设计说明
针对原有产品发热板发热时更换模头困难的问题，打破传统，自主创新 ，着重针对日常最常用的20mm、25mm、32mm大小模头进行重新设计得出的造型，其简单、方便、不用频繁更换安装模头，解决了PPR管安装工人在工作时模头更换难的问题。

In hot plate fever of original products, replacement die difficult problem, break the traditional, independent innovation, mainly against the most common daily 20mm, 25mm and 32mm size touching someone redesign of modeling, it’s simple, convenient, need not frequent replacement installation touching someone, solved the PPR pipe installation workers are at work, the difficulty of die head replacement.