SERIES 310 HomeFlexible ConnectionsMercer Rubber Expansion JointsSleeve Style Hand Wrapped JointsSeries 310 Series 310 Since sleeve type expansion joints cannot be readily protected with control rods, it is IMPERATIVE that piping be axially aligned, properly guided and PROPERLY ANCHORED.Periodic tightening of clamps may be necessary. Style – 311 Read more Style – 312 Read more Style – 313 Read more Style – 314 Read more Data Sheet Material & Operating Temperatures Series 310 Tube Cover Max Oper. Temp. B Butyl Butyl 250°F E EPDM EPDM 250°F H Hypalon Hypalon 225°F HN Hypalon Neoprene 225°F N Neoprene Neoprene 225°F NH Neoprene Hypalon 225°F Ni Nitrile Nitrile 210°F NiN Nitrile Neoprene 210°F NR Neoprene Natural 225°F R Natural Natural 180°F RN Natural Neoprene 180°F V Viton® Viton® 250°F