... products have covered such industries as surface treatment,electronics,textile,iron&steel,pharmaceutical etc.The spiral spray nozzle deliver a full ... given size.cooling tower spiral nozzle features:1) Material: PP, SS, Brass and Teflon, more materials for choice;2) Spray Pattern ... HIGHLY WELCOMED! Spiral spray nozzle,cooling tower spiral nozzle,PP/SS/BRASS/TEFLON spiral nozzle