Rating Key: A+: Excellent, A: Good, B: Fair / Acceptable, C: Poor
Single-layer vs. Double-layer Bellows Multi-layer Bellows Cross-section The wave height, wall thickness, and number of layers decide how a metal bellow works. A higher wave gives more flexibility and movement, but the pressure resistance becomes lower. A thicker wall can take more pressure but makes the bellow harder to move. We usually choose the structure based on your working condition.
Single-layer bellows are light and flexible. Multi-layer types are stronger and last longer, but they are heavier and cost more. They are used in systems with high temperature, vibration, or pressure changes.
YDCT can produce bellows by hydraulic forming, roll forming, or edge welding. Each method fits different sizes and applications. Hydraulic and roll forming are common for exhaust or industrial use, while edge-welded bellows are used for vacuum or precision equipment.
Ends can be made with flanges, threaded fittings, or welded pipes. YDCT can also follow your drawings or samples. The temperature and pressure range depends on material and layer number.
Our factory makes bellows for automotive exhaust, industrial machinery, HVAC, and other systems. The products are made under ISO 9001 quality control and designed for long working life without leakage or pollution. |