... "-40" 3.Flange varieties : plate. slip-on, welding neck, threaded, socket weld, lap-joint flange,blind flange, Forged flanges1.flange Material ... ,JIS,JPI,DIN,UNI,BS ect3.Flange varieties:plate flange.slip-on flange,welding neck flange,threaded flange,socket weld flange,lap ... as per customers requirement.10.OEM Service offered Forged flanges BS carbon threaded flange