Clamp union available in 3A-sanitary, Aseptic-Clamp Connection DIN 11864-3 Form A and Hygienic-Clamp Connection DIN 11863-3 with selection of short, long and thick welding ferrule. The parts including clamp ring, high pressure clamp ring, welding ferrule, ferrule adapter, clamp nut, clamp liner and blind/cap and gasket with FDA compliance. The surface finishes as machined with Roughness average (Ra) of ≤ 0.8μm.