GOST/ГОСТ 12821-80 FLANGE PN1.0MPa WN RF

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GOST/ГОСТ 12821-80 FLANGE PN1.0MPa WN RF

GOST/ГОСТ 12821-80 FLANGE PN1.0MPa WN RF

GOST (Russian: ГОСТ) refers to a set of technical standards maintained by the Euro-Asian Council for Standardization, Metrology and Certification (EASC), a regional standards organization operating under the auspices of the Commonwealth of Independent States (CIS).
All sorts of regulated standards are included, with examples ranging from charting rules for design documentation to recipes and nutritional facts of Soviet-era brand names (which have now become generic, but may only be sold under the label if the technical standard is followed, or renamed if they are reformulated).
The notion of GOST has certain significance and recognition in the countries of the standards’ jurisdiction. Russian Rosstandart government agency has gost.ru as website address.

Dimensions & Masses GOST 12821 FLANGE PN1.0MPa WNRF

Проход услов-ный Dy	d1	b	h4	Dm	Dn	Масса, кг
Проход услов-ный Dy	d1	b	h4	Dm	Dn	с соедини-тельным выступом	с выст-упом	с впад-иной	с ши-пом	с пазом
10	8	10	33	25	15	0,50	0,50	0,48	0,50	0,49
15	12	10	33	30	19	0,58	0,58	0,54	0,57	056
20	18	12	36	38	26	0,87	0,87	0,81	0,87	0,83
25	25	12	38	45	33	1,05	1,05	0,98	1,03	1,02
32	31	13	40	55	39	1,54	1,53	1,45	1,50	1,49
40	38		42	62	46	1,83	1,78	1,71	1,74	1,78
50	49		42	76	58	2,26	2,23	2,15	2,15	2,21
65	66	15	45	94	77	3,17	3,11	2,92	3,06	3,14
80	78	15	47	105	90	3,67	3,60	3,46	3,54	3,65
100	96	17	48	128	110	4,70	4,70	4,49	4,50	4,54
125	121	19	57	156	135	6,71	6,58	6,27	6,12	6,23
150	146			180	161	8,17	8,20	7,77	8,80	8,90
(175)	177			210	196	9,71	9,57	9,09	9,36	9,49
200	202		58	240	222	11,35	11,00	10,47	10,28	10,32
(225)	226		60	268	248	13,24	13,04	12,40	12,64	12,83
250	254	21		290	278	14,64	14,39	13,86	13,64	13,83
300	303	22		345	330	18,66	19,30	17,70	18,52	18,90
350	351			400	382	24,00	21,70	22,56	22,70	23,00
400	398			445	432	30,00	30,35	27,65	28,00	28,50
(450)	450		65	500	484	33,33	34,69	31,30	31,21	31,83
500	501	24		550	535	39,20	40,00	37,00	36,91	37,60
600	602	24		650	636	48,80	50,00	46,60	45,52	48,70
(700)	692	25		744	726	65,26	64,70	60,50	59,86	62,28
800	792	27	75	850	826	87,24	86,10	80,40	81,25	84,28
(900)	892	29	80	950	926	103,02	–	–	–	–
1000	992	29	80	1050	1028	119,19
1200	1192	33	90	1256	1228	179,91