GOST 12821-80 PN2.5 Welding Neck Flanges Pressure PN 2.5 МPа

EO flange has provided GOST 12821-80 PN2.5 Welding Neck Flanges. We Manufacture, Export and Supply Flanges which meets with national and international quality standards and producing base which owns equipments conforming to international technical level and is well equipped with a whole set of...

Product Details

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Pressure PN =2.5 МPа (25 kgf/cm²)
Description	D, мм.	D1, мм.	d, мм.	Dm, мм	Dn, мм	d1, мм.	b, мм.	h4, мм.	Ot., Pcs.	Weight, kg.
Flange GOST 12821-80 1-15-25 ст.3 (20)	95	65	14	30	19	12	14	33	4	0,79
Flange GOST 12821-80 1-20-25 ст.3 (20)	105	75		38	26	18		34		0,97
Flange GOST 12821-80 1-25-25 ст.3 (20)	115	85		45	33	25		36		1,18
Flange GOST 12821-80 1-32-25 ст.3 (20)	135	100	18	56	39	31	16	43		1,83
Flange GOST 12821-80 1-40-25 ст.3 (20)	145	110		64	46	38	16	45		2,19
Flange GOST 12821-80 1-50-25 ст.3 (20)	160	125		76	58	49	17	45		2,78
Flange GOST 12821-80 1-65-25 ст.3 (20)	180	145		96	77	66	19	50	8	3,71
Flange GOST 12821-80 1-80-25 ст.3 (20)	195	160		110	90	78	19	52		4,44
Flange GOST 12821-80 1-100-25 ст.3 (20)	230	190	22	132	110	96	21	58		6,51
Flange GOST 12821-80 1-125-25 ст.3 (20)	270	220	26	160	135	121	23	65		9,41
Flange GOST 12821-80 1-150-25 ст.3 (20)	300	250		186	161	146	25	68		12,52
Flange GOST 12821-80 1-200-25 ст.3 (20)	360	310		245	222	202	27	75	12	17,44
Flange GOST 12821-80 1-250-25 ст.3 (20)	425	370	30	300	278	254	29	75	12	24,4
Flange GOST 12821-80 1-300-25 ст.3 (20)	485	430	30	352	330	303	32	80	16	33,29
Flange GOST 12821-80 1-350-25 ст.3 (20)	550	490	33	406	382	351	36	85		46,57
Flange GOST 12821-80 1-400-25 ст.3 (20)	610	550	33	464	432	398	40	100		64,81
Flange GOST 12821-80 1-500-25 ст.3 (20)	730	660	39	570	535	500	44	100	20	88,91
Flange GOST 12821-80 1-600-25 ст.3 (20)	840	770	39	670	636	600	49	115	20	123,7
Flange GOST 12821-80 1-800-25 ст.3 (20)	1075	990	45	874	826	790	55	135	24	213,9
Flange GOST 12821-80 1-1000-25 ст.3 (20)	1315	1210	56	1084	1028	992	59	150	28	312,12
Flange GOST 12821-80 1-1200-25 ст.3 (20)	1525	1420	56	1288	1228	1192	62	160	32	387,5

Conditional pass Dy	d1	b	h4	Dm	Dn	Weight, kg
Conditional pass Dy	d1	b	h4	Dm	Dn	With a connecting protrusion	with a protrusion	with a hollow	with a spike	with a groove
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

Gost Standard PN25 12821 Steel Flange

Specifications:

Product Name: Steel Gost Flange PN6 12821 80

Material acceptable:

Carbon steel, alloy steel, stainless steel, steel, cast iron, aluminum, and other materials.

Our Processing:

CNC machining, CNC milling and turning, laser cutting, drilling, grinding, bending, welding and so on

Finish:

Sandblast, polish, color anodize, zinc-plated, nickel-plated .power coating and so on

Inspection:

100% inspection before shipping

Package:

Standard suitable package / Pallet or container / As per customized specifications

Payment Terms:

30 -50%T/T in advance, the balance before delivery; PayPal or Western Union is acceptable

Trade terms:

EXW, FOB, CIF, CFR

Note:

The products shown here is only to present the scope of our business activities. We can manufacture custom parts according to your drawings or samples

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