The rotary valve “MD-S” was developed to meet the need for a fully AISI316 stainless-steel valve series featuring standardized UNI PN10 round flanges. It is designed for installations as a explosion-protection device, preventing the risk of propagation.The rotary valve “MD-S” is in accordance with the restrictive European norms “Explosion Isolation Systems” – EN 15089, with resistance certified until 1,7 bar with vulkollan tips rotor and 2,5 bar with steel tips.