Steel Flange Tables

End Connections

(DN15 - 1/2")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	95.3	66.7	14.3	4	1/2"	9.5
	Table H	114.3	82.6	17.5	4	5/8"	12.7	57.2	1.6
	Table J	114.3	82.6	17.5	4	5/8"	15.9	57.2	1.6
	Table K	114.3	82.6	17.5	4	5/8"	19.1	63.5	1.6
	Table R	114.3	82.6	17.5	4	5/8"	19.1	63.5	1.6
	Table S	127	89	22.2	4	3/4"	22.2	63.5	1.6
	Table T	140	101.6	22.2	4	3/4"	25.4	63.5	1.6

BS 4504* DIN 2501	PN10	95	65	14	4	M12	14	45	2
	PN16	95	65	14	4	M12	16	45	2
* upto PN40 only	PN25	95	65	14	4	M12	16	45	2
	PN40	95	65	14	4	M12	16	45	2
	PN64	105	75	14	4	M12	20	45	2
	PN100	105	75	14	4	M12	20	45	2
	PN250	130	90	18	4	M16	26	45	2

BS 1560/ANSI B.16.5	150	89	60.3	15.9	4	1/2"	11.1	35	1.6
	300	95	66.7	15.9	4	1/2"	14.3	35	1.6
	400	95	66.7	15.9	4	1/2"	20.7	35	6.4
	600	95	66.7	15.9	4	1/2"	20.7	35	6.4
	900	121	121	22.2	4	3/4"	28.6	35	6.4
	1500	121	121	22.2	4	3/4"	28.6	35	6.4

(DN20 - 3/4")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	101.6	73	14.3	4	1/2"	9.5
	Table H	114.3	82.6	17.5	4	5/8"	12.7	57.2	1.6
	Table J	114.3	82.6	17.5	4	5/8"	15.9	57.2	1.6
	Table K	114.3	82.6	17.5	4	5/8"	19.1	63.5	1.6
	Table R	114.3	82.6	17.5	4	5/8"	19.1	63.5	1.6
	Table S	127	89	22.2	4	3/4"	22.2	63.5	1.6
	Table T	140	101.6	22.2	4	3/4"	25.4	63.5	1.6

BS 4504* DIN 2501	PN10	105	75	14	4	M12	16	58	2
	PN16	105	75	14	4	M12	16	58	2
* upto PN40 only	PN25	105	75	14	4	M12	18	58	2
	PN40	105	75	14	4	M12	18	58	2
	PN64	130	90	18	4	M16	22	58	2
	PN100	130	90	18	4	M16	22	58	2
	PN250

BS 1560/ANSI B.16.5	150	98	60.3	15.9	4	1/2"	12.7	43	1.6
	300	117	66.7	19	4	5/8"	15.9	43	1.6
	400	117	66.7	19	4	5/8"	22.3	43	6.4
	600	117	66.7	19	4	5/8"	22.3	43	6.4
	900	130	121	22.2	4	3/4"	31.8	43	6.4
	1500	130	121	22.2	4	3/4"	31.8	43	6.4

(DN25 - 1")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	121	87.3	17.5	4	5/8"	9.5
	Table H	121	87.3	17.5	4	5/8"	14.3	63.5	1.6
	Table J	121	87.3	17.5	4	5/8"	19.1	63.5	1.6
	Table K	127	95.2	17.5	4	5/8"	22.2	76.2	1.6
	Table R	127	95.2	17.5	4	5/8"	22.2	76.2	1.6
	Table S	140	101.6	22.2	4	3/4"	25.4	76.2	1.6
	Table T	146.1	108	22.2	4	3/4"	28.6	76.2	1.6

BS 4504* DIN 2501	PN10	115	85	14	4	M12	16	68	2
	PN16	115	85	14	4	M12	16	68	2
* upto PN40 only	PN25	115	85	14	4	M12	18	68	2
	PN40	115	85	14	4	M12	18	68	2
	PN64	140	100	18	4	M16	24	68	2
	PN100	140	100	18	4	M16	24	68	2
	PN250	150	105	22	4	M20	28	68	2

