Anchor Flange Dimensions

Author : admin

Update time : 2026-07-09 09:03:47

Anchor Flange Dimensions

　　Anchor flange is a new design pipe flange. This flange has two welding neck in both sides of flange for butt-welding with pipings. The structure of anchor flange likes two welding neck flange assemblied but without gasket and bolts, it is a integral part.

NPS (Normal Pipe Size)	Daimeter Of Bore	Pre Beveled Hub Daimeter	For 40%F Temperature Change				For 90%F Temperature Change
NPS (Normal Pipe Size)	Daimeter Of Bore	Pre Beveled Hub Daimeter	Daimeter O	Daimeter Q	Daimeter L	Daimeter X	Daimeter O	Daimeter Q	Daimeter L	Daimeter X
6		6.75	9.5	0.63	2.88	7	11.25	1.13	3.63	7
8	8.75	12.13	0.75	3	9	14.63	1.38	3.88	9
10	11	14.88	0.88	3.13	11.13	17.13	1.5	4	11.13
12	13	17.75	1	3.5	13.25	19.25	1.63	4.25	13.25
14	14.25	19.63	1.13	3.75	14.5	20.5	1.75	4.5	14.5
16	16.25	22.38	1.31	4.19	16.3	22.5	1.81	5	16.63
18	18.25	24.63	1.38	4.63	18.63	24.63	1.94	5.5	78.63
20	20.31	26.63	1.5	4.88	20.63	26.75	2	6	20.75
22	22.31	28.63	1.63	5.13	22.63	28.75	2.13	6.25	22.75
24	24.38	30.63	1.69	5.44	24.63	31	2.25	6.75	24.88
26	26.38	32.75	1.75	5.88	16.75	32.88	2.31	7.13	26.88
28	28.38	34.88	1.81	6.19	28.88	35	2.38	7.5	29
30	30.44	36.88	1.94	6.56	30.88	37	2.5	8	31
34	34.5	41	2.06	7.19	35	41	2.75	8.75	35
36	36.5	43	2.13	8	37	43	2.88	9.63	37

