Flanged, Buttweld, Socket weld, Hydraulic hose tail (Crimping) end connections possible. Exotic material grades like Inconel, Hastelloy, Monel, Titanium, Duplex and Super duplex Steel. NACE MR 0175/ISO 15156 compliant material. https://jayenterprisesindia.com/quick-release-coupling-jay-enterprises-india/