| Approval: | U | CSA C/US IS Cl.I,II,III Div.1 Gr.A-G, Cl.I Div.2 Gr.A-D, Ex ia, C: zone 0,1,2/ US: zone 0,1,2,20,21,22 | 
| Process Connection: | MR | DIN11851 DN50 PN25, 316L, flush mount, slotted-nut, EHEDG, 3A are available in combination with seal NBR/EPDM only |