Size: DN50 to DN1800. Design Standard: BS EN545, ISO2531 Material conform to EN-GJS500-7. Working Pressure: PN16 Rubber Gasket : EPDM to EN681-1, NBR to EN682 WRAS approved FBE coating and Rubber also available on request. High temperature is available on request. Un-Restrained Dismantling Joint without Tie-bar.