Valves of retention of capleta and type butterfly: from DN - 50 until DN -1.800
Proinval Has of valves BVP -71C/ BVP - 71 of retention of clapeta and type butterfly.
Between his technical characteristics stand out: construction in ductile smelting GJS400, elastic closing PN- 10/16/25, from DN - 50 until DN -1.800 and extreme bridas DIN PN - 10/16/25.