ASTM C425 – Standard Specification for Compression Joints for Vitrified Clay Pipe and Fittings
This specification covers materials and test requirements for compression joints for vitrified clay pipe and fittings. See Specification C700 for pipe specifications.
The test requirements are applicable to pipe joint assemblies prior to field installation of pipe.
angular joint; bell; chemical resistance; clay pipe; compression joints; corrosion resistance; couplings; deflection; joints; sealing elements; shear; testing