Full Faced Spherical Rubber Expansion Joint Features: -Full rubber flange surfaces provides a fulid&gas tight seal to make unnecessary for gasket -Allow for 4 way movements -Precision molded of synthetic rubber&nylon -Excellent ability to absorb vibration and sound -Perfect corrosion resistant Rubber Expansion Joint EPDM,NBR,NR, CSM,VITON,SILICON. Size:Size: DN32-DN3000 Pressure: PN10,PN16,PN25 Pressure Test: 15Bar, 24Bar,37.5Bar. End Flange:DIN2501, BS EN1092, BS4504PN16,JIS10K,ANSIB16.5 Flange Union Type: BSP, NPT. You can refer to http://www.hiwaflow.com for detail specifications,or send email to sales1@hiwaflow.com