Valves of butterfly bi - eccentric: from DN - 150 until DN - 3.000
Proinval Has of valves BVP -79BX of butterfly bi - eccentric.
Between his technical characteristics stand out: construction in ductile smelting GJS400 and GJS500, PN - 10/16/25/40, from DN - 150 until DN - 3.000, norms of manufacture DIN 3202 F - 4/BS5155 and extremes of bridas DIN PN - 10/16.