Butterfly valves --- RKS (trademark) Valve type: centre line type metal / soft seal butterfly valves, single-eccentric centre metal / soft seal butterfly valves, double-eccentric centre metal / soft seal butterfly valves, three-eccentric centre metal / soft seal butterfly valves Dn (mm): dn50 ¨c dn1600 Pn(mpa): 1.0-2.0mpa ( pn10, pn16, pn20 / 10bar, 16bar, 20bar, etc.) Body materials: ductile iron (ggg40), cast iron/steel, cr.Mo steel, stainless steel A351-cf3, cf3m, cf8, cf8m ; a216-wca, wcb, wcc; a352-lcb, a105; astm b148 uns c95400 ( aluminum bronze ); cast bronze astm b 584 alloy c84400; brass astm b 16 alloy c36000 Disc materials: cast iron/steel, alloy steel, cr.Mo steel, stainless steel a276-ss304, ss316l, 1.4529, 1.4469 , alloy 926, astm b148 uns c95400 ( aluminum bronze ); cast bronze astm b 584 alloy c84400; brass astm b 16 alloy c36000 Stem materials : 2cr13, 1cr13, cr.Mo.Steel, b 150 uns c64200 (alu-bronze), etc Seat / seal materials : Epdm, Fpm, Ptfe, Cr, Nbr, Nr, Vsi, Vinton, etc. End connection: flange, welding / solder, wafter, lug Actuated type: handle, worm gear, electric actuator, pneumatic, hydraulic. Application fields and suitable medium/ temp/flowrate will be further discussed. Standard exporting package, wooden pallet, wooden box, PVC.