Standard: DIN, ISO, SMS, IDF, 3A Size:DN38~DN102 Pneumatic reversal valve Application:pipeline system of Dairy, winery, food industery, pharmaceutical etc Type: L, T, LL, LT, TL, TT Material: SUS304 SUS316L Standard: DIN SMS ISO Size: 1 1/2" , 2" , 2 1/2",