... '' * 150lbs 2.Material: A105 3.Standard:ANSI B16.5 astm a105 ansi b16.5 slip-on flangessize 1/2" to 24" ASME ... B16.5 24"to 80" ASME B16.47TypeWNF, SO, SWF, BL, OF,LF,PLFaceRF, FF, MF, MFM, RJ ... ,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME B16.36,DIN2505,EtcMaterialCarbon steel(ASTM ...