flange 1.cast steel and forge steel flange. 2.standard:ASME,ANSI,JIS,DIN 3.. type:slip on,welding flange1.cast steel and forge steel flange.2.standard:ASME,ANSI,JIS,DIN3. type:slip on,welding neck,blind,socket welding,plate.4.size: up to 2,500mm5.pressure:1) PN6,PN10,PN16,PN25,PN402)class150,300,600,900,15003)JIS5K,10K,16K,20K6.special design available7.Packing:wood case flange