Stainless Steel Flanges BS4504 Flanges

Name: Stainless Steel Flanges BS4504 Flanges
Brand: Wenzhou Kidy Pipeline Materials Co., Ltd.

Stainless Steel Flanges BS4504 Flanges adopts forging process, specification: DN10-DN600; Normal pressure 6; 10; 16; 25; 40bar; Suitable for liquid, particle, and gas transportation pipelines, such as chemical, refining, boilers, electricity, food, and other fields.

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Specifications of Stainless Steel Flanges BS4504 Flanges

Nom. Size	Pipe O.D d¹	Flange					Raised face		Bolting	Drilling			Neck			Spigot d⁹	Boss
Nom. Size	Pipe O.D d¹	D	b	b¹	h	h¹	d⁴	f	Bolting	No.	d₂	k	d³	h₂ ≈	r	Spigot d⁹	d³
10	17.2	75	12	12	20	28	35	2	M10	4	11	50	26	6	4	-	25
15	21.3	80	12	12	20	30	40	2	M10	4	11	55	30	6	4	-	30
20	26.9	90	14	14	24	32	50	2	M10	4	11	65	38	6	4	-	40
25	33.7	100	14	14	24	35	60	2	M10	4	11	75	42	6	4	-	50
32	42.4	120	14	16	26	35	70	2	M12	4	14	90	55	6	6	-	60

40	48.3	130	14	16	26	38	80	3	M12	4	14	100	62	7	6	-	70
50	60.3	140	14	16	28	38	90	3	M12	4	14	110	74	8	6	-	80
65	76.1	160	14	16	32	38	110	3	M12	4	14	130	88	9	6	55	100
80	88.9	190	16	18	34	42	128	3	M16	4	18	150	102	10	8	70	110
100	114.3	210	16	18	40	45	148	3	M16	4	18	170	130	10	8	90	130

125	139.7	240	18	20	44	48	178	3	M16	8	18	200	155	10	8	115	160
150	168.3	265	18	20	44	48	202	3	M16	8	18	225	184	12	10	140	185
200	219.1	320	20	22	44	55	258	3	M16	8	18	280	236	15	10	190	-
250	273.0	375	22	24	44	60	312	3	M16	12	18	335	290	15	12	237	-
300	323.9	440	22	24	44	62	365	4	M20	12	22	395	342	15	12	285	-

350	355.6	490	22	26	-	62	415	4	M20	12	22	445	385	15	12	332	-
400	406.4	540	22	28	-	65	465	4	M20	16	22	495	438	15	12	380	-
450	457.2	595	24	30	-	65	520	4	M20	16	22	550	492	15	12	428	-
500	508.0	645	24	30	-	68	570	4	M20	20	22	600	538	15	12	475	-
600	609.6	755	24	32	-	70	670	5	M24	20	26	705	640	16	12	-	-

Nominal pressure 16 bar (1 bar = 10⁵ N/m²)
Nom. Size	Pipe O.D d¹	Flange					Raised face		Bolting	Drilling			Neck			Spigot d⁹	Boss
Nom. Size	Pipe O.D d¹	D	b	b¹	h	h¹	d⁴	f	Bolting	No.	d₂	k	d³	h₂ ≈	r	Spigot d⁹	d³
10	17.2	90	14	14	20	35	40	2	M12	4	14	60	28	6	4	-	30
15	21.3	95	14	14	20	35	45	2	M12	4	14	65	32	6	4	-	35
20	26.9	105	16	16	24	38	58	2	M12	4	14	75	40	6	4	-	45
25	33.7	115	16	16	24	38	68	2	M12	4	14	85	46	6	4	-	52
32	42.4	140	16	16	26	40	78	2	M16	4	18	100	56	6	6	-	60

40	48.3	150	16	16	26	42	88	3	M16	4	18	110	64	7	6	-	70
50	60.3	165	18	18	28	45	102	3	M16	4	18	125	75	8	6	-	85
65	76.1	185	18	18	32	45	122	3	M16	4	18	145	90	10	6	55	105
80	88.9	200	20	20	34	50	138	3	M16	8	18	160	105	10	8	70	118
100	114.3	220	20	20	40	52	158	3	M16	8	18	180	131	12	8	90	140

125	139.7	250	22	22	44	55	188	3	M16	8	18	210	156	12	8	115	168
150	168.3	285	22	22	44	55	212	3	M20	8	22	240	184	12	10	140	195
175	193.7	315	24	24	-	60	242	3	M20	8	22	270	210	12	10	165	-
200	219.1	340	24	24	44	62	268	3	M20	12	22	295	235	16	10	190	-
250	273.0	405	26	26	46	70	320	3	M24	12	26	355	292	16	12	237	-

300	323.9	460	28	28	46	78	378	4	M24	12	26	410	344	16	12	285	-
350	355.6	520	30	32	-	82	438	4	M24	16	26	470	390	16	12	332	-
400	406.4	580	32	36	-	85	490	4	M27	16	30	525	445	16	12	380	-
450	457.2	640	34	40	-	87	550	4	M27	20	30	585	496	16	12	428	-
500	508.0	715	34	44	-	90	610	4	M30	20	33	650	548	16	12	475	-

Features of Stainless Steel Flanges BS4504 Flanges

KIDY is a service-oriented enterprise with a complete range of steel grades; Regular materials and other specifications are available for long-term delivery of flange blanks. The packaging is made in export wooden boxes, and special size requirements can be customized,

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