NZL 0.85X70W DLVN SPL

21326 NZL 0.85X70W DLVN SPL 0.85 X 70W DLVN SPL 21326 0.85X70W Sintered Type W: Green Vial Top Type W "All Purpose" Type W “All purpose” nozzles are neither truly hollow nor solid. These nozzles frequently can be used in place of either solid or hollow cone nozzles between 0.40 and 8.00 GPH, regardless of the burner’s air pattern. The lower flow rates tend to be more hollow. Higher flow rates tend to be more solid. Type W: (Can be used in place of A or B types in reducing specific problems). Sintered filters Sintered filters (for lower gph nozzles) are made of thousands of tiny bronze pellets fused together into a most effective filtering medium of uniform thickness and density. Delavan nozzles are built according to precise spray controls and to high quality fabrication standards.