NPT threaded Flange Caps protector
Plastic flange cap protectors can be divided into five basic types based on the connection method with the pipe: flat welding flange, butt welding flange, threaded flange, socket welding flange, and loose sleeve flange. There are various types of sealing surfaces for flanges, generally including convex, concave, convex, tenon groove, full plane, and ring connection surfaces.Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
