China Black Nylon Fabric Round Bellows with Guide Bushing and Reinforcement Rings, Find details about China Flexible Round Shield Cover, Three Fabric Bellow from Black Nylon Fabric Round Bellows with Guide Bushing and Reinforcement Rings
NP | Number of folds = P.A.÷AP+1 |
SP | Thickness of 1 fold |
AP | Opening of 1 fold = [(OD-ID)÷2-6]×1.2 |
MARKS: | When steel rings are required inside the folds, the P.C. is calculated by our engineering departement. |