B4 90°中弯头芯

接头芯型号 XXXX-XX-XX	软管内径			钢管外径D thread	A mm	H mm	D0 mm	S mm
	DN	size	mm
B491-3-3	4	-3	4.8	4	47	30	2	6
B491-4-4	6	-4	6.3	6	52	32	3.6	8
B491-4-5	8	-5	8	6	54	35	3.6	10
B491-5-5	8	-5	8	8	54	35	5	10
B491-6-6	10	-6	10	12	59	40	6	14
B491-8-8	13	-8	13	14	81	43	8	15
B491-10-10	16	-10	16	16	85	47	11	17