1,Material:Carbon Steel 2,Standard:ASME, DIN, BS, JIS, JB, GB, 3,Cert:TUV,ISO9001:2000,NK,BV DIN 2533 flangesize 1/2" to 24" ASME B16.524"to 80" ASME B16.47Type WNF, SO, SWF, BL, OF,LF,PLFace RF, FF, MF, MFM, RJ, TG, RTJ, SRF,Pressure Class 150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, Estandard ASME B16.5, ASME B16.47, ASME B16.36,DIN 86341- ...