The SPTD single pipe plug diverter valve is specially designed to route powders and pellets with minimum degradation in pneumatic conveying systems. Precision machining, proper sealing, and an obstruction-free internal geometry guarantee a smooth passage of the product. The user-friendly, foolproof design enables quick on-site internal examination, cleaning and, when necessary, replacement of seals. The design of the SPTD plug diverter valve complies with all current workplace safety legislations. As such, the exterior of this diverter valve is free of moving parts.