The Burgmer DN 150 TW butterfly valve with square, Vulkollan seal and stainless steel disc without hand lever offers a reliable and abrasion-resistant solution for shutting off pipelines in demanding industrial applications, with high tightness and durability.The TW Ebro DN 100 / 4" butterfly valve without hand lever and with steel disc offers a robust and reliable solution for shutting off pipes in industrial applications, with high durability and efficiency.