Carbon Flanges

Also known as a screwed flange, the threaded flange is similar to the slip-on except the bore is threaded. The main benefit of this flange is that it can be assembled without welding, facilitating use in low pressure services at ordinary temperatures, and in highly volatile areas where welding is hazardous.
threaded pipe flanges are similar to slip-on pipe flanges except the bore of threaded pipe flange has tapered threads. Threaded pipe flanges are used with pipes that have external threads. The benefit of these pipe flanges is that it can be attached without welding. Threaded pipe flanges are often used for small diameter, high pressure requirements.