How to design laminated ring seal for triple eccentric butterfly valve. I have to design laminated ring - stainless steel/PTFE - how many layers, wich one is first, thickness of the layers etc.  New international suppliers usually attend trade shows with a camera and a ruler.AND Sorry to say this but have to be honest.  Nobody but a disgruntled employee is going to give away hard earned technology.  Companies who have this knowledge have either spent their time hard earned time money testing to learn this information, or have purchased a competitive product and reverse engineered.  Either way, it is highly unlikely someone is just going to tell you.  You will have to do the work. Experienced it first hand many times.  Fortunately, most often, only the "how" is sent overseas.  The real valuable part "why" usually doesn't.  When there is a problem with the outsourced stuff, people come begging for the "why".

MORE NEWS