Anchor Flange Size

DN In inches	Dimension	ASME B16.5 Anchor Flange Dimensional Sizes 1/2 inches to 2 1/2 inches
		125 LBS 150 LBS		300 LBS		400 LBS		600 LBS		900 LBS		1500 LBS		2500 LBS
		inches	millimeter	inches	millimeter	inches	millimeter	inches	millimeter	inches	millimeter	inches	millimeter	inches		millimeter
1/2	A	3 1/2	88.9	3 3/4	95.2	3 3/4	95.2	3 3/4	95.2	4 3/4	121	4 3/4	121	5 1/4	133.4
	b	7/16	11.1	9/16	14.3	9/16	14.3	9/16	14.3	7/8	22.2	7/8	22.2	1 3/16	30.2
	D2	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9	1 3/8	34.9
	D1	2 3/8	60.3	2 5/8	66.7	2 5/8	66.7	2 5/8	66.7	3 1/4	82.6	3 1/4	82.6	3 1/2	88.9
	n	4	4	4	4	4	4	4	4	4	4	4	-	4	44
	d	5/8	15.9	5/8	15.9	5/8	15.9	5/8	15.9	7/8	22.2	7/8	22.2	7/8	22.2
3/4	A	3 7/8	98.4	4 5/8	117.5	4 5/8	117.5	4 5/8	117.5	5 1/8	130	5 1/8	130	5 1/2	139.7
	b	1/2	12.7	5/8	15.9	5/8	15.9	5/8	15.9	1	25.4	1	25.4	1 1/4	31.8
	D2	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9	1 11/16	42.9
	D1	2 3/4	69.8	3 1/4	82.5	3 1/4	82.5	3 1/4	82.5	3 1/2	88.9	3 1/2	88.9	3 3/4	95.2
	n	4	4	4	4	4	4	4	4	4	4	4	-	4	44
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	7/8	22.2	7/8	22.2	7/8	22.2
1	A	4 1/4	108	4 7/8	123.8	4 7/8	123.8	4 7/8	123.8	5 7/8	149.2	5 7/8	149.2	6 1/4	159
	b	9/16	14.3	11/16	17.5	11/16	17.5	11/16	17.5	1 1/8	28.6	1 1/8	28.6	1 3/8	34.9
	D2	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8	2	50.8
	D1	3 1/8	79.4	3 1/2	88.9	3 1/2	88.9	3 1/2	88.9	4	102	4	102	4 1/4	108
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1	25.4
1 1/4	A	4 5/8	117.5	5 1/4	133.4	5 1/4	133.4	5 1/4	133.4	6 1/4	159	6 1/4	159	7 1/4	184.2
	b	5/8	15.9	3/4	19	13/16	20.6	13/16	20.6	1 1/8	28.6	1 1/8	28.6	1 1/2	38.1
	D2	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5	2 1/2	63.5
	D1	3 1/2	88.9	3 7/8	98.4	3 7/8	98.4	3 7/8	98.4	4 3/8	111	4 3/8	111	5 1/8	130
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	15.9	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1 1/8	28.6
1 1/2	A	5	127	6 1/8	155.6	6 1/8	155.6	6 1/8	155.6	7	177.8	7	177.8	8	203
	b	11/16	17.5	13/16	20.6	7/8	22.2	7/8	22.2	1 1/4	31.8	1 1/4	31.8	1 3/4	44.5
	D2	2 7/8	73 98	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73	2 7/8	73
	D1	3 7/8	4	4 1/2	114	4 1/2	114	4 1/2	114	4 7/8	124	4 7/8	124	5 3/4	146
	n	4	4	4	4	4	4	4	4	4	4	4	4	4	4
	d	5/8	. 15.9	7/8	22.2	7/8	22.2	7/8	22.2	1 1/8	28.6	1 1/8	28.6	1 1/4	31.8
2	A	6	152.4	6 1/2	165.1	6 1/2	165.1	6 1/2	165.1	8 1/2	215.9	8 1/2	215.9	9 1/4	234.9
	b	3/4	19	7/8	22.2	1	25.4	1	25.4	1 1/2	38.1	1 1/2	38.1	2	50.8
	D2	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1	3 5/8	92.1
	D1	4 3/4	121	5	127	5	127	5	127	6 1/2	165.1	6 1/2	165.1	6 3/4	171
	n	4	4	8	8	8	8	8	8	8	8	8	8	8	8
	d	3/4	19	3/4	19	3/4	19	3/4	19	1	25.4	1	25.4	1 1/8	28.6
2 1/2	A	7	177.8	7 1/2	190.5	7 1/2	190.5	7 1/2	190.5	9 5/8	244	9 5/8	244	10 1/2	266.7
	b	7/8	22.2	1	25.4	1 1/8	28.6	1 1/8	28.6	1 5/8	41.3	1 5/8	41.3	2 1/4	57.2
	D2	4 1/8	104.8	4 1/8	104.8	4 1/8	104.8	4 1/8	104.8	4 1/8	105	4 1/8	105	4 1/8	105
	D1	5 1/2	139.7	5 7/8	149.2	5 7/8	149.2	5 7/8	149.2	7 1/2	190.5	7 1/2	190.5	7 3/4	197
	n	4	4	8	8	8	8	8	8	8	8	8	8	8	8
	d	3/4	19	7/8	22.2	7/8	22.2	7/8	22.2	1 1/8	28.6	1 1/8	28.6	1 1/4	31.8

　　We use high-quality raw materials and responsibly procure raw materials from suppliers across China to manufacture these anchor flange pipelines. As one of the manufacturers of forged anchor flanges in China, we provide affordable products for these anchor flange.

Next : GOST 12820 Steel Plate Flanges

GOST 12820 Steel Plate Flanges

Jun .25.2026

GOST-12820 is standards for steel plate flat welding flanges formulated by the Russian Standardization Organization. It is applicable to pipe and valve connections.

DIN2573 PN6 Plate Flange

Jun .23.2026

DIN2573 PN6 Plate Flange dimensions of this standard can be used at maximum 120°C temperature with up to 6 bar of working pressure.

GOST 12836 Blind Flange Dimensions PN40 4.0Mpa

Jun .16.2026

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.