On the part of deciding on the correct bellows materials or rather the joint configuration, it can be quite overwhelming. Well, with the reputable and experienced companies, they provide the clients with the best quality, best suited and long-lasting products at reasonable pricing. You should be able to contact your manufacturer to specify what your needs are. Designing a process to suit the needs of every customer is the best way to get the best product to the customers and is normally done at no additional pricing. It is therefore critical you understand your bellows expansion joints needs to ensure you get the best products.