Expansion joints

Version	Type series	Nominal diameters	Pressure ratings	Special characteristics / Main areas of application
Axial/universal expansion joints for low pressure (exhaust gas) With flanges With weld ends	ABG/AFG UBG/UFG ARG/URG	DN50 – DN3000	PN1	Expansion joints without bracing as an inexpensive version for exhaust gas lines with small adjusting force rates and large movement absorption
Axial/universal expansion joints With flanges With weld ends	ABN/AFN UBN/UFN ARN/URN	DN50 – DN2000	PN2.5 – PN40	Expansion joints without bracing for pipeline and plant engineering with small adjusting force rates and large movement absorption
Angular expansion joints as single/gimbal joint With swivel flanges With smooth fixed flanges	WBN/WBK WFN/WFK	DN50 – DN800	PN6 – PN25	Large bending angle, short lengths for installation in chemicals plants
Angular expansion joints as single/gimbal joint With weld end	WRN/WRK	DN50 – DN800	PN2.5 – PN63	Large bending angle, short lengths for use in pipeline and plant engineering
Lateral expansion joints, flexible in all directions (circular plane) With lap-joint flanges With smooth fixed flanges	LBR LFR	DN50 – DN500	PN6 – PN25	Flexible in all directions in the circular plane, for use in pipeline and plant engineering, as machine connectors
Lateral expansion joints, flexible in all directions With weld end	LRN LRR/LRK	DN50 – DN2000	PN6 – PN63	Compact design, small adjusting force rates, for use in pipeline and plant engineering
Sound-insulating expansion joints With swivel flanges With tie rods and lap-joint flanges	ABS LBS	DN40 – DN300	PN6 – PN16	Sound-insulating design for use on vibrating installations, pumps
Axial expansion joint with PTFE lining With swivel flanges	ABT	DN32 – DN600	PN10 – PN25	Multi-ply bellows of stainless steel lined with a relatively thick PTFE liner, for extremely aggressive conditions, e.g. chemicals plants
Single-ply expansion joint for apparatus engineering	AON	DN100 – DN3000		Thick single ply for direct welding with the container wall, high lateral stability