... SiC/SISIC 2. Nozzle Structure: one-piece construction no internal parts. 3. Spray Patterns: full cone spiral or hollow cone spiral spray. ... 316L Spiral Nozzle, Brass Spiral Nozzle, PP Spiral Nozzle, PVC Spiral Nozzle, PTFE/Teflon Spiral Nozzle, Ceramics Spiral Nozzle, SiC/Silicone Carbide Spiral Nozzle, etc. ... guarantee, professional supplier, all-round technique assistace. Full Cone Spiral Nozzle