SES Spring Operated Shut-Off Nozzle
The needle which moves axially in the nozzle is held in the closed position by the force of the spring.
The melt pressure, coming out of the extrusion unit pushes back the needle and opens the hole for injection at 180 bar.
After the injection process and pressure decrease under 80 bar, the nozzle is closed again, according to the movement of the spring.
Spring type nozzles are only limited suitable for charged material like glasfiber.
Our system has a standard wear protection.
Advantages of the SE shut-off nozzle
Single hole technology
The melt is led central by the nozzle needle
- Minimal pressure drop
- Optimised heat transport
- Minimal shearing of melt
Easy construction
From few parts manufactured the SE shut-off nozzle offer substantial advantages in the handling
- Easy assembling
- Quick and easy cleaning
- Trouble free production
Shut-off in the nozzle tip
- No sprue, no drooling
- Controlled, clean shut-off of the melt stream
- Reduced cycle times
Intelligent design
- Compact
- Solid
Modular system
Specific adapter for any client. The nozzle is always the same and is available from stock. This means short delivery time
- Quick change of nozzle
- Shortest delivery time
- Most economic solution
Flexible system
For a fast changeover to various tools and machines there are available different tip lengths from stock
- Different penetration
- Same nozzle tip
Please call for pricing
