Application Nowadays regulations worldwide require procedures involving dynamic internal pressure load when testing pipes and pipe systems which are intended for hot and cold water or heating installations. GT-DPT Series are designed to determine the behavior of pipes and connections when subjected to cyclic pressure shock. It can satisfy your testing requirements of plastic pipes, such as PP-R, PP-H, PE, PEX, Composite pipe and fittings which shall not fail when subjected to 10000 cycles under alternating continuously pressure.