Seiki Corporation involved in Spear system for plastic injection industry for more than 30 years. Seiki hot runner system is suitable for many types of plastic resins such as commercial plastics, engineering plastics, reinforced plastics, etc.
Factory : Japan and Shenzhen, China.
Valve Gate System
Mechanical Valve Gate System incorporates a valve pin activated by pneumatic drive. We have full-line of valve gate including options, with the length up to 400mm, gate size of 0.8 – 8.0mm. Various kinds of valve gate in accuracy and function are available. Depends on application, valve gate with tip heater is available, too.
Spear System
The spear has a double heater structure consisting of a tip heater and a body heater. The spear tip has been modified to directly heat itself. There are a large variety of spears available to accommodate different resin types and applications.
SPT 7mm pitch: