a-collection AVI 1484 Butterfly Valve wafer GGG40/316/NBR. Butterfly valves LUG and Wafer (Technique / Industrial valves / Butterfly valves). Principal data: dn dimension 125, pressure pn 16 bar, top flange F07 -14 mm. Supplied under manufacturer part number 4017389, HS code 8421.99, country of origin China.