EN1092-1 Flanges standard is European flanges norm, using in Italy, Spain, Portugal, Poland, Romania, Czech, Norway, Germany, France, Hungary, UK and so on, EN1092-1 flanges pressure for PN6 PN10 PN16 PN25 PN40 PN63 PN100 and more, we supply EN1092-1 flanges size from DN15 to DN2200 max, carbon steel and stainless steel both supply.