BS 1560/ANSI B.16.5	150	108	79.4	15.9	4	1/2"	14.3	51	1.6
	300	124	88.9	19	4	5/8"	17.5	51	1.6
	400	124	88.9	19	4	5/8"	23.9	51	6.4
	600	124	88.9	19	4	5/8"	23.9	51	6.4
	900	149	101.6	25.4	4	7/8"	35	51	6.4
	1500	149	101.6	25.4	4	7/8"	35	51	6.4

(DN32 - 1 1/4")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	133.4	98.4	17.5	4	5/8"	12.7
	Table H	133.4	98.4	17.5	4	5/8"	17.5	76.2	1.6
	Table J	133.4	98.4	17.5	4	5/8"	19.1	76.2	1.6
	Table K	133.4	98.4	17.5	4	5/8"	22.2	76.2	1.6
	Table R	133.4	98.4	17.5	4	5/8"	22.2	76.2	1.6
	Table S	146.1	108	22.2	4	3/4"	28.6	82.6	1.6
	Table T	158.8	120.3	25.4	4	7/8"	31.8	82.6	1.6

BS 4504* DIN 2501	PN10	140	100	18	4	M16	16	78	2
	PN16	140	100	18	4	M16	16	78	2
* upto PN40 only	PN25	140	100	18	4	M16	18	78	2
	PN40	140	100	18	4	M16	18	78	2
	PN64	155	110	22	4	M20	26	78	2
	PN100	155	110	22	4	M20	26	78	2
	PN250

BS 1560/ANSI B.16.5	150	117	88.9	15.9	4	1/2"	15.9	64	1.6
	300	133	98.4	19	4	5/8"	19	64	1.6
	400	133	98.4	19	4	5/8"	27	64	6.4
	600	133	98.4	19	4	5/8"	27	64	6.4
	900	159	111.1	25.4	4	7/8"	35	64	6.4
	1500	159	111.1	25.4	4	7/8"	35	64	6.4

(DN40 - 1 1/2")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	140	104.8	17.5	4	5/8"	12.7
	Table H	140	104.8	17.5	4	5/8"	17.5	82.6	1.6
	Table J	140	104.8	17.5	4	5/8"	22.2	82.6	1.6
	Table K	152.4	114.3	22.2	4	3/4"	25.4	89	1.6
	Table R	152.4	114.3	22.2	4	3/4"	25.4	89	1.6
	Table S	158.8	120.6	22.2	4	3/4"	28.6	89	1.6
	Table T	171.5	133.3	22.2	4	3/4"	34.9	89	1.6

BS 4504* DIN 2501	PN10	150	110	18	4	M16	16	88	3
	PN16	150	110	18	4	M16	16	88	3
* upto PN40 only	PN25	150	110	18	4	M16	18	88	3
	PN40	150	110	18	4	M16	18	88	3
	PN64	170	125	22	4	M20	28	88	3
	PN100	170	125	22	4	M20	28	88	3
	PN250	185	135	26	4	M24	34	88	3

BS 1560/ANSI B.16.5	150	127	98.4	15.9	4	1/2"	17.5	73	1.6
	300	156	114.3	22.2	4	3/4"	20.6	73	1.6
	400	156	114.3	22.2	4	3/4"	28.6	73	6.4
	600	156	114.3	22.2	4	3/4"	28.6	73	6.4
	900	178	123.8	28.6	4	1"	38.2	73	6.4
	1500	178	123.8	28.6	4	1"	38.2	73	6.4

(DN50 - 2")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	165.1	127	17.5	4	5/8"	15.9
	Table H	165.1	127	17.5	4	5/8"	19.1	102	1.6
	Table J	165.1	127	22.2	4	3/4"	25.4	102	1.6
	Table K	165.1	127	17.5	8	5/8"	25.4	102	1.6
	Table R	1165.1	127	17.5	8	5/8"	25.4	102	1.6
	Table S	171.5	133.3	22.2	8	3/4"	31.8	89	1.6
	Table T	184.2	146	22.2	8	3/4"	34.9	102	1.6

