Offering expansion joint. Tied Universal Assemblies are similar in construction to a Universal Assembly except that tie rods absorb pressure thrust and limit movements to lateral offset and angulation only. Its details: Model: DN32-DN3000; Pressure: 0.1Mpa-2.5Mpa.; Connection: Flange, weld ends; Axial movements: 72mm-500mm. Our products have passed ISO 9001, GBT9001-2000 Quality Management system Certificate, Manufacture License of Special Equipment, and as a first-class supplier of China National Petroleum Corporation. We follow strict quality control procedures to ensure that its commodity meets industry standards as applicable GBT12777-2008 and EJMA.