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Product Parameters

GB/T 12459, SH/T 3408, ASME B16.9

Nominal Size		End Outer Diameter	Center to End Face
Nominal Size		End Outer Diameter	90° Elbows		45° Elbows
DN	NPS	OD	A		B
DN	NPS	OD	Long Radius LR	Short Radius SR	Long Radius LR
15 20 25	1/2 3/4 1	21.3 26.7 33.4	38 38 38	- - 25	16 19 22
32 40 50	1^1/4 1^1/2 2	42.2 48.3 60.3	48 57 76	32 38 51	25 29 35
65 80 90 100	2^1/2 3 3^1/2 4	73.0 88.9 101.6 114.3	95 114 133 152	64 76 89 102	44 51 57 64
125 150 200	5 6 8	141.3 168.3 219.1	190 229 305	127 152 203	79 95 127
250 300 350	10 12 14	273.0 323.8 355.6	381 457 533	254 305 356	159 190 222
400 450 500	16 18 20	406.4 457.0 508.0	610 686 762	406 457 508	254 286 318
550 600 650	22 24 26	559.0 610.0 660.0	838 914 991	559 610 660	343 381 406
700 750 800	28 30 32	711.0 762.0 813.0	1067 1143 1219	711 762 813	438 470 502
850 900 950	34 36 38	864.0 914.0 965.0	1295 1372 1448	864 914 965	533 565 600
1000 1050 1100	40 42 44	1016.0 1067.0 1118.0	1524 1600 1676	1016 1067 1118	632 660 695
1150 1200 1300	46 48 52	1168.0 1219.0 1321.0	1753 1829 1981	1168 1219 1321	727 759 821
1400 1500 1600	56 60 64	1422.0 1524.0 1626.0	2134 2286 2438	1422 1524 1626	883 947 1010
1700 1800 1900 2000	68 72 76 80	1727.0 1829.0 1930.0 2032.0	2591 2743 2896 3048	1727 1829 1930 2032	1073 1137 1199 1263

Note:
1) In addition to the above standards, manufacturing can also follow GBIT 10752, SH 3408, SH 3409, HG/T 21635, HG/T 21631, SY/T0510, DL/T695, EN 10253 and other standards.
2) Larger size elbows can be manufactured according to dimensions agreed upon by the purchaser and manufacturer.

Nominal Size		End Outer Diameter	Center to End Face		Center to Center		Back Face to End Face
Nominal Size		End Outer Diameter	90° Elbows	45° Elbows	180° Returns
DN	NPS	OD	A	B	O		K
DN	NPS	OD	3D	3D	Long Radius LR	Short Radius SR	Long Radius LR	Short Radius SR
15 20 25	1/2 3/4 1	21.3 26.7 33.4	- 57 76	- 24 31	76 76 76	- - 51	48 51 56	- - 41
32 40 50	1^1/4 1^1/2 2	42.2 48.3 60.3	95 114 152	39 47 63	95 114 152	64 76 102	70 83 106	52 62 81
65 80 90 100	2^1/2 3 3^1/2 4	73.0 88.9 101.6 114.3	190 229 267 305	79 95 111 127	190 229 267 305	127 152 178 203	132 159 184 210	100 121 140 159
125 150 200	5 6 8	141.3 168.3 219.1	381 457 610	157 189 252	381 457 610	254 305 406	262 313 414	197 237 313
250 300 350	10 12 14	273.0 323.8 355.6	762 914 1067	316 378 441	762 914 1067	508 609 711	518 619 711	391 467 533
400 450 500	16 18 20	406.4 457.0 508.0	1219 1372 1524	505 568 632	1219 1372 1524	813 914 1016	813 914 1016	610 686 762
550 600 650	22 24 26	559.0 610.0 660.0	1676 1829 1981	694 757 821	1676 1829	1118 1219	1118 1219	838 914
700 750 800	28 30 32	711.0 762.0 813.0	2134 2286 2438	883 964 1010	- - -	- - -	- - -	- - -
850 900 950	34 36 38	864.0 914.0 965.0	2591 2743 2896	1073 1135 1200	- - -	- - -	- - -	- - -
1000 1050 1100	40 42 44	1016.0 1067.0 1118.0	3048 3200 3353	1264 1326 1389	- - -	- - -	- - -	- - -
1150 1200	46 48	1168.0 1219.0	3505 3658	1453 1516	- -	- -	- -	- -

Process Flow

Production process flow and quality control chart for butt-welded welded and seamless pipe fittings.

Production process flow and quality control chart for forged pipe fittings and flanges.

45° Elbow

180° Elbow

Description page content……

90° Elbow

Professional production of various butt-welded, socket-welded, threaded series of elbows, bends, tees, reducers, flanges, lap joints, pipe caps, etc., made of austenitic stainless steel, alloy steel, carbon steel, composite materials, duplex stainless steel, titanium alloy, aluminum alloy, nickel-based alloy, copper alloy, and other materials.

Our company can manufacture according to GB, SH, HG, DL, ASME, DIN, JIS, BS and other standards, or according to drawings and requirements provided by users.

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Butt-welded pipe fittings

Product Description

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