Specification :

Rubber Expansion Joint
Main Products: Single Sphere Rubber Expansion Joint, Twin Sphere Rubber Expansion Joint, spool Type Rubber Expansion Joint, Heavy Duty Rubber Expansion Joint with DIN, BS, EN, JIS, ANSI Flanged Drilling and Twin Sphere Union Rubber Expansion Joint with BSP or NPT Threaded.
Size: DN32-DN3000
Material: EPDM, NBR, NR, Silicon.
Pressure: PN6, PN10, PN16, PN25.
Connection: DIN2576, BS4504 PN16, JIS10K, ANSI B16.5 Flange, BSP,NPT Thread.
You can refer to http://www.unicflow.com for detail specifications.