TOOLBOX - Flange EN 1092-1 PN25

EN 1092-1 DN 10...1000 PN 25 FLANGES

NB. NOT STOCK ITEM - RARELY USED

TYPES OF FLANGES (typ) UP TO EN 1092-1

Typ 01: Plate (slip-on) flanges for welding	Typ 13: Hubbed threaded flanges
Typ 02: Loose plate flanges with weld-on plate collar	Typ 21: Integral flanges
Typ 04: Loose plate flanges with weld-neck collar	Typ 32: Weld-on plate collars
Typ 05: Blank (blind) flanges	Typ 33: Lapped pipe ends
Typ 11: Weld-neck flanges	Typ 34: Weld-neck collars
Typ 12: Hubbed slip-on flanges for welding

LETTER DESIGNATION

D: Outside Diameter	A: Outside Diameter of Neck	G max: Diameter of Shoulders
K: Diameter of Bolt Circle	E: Chamfer	R: Corner Radius
L: Diameter of Bolt Hole	F: Collar thickness	N: Neck Diameter
		S: Neck Thickness (Preferred value)

FLANGE DIMENSIONS

	D	K	L	BOLTING			BORE DIAMETER			FLANGE THICKNESS							LENGTH			NECK DIAMETERS
DN	MATING DIMENSIONS					A	BORE DIAMETER			FLANGE THICKNESS				E	F	G MAX	LENGTH			NECK DIAMETERS			R	S
	D	K	L	No	SIZE		B1	B2	B3	C1	C2	C3	C4				H1	H2	H3	N1	N2	N3
	FLANGE TYPE
	01, 02, 05, 11, 12, 21					11 21* 34	01 12 32	02	04	01 02 04	11 12 13	21	05	02 04	32 34	05	12 13	11 34	11 34	11 34	12 13	21	11 12 13 21	11 34
10	90	60	14	4	M12	17,2	18	21	31	14	16	-	16	3	12	-	22	35	6	28	30	28	4	1,8	PN 10, 16, 25, 40 IS IDENTICAL
15	95	65	14	4	M12	21,3	22	25	35	14	16	-	16	3	12	-	22	38	6	32	35	32	4	2
20	105	75	14	4	M12	26,9	27,5	31	42	16	18	-	18	4	14	-	26	40	6	40	45	40	4	2,3
25	115	85	14	4	M12	33,7	34,5	38	49	16	18	-	18	4	14	-	28	40	6	46	52	52	4	2,6
32	140	100	18	4	M16	42,4	43,5	47	59	18	18	-	18	5	14	-	30	42	6	56	60	60	6	2,6
40	150	110	18	4	M16	48,3	49,5	53	67	18	18	-	18	5	14	-	32	45	7	64	70	70	6	2,6
50	165	125	18	4	M16	60,3	61,5	65	77	20	20	-	20	5	16	-	34	48	8	75	84	84	6	2,9
65	185	145	18	8	M16	76,1	77,5	81	96	22	22	-	22	6	16	55	38	52	10	90	104	104	6	2,9
80	200	160	18	8	M16	88,9	90,5	94	114	24	24	-	24	6	18	70	40	58	12	105	118	120	8	3,2
100	235	190	22	8	M20	114,3	116	120	138	26	24	-	24	6	20	90	44	65	12	134	145	142	8	3,6
125	270	220	26	8	M24	139,7	141,5	145	166	28	26	-	26	6	22	115	48	68	12	162	170	162	8	4
150	300	250	26	8	M24	168,3	170,5	174	194	30	28	-	28	6	24	140	52	75	12	192	200	192	10	4,5
200	360	310	26	12	M24	219,1	221,5	226	250	32	30	30	30	6	26	190	52	80	16	244	256	252	10	6,3
250	425	370	30	12	M27	273	276,5	281	302	35	32	32	32	8	26	235	60	88	18	298	310	304	12	7,1
300	485	430	30	16	M27	323,9	327,5	333	356	38	34	34	34	8	28	285	67	92	18	352	364	364	12	8
350	555	490	33	16	M30	355,6	359,5	365	408	42	38	38	38	8	32	332	72	100	20	398	418	418	12	8
400	620	550	36	16	M33	406,4	411	416	462	46	40	40	40	8	34	380	78	110	20	452	472	472	12	8,8
450	670	600	36	20	M33	457	462	467	510	50	46	46	46	8	36	425	84	110	20	500	520	520	12	8,8
500	730	660	36	20	M33	508	513,5	519	568	56	48	48	48	8	38	475	90	125	20	558	580	580	12	10
600	845	770	39	20	M36	610	616,5	622	670	68	58	58	58	8	40	575	100	125	20	660	684	684	12	11
700	960	875	42	24	M39	711	-	-	-	-	46	50	-	-	-	-	-	125	20	760	-	780	12	12,5
800	1085	990	48	24	M45	813	-	-	-	-	50	54	-	-	-	-	-	1235	22	864	-	882	12	14,2
900	1158	1090	48	28	M45	914	-	-	-	-	54	58	-	-	-	-	-	145	24	968	-	982	12	16
1000	1320	1210	56	28	M52	1016	-	-	-	-	58	62	-	-	-	-	-	155	24	1070	-	1086	16	17,5

* For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter.
Note: The p/t rating from EN 1092-1 apply only for flange type 05, 11, 12, 13 and 21 having nominal sizes up to and including DN 600. The p/t rating of all other flanges shall be agreed between the manufacturer and the purchaser.