The DelavanR spray nozzles are designed for descaling of primary metal products. Among them are the Models DE, DQ, and DL nozzles in standard inlets of 3/4" and 1"NPT. They have a maximum rated pressure of 4000 psig. Models DE and DQ have maximum flow capacities of 70 gal/min and standard spray angles ranging from 25Yê to 32Yê. Both feature long-life tungsten carbide inserts. The model DL provides highly uniform flat spray pattern with a knife-like cutting edge. Maximum flow capacity is 57 gal/min, and standard spray angle is 32Yê.