Design Standard: BS EN14525 Material conform to EN-GJS500-7. Center Sleeve conform to S235JR Working Pressure: PN10.PN16 Bolts/Nuts: Galvanized Steel, Dacomet Coating, Hot Dip Galvanizing to ISO898-1, ISO898-2 Rubber Gasket : EPDM to EN681-1, NB R to EN682 WRAS approved FBE coating and Rubb er also available on request. High Tolerance Mechanical Pipe Fittings. Angular deflection +/- 6°.