GB9116.5-88

GB9116.5-88
PN1.6Mpa(16bar)Convex faced necked flat welded steel pipe flanges

Nominal Diameter DN	Tube outer diameter A	Connection size					Sealing surface		Flange thickness C	Flange height H	Flange neck		Inner diameter of flange B	Theoretical weight kg
		flange outer diameter D	centre-to-centre spacing K	Bolt aperture L	bolt
					number n	thread Th	d	f			N	R
10	17.2	90	60	14	4	M12	41	2	14	20	30	3	18.0	0.51
15	21.3	95	65	14	4	M12	46	2	14	20	35	3	22.0	0.60
20	26.9	105	75	14	4	M12	56	2	16	24	45	4	27.5	0.93
25	33.7	115	85	14	4	M12	65	3	16	24	52	4	34.5	1.14
32	42.4	140	100	18	4	M16	76	3	18	26	60	5	43.5	1.75
40	48.3	150	110	18	4	M16	84	3	18	26	70	5	49.5	2.02
50	60.3	165	125	18	4	M16	99	3	20	28	84	5	61.5	2.78
65	76.1	185	145	18	4	M16	118	3	20	32	104	6	77.5	3.44
80	88.9	200	160	18	8	M16	132	3	20	34	118	6	990.5	3.82
100	114.3	220	180	18	8	M16	156	3	22	40	140	6	116.0	4.81
125	139.7	250	210	18	8	M16	184	3	22	44	168	6	141.5	6.15
150	168.3	285	240	22	8	M20	211	3	24	44	195	8	170.5	7.73
200	219.1	340	295	22	12	M20	266	3	24	44	246	8	221.5	9.85
250	273.0	405	355	26	12	M24	319	3	26	46	298	10	276.5	13.48
300	323.9	460	410	26	12	M24	370	4	28	46	350	10	327.5	17.39
350	355.6	520	470	26	16	M24	429	4	30	57	400	10	359.0	27.45
400	406.4	580	525	30	16	M27	480	4	32	63	456	10	411.0	38.10
450	457.0	640	585	30	20	M27	548	4	34	68	502	12	462.0	43.32
500	508.0	715	650	33	20	M30	609	4	36	73	559	12	513.5	58.45
600	610.0	840	770	36	20	M33	720	5	38	83	658	12	616.5	80.47

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