**Welding flange ("CL-150-RF-6")** is a type of connector that is commonly used in piping systems and industrial equipment. This type of flange has a standard that is designed based on it and is usually used to connect pipes, pumps and other equipment. **Class 150** for weld flange is equal to **Nominal pressure (PN) 16 bar**. Also according to class 150, at least
