Pipe Ring Stiffness Testing Machine, is mainly used to determine ring stiffness,ring softness and compression of thermoplastic pies having circular cross-section. It conforms to the requirements of all kinds of plastic pipes, such as structured-wall pipes,PE corrugated pipes, helically wound pipes,etc.

Can meet the  Standards: The machine can meet ISO9969, ISO5893, ASTM D638, ASTM D790, ISO37, ASTM E4, ISO6892, ISO75000-1, EN 10002-4 standards and so on.