BS 4504* DIN 2501	PN10	165	125	18	4	M16	18	102	3
	PN16	165	125	18	4	M16	18	102	3
* upto PN40 only	PN25	165	125	18	4	M16	20	102	3
	PN40	165	125	18	4	M16	20	102	3
	PN64	180	135	22	4	M20	26	102	3
	PN100	195	145	26	4	M24	30	102	3
	PN250	200	150	26	8	M24	38	102	3

BS 1560/ANSI B.16.5	150	152	120.6	19	4	5/8"	19	92	1.6
	300	165	127	19	8	5/8"	22.2	92	1.6
	400	165	127	19	8	5/8"	31.8	92	6.4
	600	165	127	19	8	5/8"	31.8	92	6.4
	900	216	165.1	25.4	8	7/8"	44.5	92	6.4
	1500	216	165.1	25.4	8	7/8"	44.5	92	6.4

(DN65 - 2 1/2")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	184.2	146	17.5	8	5/8"	15.9
	Table H	184.2	146	17.5	8	5/8"	19.1	114.3	1.6
	Table J	184.2	146	22.2	8	5/8"	25.4	114.3	1.6
	Table K	184.2	146	22.2	8	5/8"	28.6	114.3	1.6
	Table R	184.2	146	22.2	8	5/8"	28.6	114.3	1.6
	Table S	184.2	146	22.2	8	3/4"	31.8	102	1.6
	Table T	203.2	165.1	25.4	8	7/8"	41.3	114.3	1.6

BS 4504* DIN 2501	PN10	185	145	18	4	M16	18	122	3
	PN16	185	145	18	4	M16	18	122	3
* upto PN40 only	PN25	185	145	18	8	M16	22	122	3
	PN40	185	145	18	8	M16	22	122	3
	PN64	205	160	22	8	M20	26	122	3
	PN100	220	170	26	8	M24	34	122	3
	PN250	230	180	26	8	M24	42	122	3

BS 1560/ANSI B.16.5	150	178	139.7	19	4	5/8"	22.2	105	1.6
	300	190	149.2	22.2	8	3/4"	25.4	105	1.6
	400	190	149.2	22.2	8	3/4"	35	105	6.4
	600	190	149.2	22.2	8	3/4"	35	105	6.4
	900	244	190.5	28.6	8	1"	47.7	105	6.4
	1500	244	190.5	28.6	8	1"	47.7	105	6.4

(DN80 - 3")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	203.2	165.1	17.5	8	5/8"	15.9
	Table H	203.2	165.1	17.5	8	5/8"	22.2	127	1.6
	Table J	203.2	165.1	22.2	8	3/4"	31.8	127	1.6
	Table K	203.2	165.1	22.2	8	3/4"	31.8	127	1.6
	Table R	203.2	165.1	22.2	8	3/4"	31.8	127	1.6
	Table S	203.2	165.1	25.4	8	3/4"	35	114.3	1.6
	Table T	235	190.5	28.6	8	7/8"	47.6	127	1.6

BS 4504* DIN 2501	PN10	200	160	18	8	M16	20	138	3
	PN16	200	160	18	8	M16	20	138	3
* upto PN40 only	PN25	200	160	18	8	M16	24	138	3
	PN40	200	160	18	8	M16	24	138	3
	PN64	215	170	22	8	M20	28	138	3
	PN100	230	180	26	8	M24	36	138	3
	PN250	255	200	30	8	M27	46	138	3

BS 1560/ANSI B.16.5	150	190	152.4	19	4	5/8"	23.8	127	1.6
	300	210	168.3	22.2	8	3/4"	28.6	127	1.6
	400	210	168.3	22.2	8	3/4"	38.2	127	6.4
	600	210	168.3	22.2	8	3/4"	38.2	127	6.4
	900	241	190.5	25.4	8	7/8"	44.5	127	6.4
	1500	267	203.5	33	8	1 1/8/"	48	127	6.4

