... :Slip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate,etcDimensions:DN10-DN2000Pressure:150lbs-2500lbsPressure grade:0.25MPa- ... -1991,DIN 2615-1992, DIN 2615-1992Applications:Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etcPacking:wooden box, wooden pallet,bundle,and ... production process are made under the ISO9001:2000 strictly. Lap Joint Flange