In industrial environments with high speed, high dust concentration,high temperature and high corrosivity, it is easy to cause damage to rubber seals and sealing materials for valves with soft seals. Therefor, it require valves that are made with unmatched safety and resistance in mind. COVNA PTFE valves improve existing sealing materials and increase their service life. We have been manufacturing custom valves capable of handling the most demanding chemical processing applications for years.