The union joint (nut, screwed joint and bold joint) is forged with stainless steeland precision-finished with a CNC lathe. The high accuracy and adaptability canbe ensured in mass production. Feather: 1) Suitable for connecting all specifications and sizes of the pipelines. 2) Reliable connecting function, high intensity of interfaces, good hermetic function,and stable fusion function. 3) Not easily affected by the temperature change of the environment and human factors.MS Circle Screw,union, sanitary union, stainless steel union, ferrule ,sanitary ferrule, stainless steel ferrule.