Needle shut-off (NSO) nozzles are used to process thermoplastics and liquids. Clean shut-off of melt and reliable closing during metering are the functions of an NSO nozzle. With the shut-off nozzle SYSTEM ENG ® was realized a professional single hole NSO, that meets all requirements for a trouble free and economic production of injection moulded parts.
The Needle shut-off nozzles SYSTEM ENG ® are obtainable in two types:
Easy construction
From few parts manufactured the NSO nozzle SYSTEM ENG ® offer substantial advantages in the handling
Þ Easy assembling
Þ Quick and easy cleaning
Þ Trouble free production
Single hole technology
The melt is led central by the nozzle needle
Þ Minimal pressure drop
Þ Optimised heat transport
Þ No shearing of melt
Modular system
Specific adapter for any client. The nozzle is always the same and is available from stock. This means shortest delivery time
Þ Quick change of nozzle
Þ Shortest delivery time
Þ Most economic solution
Shut-off in the nozzle tip
Þ No sprue, no drooling
Þ Controlled, clean shut-off of the melt stream
Þ Reduced cycle times
Compact design
Þ less space
Flexible system
For a fast changeover to various tools and machines there are available different tip lengths from stock
Þ Different penetration
Þ Same nozzle tip