... full cone and hollow cone spraying ,ideal for firefighting,cooling tower system.Large flowrate,spray angle Spiral ... 2) Material: Teflon ,stainless 303,stainless316,POM,PP for chosen.3) NPT or BSPT male thread4)Full cone ... spray angles ranging from 60° to 170°5) Liquid flow rate: 5.5 ¨C 4140L/min at ... 3 bar6) Compact, permit maximum liquid throughput for a given pipe size7) The free passage design ...