The Parflange F37 non-welded piping system utilizes orbital tube forming technology for tube assemblies 1/2” thru 6” flanges. Where there is no possibility to assemble a pre-flared tube, Parker provides the F37 Retaining Ring System, which also offers leak free performance & is available up to 10”. The system reduces piping system costs, and is applicable for numerous industries, including energy, mining, metals processing, testing systems and more. F37 Piping systems have numerous advantages, such as no ‘weld-induced’ contaminants, minimizes concerns of stress cracks of weld joints, Chrome-6 Free carbon steel, and more. It is also compliant with applicable ISO and SAE standards.