Absorb dimensional changes mainly caused by thermal expansion or contraction of a pipeline, duct, or vessel.
1. Nominal bore:(mm): 32, (Ins): 1¼. 2. Total length(mm): 350. 3. Bellows: (O.D.): 49, (Corr's No):36. 4. Axial movement(mm): +10 -40. 5. Force to compress(kg): 135. 6. Effective area(cm²): 17.9.