1.good quality and competitive prices; 2.ISO9001&14001approved; 3.delivery timely 4.specification standard 5.high credibilit

OUR REQUIRED DIMENSIONS(ACCORDING GOST)
PN	DN	Mounting dimension			OD(outside diameter of the pipe),mm(dH)	Diameter of the raised face,D2	Bolts		Thickness			GOST Weight kg/pc
		Outside diameter,mm,D	Bolts holes axis diameter(centers of the opposite holes),mm D1	Inside diameter,mm(d)			Number of bolts'holes,n	Diameter of bolts'holes,mm(d)	flange ridge's height,rnm(h)	Total thickness(together with ridge's height)mm(h+b)	Thickness(without ridge's heighe),mm(b)
1.0	10	90	60	15	14	42	4	14	2	12	10	0.46
	15	95	65	19	18	47	4	14	2	12	10	0.51
	20	105	75	26	25	58	4	14	2	14	12	0.74
	25	115	85	33	32	68	4	14	2	14	12	0.89
	32	135	100	39	38	78	4	18	2	16	14	1.4
	40	145	110	46	45	88	4	18	3	18	15	1.71
	50	160	125	59	57	102	4	18	3	18	15	2.06
	65	180	145	78	76	122	4	18	3	20	17	2.8
	80	195	160	91	89	133	4	18	3	20	17	3.19
	100	215	180	110	108	158	8	18	3	22	19	3.96
	125	245	210	135	133	184	8	18	3	24	21	5.15
	150	280	240	161	159	212	8	22	3	24	21	6.62
	200	335	295	222	219	268	8	22	3	24	21	8.05
	250	390	350	273	273	320	12	22	3	26	23	10.65
	300	440	400	325	325	370	12	22	4	28	24	12.9
	350	500	460	377	377	430	16	22	4	28	24	15.85
	400	565	515	426	426	482	16	26	4	30	26	21.56
	500	670	620	530	530	585	20	26	4	32	28	27.7
	600	780	725	630	630	685	20	30	5	36	31	39.4
	800	1010	950	820	820	905	24	33	5	42	37	79.16
	1000	1220	1160	1020	1020	1110	28	33	5	48	43	118.43
	1200	1455	1380	1222	1222	1330	32	39	5	56	51	197.44
	1400	1675	1590	1420	1420	1530	36	45	5	65	60	278.92
	1600	1915	1820	1620	1620	1750	40	52	5	75	70	422.65

12820-80   12821-80 and so on