That's why the selection concerning rubber and metal joints is depending on the chemical atmosphere and corrosion safety necessary. Risk-free from external damages due to any accidental external blows or others to impact the framework or method. When control rods are locked, the expansion joint won't take axial extension. It https://expansionjointinstallatio03468.ageeksblog.com/38035369/getting-my-squirm-in-bellows-to-work