Fiberglass reinforced plastic ribbed pipe straight joint

The invention relates to a fiberglass reinforced plastic ribbed pipe straight joint, which is characterized in that the straight joint has a cylindrical shape and is formed of upper and lower cylindrical bodies connected by a bolt, there are internal threads on the inner wall of the joint, the outer wall of the joint has a smooth surface, flanges for connection are arranged on the left and right sides of the upper and lower cylindrical bodies, a gasket is arranged between the flanges, the upper and lower flanges and the gasket are connected via a bolt, internal threads for connection with a fiberglass reinforced plastic ribbed pipe are embedded in the inner cavities at the left and right ends of the joint, the tube inside diameter of the ribbed pipe straight joint is 50-1,000mm, and the ribbed pipe straight joint is made from a fiber reinforced thermosetting resin molding material SMC (sheet molding compound) or BMC (bulk molding compound) by hot pressing. Compared with prior arts, the inventive straight join