Valves of threaded ball: from DN-1/4” until DN -4”
Proinval Has of valves BVP -16L/BVP-17/BVP-18/BVP-15 of threaded ball.
Between his technical characteristics stand out: in stainless steel/carbon/one, two/three pieces and three roads happen L/T, from DN-1/4” until DN -4”, PN - 56/63 thread DIN 259/NPT/SW/BW.