SMP Mixproof Valve SMP mixproof valves are a simplified alternative to Unique mixproof valves. Designed as a cost-effective solution that stil gives you the advantages of mixproof valves.     Unique mixproof valve The Unique double-seat mixproof design makes it easy to stream two different products or fluids of virtually any kind through the same valve at the same time, without any risk of cross-contamination.                 Unique PMO mixproof valves The Optimum Solution for Dairies.     Unique Tank Outlet The modular design gives you the perfect valve for your exact needs in all mixproof tank outlet operations allowing two different products in pipeline and tank.