HD flange gasket Asbestos-free Material: combination of NBR and quality aramid fibers Sizes according to EN 1514-1 Approvals: ELL, W270, DVGW, WRAS Available options Available Options: You may also like… Select optionsWelding neck flange EN 1092-1 Typ 11 (DIN 2631-2638) Select optionsSmooth flange EN 1092-1 Typ 01 (DIN 2573 / 2576) Select optionsBlind flange EN 1092-1 Typ 05 (DIN 2527) Select optionsThreaded flange EN 1092-1 Typ 13 (DIN 2566)