supply of wafer-type butterfly , wafer-type butterfly valve - round flange, size - 100 nb, end connection - wafer type, appl ication - oil line, body material - cast iron, dimensional details (all dimensions are in mm):- flange outer d ia. (od) - 215, seat outer dia. (od) - 105 pcd (pitch circle diameter) - 180, sealing dia. - 95, mounting hol e centre to centre distance - 145 hole dia. - 18, no. of holes - 4 bolt holes positioning - 90 degree spacing disc dia. - 136, face to face thickness - 95 liner thickness - 3, total valve body thickness - 40 valve body inner portion thickness - 16 shaft centre spacing/mounting gap - 75 overall height of valve - 242, material of construction:- cap bolt (m8) - stainless steel/ mild steel, cap - aluminium, locking pin - mild steel, wash er - teflon, thrust nut - mild steel, o ring - nitrile rubber, top pin - mild steel, rivet - mild steel, disc - mild steel, bottom pin - mild steel, valve body - cast iron, stop pin - mild steel. required make :- petson or sim ilar [ warranty period: 30 months after the date of delivery ] ]