The universal coupling can joint with PE pipe, PVC pipe, D I pipe, AC pipe, C I pipe and steel pipe. 

DN	L	D	OD	Type of Pipes
80	164	189	88-103	UPVC;DI;CI;AC;STEEL
100	166	215	108-128	UPVC;DI;CI;AC;STEEL
150	170	277	158-182	UPVC;DI;CI;AC;STEEL
200	174	325	218-235	UPVC;DI;CI;AC;STEEL
250	176	379	271-289	UPVC;DI;CI;AC;STEEL
300	172	453	322-350	UPVC;DI;CI;AC;STEEL