B2 45°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
B291-3-3	4	-3	4.8	4	58	17	2	6
B291-4-4	6	-4	6.3	6	65	19	3.6	8
B291-5-5	8	-5	8	8	67	20	5	10
B291-6-6	10	-6	10	12	72	22	6	14
B291-8-8	13	-8	13	14	80	23	8	15
B291-10-10	16	-10	16	16	86	25	11	17