metal bellows ,Straight tube on both ends Production length: 100mm-3000mm metal bellowsUsed in medicine, chemicals, machinery, electronics, aviation and other fields. Apply to the vacuum piping system.Straight tube on both endsProduction length: 100mm-3000mm No.PartsMaterials1Connection tubeSUS304/316L/SS4002BellowsSUS304/316L/321 Inside nominal diameterHelium leakage rateProduct ...