)+p22(±1) | 5HP | 3-30 |
