DN		150Lb（P R）凸面法兰 RF
mm	in	L	D	D1	D2	b	n-d	H	D0
15	1/2	108	89	60.5	35	11.2	4-16	59	130
20	3/4	117	98	69.9	43	12.7	4-16	63	130
25	1	127	108	79.2	51	14.2	4-16	75	160
32	5/4	140	117	89.0	63	16.0	4-16	95	160
40	3/2	165	127	98.6	73	17.5	4-16	107	160
50	2	178	152	120.7	92	19.0	4-19	155	200
65	5/2	190	178	139.7	105	22.4	4-19	164	200
80	3	203	190	152.4	127	24.0	4-19	182	200
100	4	229	229	190.5	157	24.0	8-19	226	300
125	5	356	254	216.0	186	24.0	8-22.5	230	300
150	6	394	279	241.3	216	25.4	8-22.5	250	500
200	8	457	343	298.5	270	28.4	8-22.5	280	500
250	10	533	406	362.0	324	30.2	12-25.4	320	600