(DN100 - 4")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	228.6	190.5	17.5	8	5/8"	19.1
	Table H	228.6	190.5	17.5	8	5/8"	25.4	152.4	1.6
	Table J	228.6	190.5	22.2	8	3/4"	34.9	152.4	1.6
	Table K	241.3	196.8	25.4	8	7/8"	34.9	152.4	1.6
	Table R	241.3	196.8	25.4	8	7/8"	34.9	152.4	1.6
	Table S	247.7	203.2	28.6	8	1"	41.3	159	1.6
	Table T	285.8	235	31.8	8	1 1/8"	57.2	114.3	1.6

BS 4504* DIN 2501	PN10	220	180	18	8	M16	20	158	3
	PN16	220	180	18	8	M16	20	158	3
* upto PN40 only	PN25	235	190	22	8	M20	24	162	3
	PN40	235	190	22	8	M20	24	162	3
	PN64	250	200	26	8	M24	30	162	3
	PN100	265	210	30	8	M27	40	162	3
	PN250	300	235	33	8	M30	54	162	3

BS 1560/ANSI B.16.5	150	229	190.5	19	8	5/8"	23.8	157	1.6
	300	254	200	22.2	8	3/4"	31.8	157	1.6
	400	254	200	25.4	8	7/8"	41.3	157	6.4
	600	273	215.9	25.4	8	7/8"	44.5	157	6.4
	900	292	235	31.8	8	1 1/8"	50.8	157	6.4
	1500	311	242	34.9	8	1 1/4"	54	157	6.4

(DN125 - 5")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	279.4	235	22.2	8	3/4"	22.2
	Table H	279.4	235	22.2	8	3/4"	28.6	178	1.6
	Table J	279.4	235	25.4	8	7/8"	38.1	178	1.6
	Table K	279.4	235	25.4	12	7/8"	41.3	178	1.6
	Table R	279.4	235	25.4	12	7/8"	41.3	178	1.6
	Table S	285.8	235	25.4	12	7/8"	44.5	190	1.6
	Table T	324	273	31.8	12	1 1/8"	66.7	210	1.6

BS 4504* DIN 2501	PN10	250	210	18	8	M16	22	188	3
	PN16	250	210	18	8	M16	22	188	3
* upto PN40 only	PN25	270	220	26	8	M24	26	188	3
	PN40	270	220	26	8	M24	26	188	3
	PN64	295	240	30	8	M27	34	188	3
	PN100	315	250	33	8	M30	40	188	3
	PN250	340	275	33	12	M30	60	188	3

BS 1560/ANSI B.16.5	150	254	22.2	22.2	8	3/4"	23.8	186	1.6
	300	279	22.2	22.2	8	3/4"	34.9	186	1.6
	400	279	25.4	25.4	8	7/8"	44.5	186	6.4
	600	330	28.6	28.6	8	1"	50.8	186	6.4
	900	349	34.9	34.9	8	1 1/4"	57.2	186	6.4
	1500	375	42	42	8	1 1/2"	73.5	186	6.4

(DN150 - 6")

Flange Standard	Rating/Class	D	C	E	No.	Bolt	F	B	A
BS10	Table F	304.8	260.3	22.2	12	3/4"	22.2
	Table H	304.8	260.3	22.2	12	3/4"	28.6	210	1.6
	Table J	304.8	260.3	25.4	12	7/8"	38.1	210	1.6
	Table K	304.8	260.3	25.4	12	7/8"	41.3	210	1.6
	Table R	304.8	260.3	25.4	12	7/8"	44.5	210	1.6
	Table S	323.9	273	28.6	12	1"	50.8	210	1.6
	Table T	374.7	317.5	35	12	1 1/4"	73	229	1.6

BS 4504* DIN 2501	PN10	285	240	22	8	M20	22	212	3
	PN16	285	240	22	8	M20	22	212	3
* upto PN40 only	PN25	300	250	26	8	M24	28	218	3
	PN40	300	250	26	8	M24	28	218	3
	PN64	345	280	33	8	M30	36	218	3
	PN100	355	290	33	12	M30	44	218	3
	PN250	390	320	36	12	M33	68	218	3

BS 1560/ANSI B.16.5	150	279	241.3	22.2	8	3/4"	25.4	216	1.6
	300	318	269.9	22.2