GOST 12836 Blind Flange Dimensions PN40 4.0Mpa

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Update time : 2026-06-16 08:49:16

GOST Flange

　　GOST Flanges are flanges manufactured according to the standards set by the Russian State Standard (GOST), which defines the specifications for flanges used in various industries, particularly in Russia and other former Soviet states. These flanges are available in a range of materials, including carbon steel, stainless steel, and alloy steels, ensuring suitability for different applications, including oil and gas, petrochemical, and waterworks. GOST flanges adhere to rigorous design and manufacturing requirements, providing high-performance solutions that guarantee reliability and durability under extreme pressures and temperatures. They are commonly used in systems requiring secure and leak-proof connections, with specific attention to pressure ratings, dimensions, and material strength. Additionally, GOST flanges are compatible with other international standards, making them versatile for global applications.

GOST 12836 Blind Flange Dimensions PN40 4.0Mpa

NPS	WEIGHT PER KG	D	D1	NO OF HOLES	h	D4	b	D3	D2	h1
15	95	65	45	16	10	14	2	2	4	0.63
20	105	75	58	16	16	14	2	2	4	0.8
25	115	85	68	16	22	14	2	2	4	0.98
32	135	100	78	16	28	18	2	2	4	1.33
40	145	110	88	16	36	18	3	2	4	1.49
50	160	125	102	18	46	18	3	2	4	2.15
65	180	145	122	20	60	18	3	2	8	3.03
80	195	160	138	22	76	18	3	2	8	4.08
100	230	190	162	24	94	23	3	2	8	6.27
125	270	220	188	28	118	27	3	2	8	10.31
150	300	250	218	30	142	27	3	2	8	14.07
200	375	320	280	38	196	30	3	2	12	28.3
250	445	385	345	45	244	33	3	2	12	48.5
300	510	450	410	48	294	33	4	3	16	66.99
350	570	510	465	50	344	33	4	3	16	88.9
400	655	585	535	56	390	40	4	3	16	131.59
500	755	670	615	70	490	46	4	3	20	218.7

Note：Dimensions in mm.

　　Shengtian Group not only provides Russian standard flanges, but also various standard and non-standard flanges. If you have any questions, please feel free to send us an email: Email: sale@stpipefitting.cn

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