... flange Drawing:1)Size:1/2" to80" 2)Pressure:150LBs-2500LBs 3)Material:Stainless Steel 4)Certification:ISO,API,CE 5 ... , RJ, TG, RTJ, SRF,PressureClass 150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C ...