Stainless Steel Butt Weld Concentric Reducer

304 stainless steel butt-welded concentric reducer for joining pipes of different diameters.

Stainless Steel Butt Weld Concentric Reducer dimension drawing

对焊同心、偏心异径管尺寸

DIMENSIONS OF CONCENTRIC AND
ECCENTRIC REDUCERS FOR BUTT WELDING

GB/T12459-2017、 GB/T13401-92

公称通径 Nominal Pipe Size DN	端部外径 Outside Diameter at Bevel				长度 End to End H
	D1		D2
	A系列 Series A	B系列 Series B	A系列 Series A	B系列 Series B
20×15	26.9	25	21.3	18	38
25×20	33.7	32	26.9	25	51
25×15	33.7	32	21.3	18	51
32×25	42.4	38	33.7	32	51
32×20	42.4	38	26.9	25	51
32×15	42.4	38	21.3	18	51
40×32	48.3	45	42.4	38	64
40×25	48.3	45	33.7	32	64
40×20	48.3	45	26.9	25	64
40×15	48.3	45	21.3	18	64
50×40	60.3	57	48.3	45	76
50×32	60.3	57	42.4	38	76
50×25	60.3	57	33.7	32	76
50×20	60.3	57	26.9	25	76
65×50	76.1(73)	76	60.3	57	89
65×40	76.1(73)	76	48.3	45	89
65×32	76.1(73)	76	42.4	38	89
65×25	76.1(73)	76	33.7	32	89
80×65	88.9	89	76.1(73)	76	89
80×50	88.9	89	60.3	57	89
80×40	88.9	89	48.3	45	89
80×32	88.9	89	42.4	38	89
90×80	101.6	–	88.9	–	102
90×65	101.6	–	76.1(73)	–	102
90×50	101.6	–	60.3	–	102
90×40	101.6	–	48.3	–	102
90×32	101.6	–	42.4	–	102
100×90	114.3	–	101.6	–	102
100×80	114.3	108	88.9	89	102
100×65	114.3	108	76.1(73)	76	102
100×50	114.3	108	60.3	57	102
100×40	114.3	108	48.3	45	102
125×100	141.3	133	114.3	108	127
125×90	141.3	–	101.6	–	127
125×80	141.3	133	88.9	89	127

公称通径 Nominal Pipe Size DN	端部外径 Outside Diameter at Bevel				长度 End to End H
	D1		D2
	A系列 Series A	B系列 Series B	A系列 Series A	B系列 Series B
125×65	141.3	133	73	76	127
125×50	141.3	133	60.3	57	127
150×125	168.3	159	141.3	133	140
150×100	168.3	159	114.3	108	140
150×90	168.3	–	101.6	–	140
150×80	168.3	159	88.9	89	140
150×65	168.3	159	73	76	140
200×150	219.1	219	168.3	159	152
200×125	219.1	219	141.3	133	152
200×100	219.1	219	114.3	108	152
200×90	219.1	–	101.6	–	152
250×200	273.0	273	219.1	219	178
250×150	273.0	273	168.3	159	178
250×125	273.0	273	141.3	133	178
250×100	273.0	273	114.3	108	178
300×250	323.9	325	273.0	273	203
300×200	323.9	325	219.1	219	203
300×150	323.9	325	168.3	159	203
300×125	323.9	325	141.3	133	203
350×300	355.6	377	323.9	325	330
350×250	355.6	377	273.0	273	330
350×200	355.6	377	219.1	219	330
350×150	355.6	377	168.3	159	330
400×350	406.4	426	355.6	377	356
400×300	406.4	426	323.9	325	356
400×250	406.4	426	273.0	273	356
400×200	406.4	426	219.1	219	356
450×400	457	480	406.4	426	381
450×350	457	480	355.6	377	381
450×300	457	480	323.9	325	381
450×250	457	480	273.0	273	381
500×450	508.0	530	457	480	508
500×400	508.0	530	406.4	426	508
500×350	508.0	530	355.6	377	508
500×300	508.0	530	323.9	325	508
550×500	559	–	508	–	508
550×450	559	–	457	–	508
550×400	559	–	406.4	–	508
550×350	559	–	355.6	–	508
600×550	610	–	559	–	508

公称通径 Nominal Pipe Size DN	端部外径 Outside Diameter at Bevel				长度 End to End H
	D1		D2
	A系列 Series A	B系列 Series B	A系列 Series A	B系列 Series B
600×500	610	630	508	530	508
600×450	610	630	457	480	508
600×400	610	630	406.4	426	508
650×600	660	–	610	–	610
650×550	660	–	559	–	610
650×500	660	–	508	–	610
650×450	660	–	457	–	610
700×650	711	–	660	–	610
700×600	711	720	610	630	610
700×550	711	–	559	–	610
700×500	711	720	508	530	610
750×700	762	–	711	–	610
750×650	762	–	660	–	610
750×600	762	–	610	–	610
750×550	762	–	559	–	610
800×750	813	–	762	–	610
800×700	813	820	711	720	610
800×650	813	–	660	–	610
800×600	813	820	610	630	610
850×800	864	–	813	–	610
850×750	864	–	762	–	610
850×700	864	–	711	–	610
850×650	864	–	660	–	610
900×850	914	–	864	–	610
900×800	914	920	813	820	610
900×750	914	–	762	–	610
900×700	914	920	711	720	610
950×900	965	–	914	–	610

公称通径 Nominal Pipe Size DN	端部外径 Outside Diameter at Bevel				长度 End to End H
	D1		D2
	A系列 Series A	B系列 Series B	A系列 Series A	B系列 Series B
950×850	965	–	864	–	610
950×800	965	–	813	–	610
950×750	965	–	762	–	610
1000×950	1016	–	965	–	610
1000×900	1016	1020	914	920	610
1000×850	1016	–	864	–	610
1000×800	1016	1020	813	820	610
1050×1000	1067	–	1016	–	610
1050×950	1067	–	965	–	610
1050×900	1067	–	914	–	610
1050×850	1067	–	864	–	610
1100×1050	1118	–	1067	–	610
1100×1000	1118	1120	1016	1020	610
1100×950	1118	–	965	–	610
1100×900	1118	1120	914	920	610
1150×1100	1168	–	1118	–	711
1150×1050	1168	–	1067	–	711
1150×1000	1168	–	1016	–	711
1150×950	1168	–	965	–	711
1200×1150	1220	–	1168	–	711
1200×1100	1220	1220	1118	1120	711
1200×1050	1220	–	1067	–	711
1200×1000	1220	1220	1016	1020	711

注：GB/T12459-2017 尺寸范围 DN15-800，GB/T13401-92 尺寸范围 DN350-1200。
Note: GB/T12459-2017 size range is DN15-800. GB/T13401-92 size range is DN350-1200.

规定的对焊管件端部结构形式按 GB/T12459、GB/T13401。
End preparation of butt-welding fittings follows GB/T12459 and GB/T13401.

Product Details

Product Type	Concentric reducer for stainless steel butt weld pipe size transition
Material	Stainless steel
Connection	Butt weld pipe fitting connection
Dimension Data	Nominal pipe size, outside diameter, wall thickness, center-to-end or length dimensions are listed in the dimensions tables above
Applications	Stainless steel process piping, water, gas, steam, chemical and general industrial pipeline systems
Ordering Note	Confirm size, wall thickness/schedule, material grade, standard and end preparation when sending an inquiry