... ,ISO9001:2000,NK,BV DIN 2533 flangesize 1/2" to 24" ASME B16.524"to 80" ASME B16.47Type WNF, SO ... ,PN25,PN40/ Class A, B, C, D, Estandard ASME B16.5, ASME B16.47, ASME B16.36,DIN 86341-2000, DIN2505material ... A694 F42,F46,F52,F56,F60,F65,F70, A182 F12,F11,F22,F5,F9,F91,F1ECT)qualification ISO9001:2008 Quality Mangement ...