Reducers

Material
OSNA^®-10 – copper-nickel-iron

Type and Construction
Concentric reducers up to and including 368 mm are normally supplied as one-piece and seamless.
Eccentric reducers up to and including 368 mm are normally supplied as one-piece and seamless.

Size			Wall Thickness	Length	Theoretical Weight
DN	OD₁ OD₂	S₁ S₂	L
inch	mm	mm	mm	mm	kg per piece
½ x ³/8	16 x 12	20 x 16	1 x 1	30	0.02
¾ x ³/8	20 x 12	25 x 16	1.5 x 1	30	0.02
¾ x ½	20 x 16	25 x 20	1.5 x 1	30	0.02
1 x ³/8	25 x 12	30 x 16	1.5 x 1	35	0.03
1 x ½	25 x 16	30 x 20	1.5 x 1	35	0.03
1 x ¾	25 x 20	30 x 25	1.5 x 1.5	35	0.04
1¼ x ³/8	32 x 12	38 x 16	1.5 x 1	50	0.04
1¼ x ½	32 x 16	38 x 20	1.5 x 1	50	0.04
1¼ x ¾	32 x 20	38 x 25	1.5 x 1.5	50	0.04
1¼ x 1	32 x 25	38 x 30	1.5 x 1.5	50	0.05
1½ x ½	40 x 16	44.5 x 20	1.5 x 1	80	0.05
1½ x ¾	40 x 20	44.5 x 25	1.5 x 1.5	80	0.06
1½ x 1	40 x 25	44.5 x 30	1.5 x 1.5	80	0.07
1½ x 1¼	40 x 32	44.5 x 38	1.5 x 1.5	80	0.08
2 x ¾	50 x 20	57 x 25	1.5 x 1.5	80	0.11
2 x 1	50 x 25	57 x 30	1.5 x 1.5	80	0.12
2 x 1¼	50 x 32	57 x 38	1.5 x 1.5	80	0.14
2 x 1½	50 x 40	57 x 44.5	1.5 x 1.5	80	0.16
2½ x 1	65 x 25	76 x 30	2 x 1.5	90	0.25
2½ x 1¼	65 x 32	76 x 38	2 x 1.5	90	0.27
2½ x 1½	65 x 40	76 x 44.5	2 x 1.5	90	0.30
2½ x 2	65 x 50	76 x 57	2 x 1.5	90	0.33
3 x 1¼	80 x 32	89 x 38	2 x 1.5	90	0.46
3 x 1½	80 x 40	89 x 44.5	2 x 1.5	90	0.48
3 x 2	80 x 50	89 x 57	2 x 1.5	90	0.49
3 x 2½	80 x 65	89 x 76	2 x 2	90	0.51
4 x 1½	100 x 40	108 x 44.5	2.5 x 1.5	100	0.58
4 x 2	100 x 50	108 x 57	2.5 x 1.5	100	0.60
4 x 2½	100 x 65	108 x 76	2.5 x 2	100	0.66
4 x 3	100 x 80	108 x 89	2.5 x 2	100	0.72
5 x 2	125 x 50	133 x 57	2.5 x 1.5	140	0.86
5 x 2½	125 x 65	133 x 76	2.5 x 2	140	0.90
5 x 3	125 x 80	133 x 89	2.5 x 2	140	0.94
5 x 4	125 x 100	133 x 108	2.5 x 2.5	140	0.98
6 x 2½	150 x 65	159 x 76	2.5 x 2	150	1.16
6 x 3	150 x 80	159 x 89	2.5 x 2	150	1.25
6 x 4	150 x 100	159 x 108	2.5 x 2.5	150	1.37
6 x 5	150 x 125	159 x 133	2.5 x 2.5	150	1.70
7 x 3	175 x 80	194 x 89	3 x 2	155	1.94
7 x 4	175 x 100	194 x 108	3 x 2.5	155	1.96
7 x 5	175 x 125	194 x 133	3 x 2.5	155	2.01
7 x 6	175 x 150	194 x 159	3 x 2.5	155	2.08
8 x 4	200 x 100	219 x 108	3 x 2.5	155	2.55
8 x 5	200 x 125	219 x 133	3 x 2.5	155	2.64
8 x 6	200 x 150	219 x 159	3 x 2.5	155	2.73
8 x 7	200 x 175	219 x 194	3 x 3	155	2.82
10 x 5	250 x 125	267 x 133	3 x 2.5	210	4.42
10 x 6	250 x 150	267 x 159	3 x 2.5	210	4.53
10 x 7	250 x 175	267 x 194	3 x 3	210	4.63
10 x 8	250 x 200	267 x 219	3 x 3	210	4.78
12 x 5	300 x 125	324 x 133	4 x 2.5	210	7.12
12 x 6	300 x 150	324 x 159	4 x 2.5	210	7.20
12 x 7	300 x 175	324 x 194	4 x 3	210	7.28
12 x 8	300 x 200	324 x 219	4 x 3	210	7.40
12 x 10	300 x 250	324 x 267	4 x 3	210	7.55
14 x 6	350 x 150	368 x 159	4 x 2.5	300	10.75
14 x 7	350 x 175	368 x 194	4 x 3	300	11.05
14 x 8	350 x 200	368 x 219	4 x 3	300	11.40
14 x 10	350 x 250	368 x 267	4 x 3	300	11.80
14 x 12	350 x 300	368 x 324	4 x 4	300	12.20
16 x 7	400 x 175	419 x 194	4 x 3	325	12.90
16 x 8	400 x 200	419 x 219	4 x 3	325	13.40
16 x 10	400 x 250	419 x 267	4 x 3	325	13.90
16 x 12	400 x 300	419 x 324	4 x 4	325	14.40
16 x 14	400 x 350	419 x 368	4 x 4	325	15.10
18 x 8	450 x 200	457 x 219	4.5 x 3	350	17.09
18 x 10	450 x 250	457 x 267	4.5 x 3	350	17.60
18 x 12	450 x 300	457 x 324	4.5 x 4	350	18.19
18 x 14	450 x 350	457 x 368	4.5 x 4	350	18.95
18 x 16	450 x 400	457 x 419	4.5 x 4	350	19.90
20 x 10	500 x 250	508 x 267	5 x 3	375	22.00
20 x 12	500 x 300	508 x 324	5 x 4	375	23.10
20 x 14	500 x 350	508 x 368	5 x 4	375	24.30
20 x 16	500 x 400	508 x 419	5 x 4	375	25.20
20 x 18	500 x 450	508 x 457	5 x 4.5	375	26.10
24 x 14	600 x 350	610 x 368	5 x 4	400	29.90
24 x 16	600 x 400	610 x 419	5 x 4	400	30.70
24 x 18	600 x 450	610 x 457	5 x 4.5	400	31.80
24 x 20	600 x 500	610 x 508	5 x 5	400	33.50

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