Needle spray nozzle CY 38170 brass nozzles for main materials,filter ... . CY38170: Brass With ceramic core 2. CY38171: Needle header and CY38172 strainer 3. HRBY: Needle ruby core 4. TCK: Tungsten alloy 5 ... supply a precise ,clean cut.It can form a straight needle solid stream,It can work at high pressure of 140bar ... .This nozzles orifice material we have the SS316 and ceramic . Needle spray nozzle