GOST/ГОСТ 12821-80 FLANGE PN2.5MPa WN RF

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GOST/ГОСТ 12821-80 FLANGE PN2.5MPa WN RF

GOST/ГОСТ 12821-80 FLANGE PN0.6MPa WN RF

GOST/ГОСТ 12821-80 FLANGE PN2.5MPa 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 PN2.5MPa PLRF

Проход усло-вный Dy	d1	b	h4	Dm	Dn	Масса. кг
Проход усло-вный Dy	d1	b	h4	Dm	Dn	с соедини-тельным выступом	с выст-упом	с впад-иной	с ши-пом	с пазом
10	8	14	33	26	15	0.68	0.69	0.66	0.68	0.67
15	12		33	30	19	0.79	0.78	0.75	0.80	0.78
20	18		34	38	26	0.97	0.99	0.93	0.97	0.95
25	25		36	45	33	1.18	1.19	1.13	1.16	1.15
32	31	16	43	56	39	1.83	1.85	1.78	1.81	1.80
40	38	16	45	64	46	2.19	2.16	2.10	2.11	2.15
50	49	17	45	76	58	2.78	2.76	2.47	2.69	2.75
65	66	19	50	96	77	3.71	3.62	3.60	3.55	3.62
80	78	19	52	110	90	4.44	4.32	4.27	4.26	4.48
100	96	21	58	132	110	6.51	6.58	6.27	6.41	6.49
125	121	23	65	160	135	9.41	9.45	9.14	9.27	9.37
150	146	25	68	186	161	12.52	12.56	11.90	12.01	12.17
(175)	177	25	70	216	196	13.88	13.94	13.63	13.65	13.83
200	202	27	75	245	222	17.44	17.21	16.86	16.36	16.62
(225)	226	29		270	248	21.56	21.68	21.15	22.54	22.86
250	254	29		300	278	24.40	24.08	23.27	25.37	25.74
300	303	32	80	352	330	33.29	32.40	31.94	32.42	33.16
350	351	36	85	406	382	46.57	45.60	44.68	45.40	46.23
400	398	40	100	464	432	64.81	63.58	62.41	63.48	64.59
(450)	450	42		515	484	72.26	71.60	70.70	70.80	71.95
500	500	44		570	535	88.91	88.20	86.50	86.48	88.08
600	600	49	115	670	636	123.70	122.00	105.70	119.50	122.17
(700)	690	53	125	766	726	166.81	164.02	162.70	157.53	160.82
800	790	55	135	874	826	213.90	211.00	209.00	210.00	214.68
(900)	892	57	145	980	926	252.91	–	–	–	–
1000	992	59	150	1084	1028	312.12
1200	1192	62	160	1288	1228	387.50