Concentric Reducer | Eccentric Reducer

CONC./ECC. REDUCER

Concentric Reducer

Eccentric Reducer

CONC./ECC. REDUCER

Conc. Red.

NPS	GB/T12459--2005CONC./ECC. REDUCER		End to End H	NPS	Unit:Inch		End to End H
	OD at Bevel				OD at Bevel
	Large	Small			Large	Small
3/4×1/2	1.05	0.84	1.50	4×31/2	4.50	4.00	4.00
3/4×3/8	1.05	0.68	1.50	4×3	4.50	3.50	4.00
1×3/4	1.32	1.05	2.00	4×21/2	4.50	2.88	4.00
1×1/2	1.32	0.84	2.00	4×2	4.50	2.38	4.00
11/4×1	1.66	1.32	2.00	4×11/2	4.50	1.90	4.00
11/4×3/4	1.66	1.05	2.00	5×4	5.56	4.50	5.00
11/4×1/2	1.66	0.84	2.00	5×31/2	5.56	4.00	5.00
11/2×11/4	1.90	1.66	2.50	5×3	5.56	3.50	5.00
11/2×1	1.90	1.32	2.50	5×21/2	5.56	2.88	5.00
11/2×3/4	1.90	1.05	2.50	5×2	5.56	2.38	5.00
11/2×1/2	1.90	0.84	2.50	6×5	6.62	5.56	5.50
2×11/2	2.38	1.90	3.00	6×4	6.62	4.50	5.50
2×11/4	2.38	1.66	3.00	6×31/2	6.62	4.00	5.50
2×1	2.38	1.32	3.00	6×3	6.62	3.50	5.50
2×3/4	2.38	1.05	3.00	6×21/2	6.62	2.88	5.50
21/2×2	2.88	2.38	3.50	8×6	8.62	6.62	6.00
21/2×11/2	2.88	1.90	3.50	8×5	8.62	5.56	6.00
21/2×11/4	2.88	1.66	3.50	8×4	8.62	4.50	6.00
1/2×1	2.88	1.32	3.50	8×31/2	8.62	4.00	6.00
3×21/2	3.50	2.88	3.50	10×8	10.75	8.62	7.00
3×2	3.50	2.38	3.50	10×6	10.75	6.62	7.00
3×11/2	3.50	1.90	3.50	10×5	10.75	5.56	7.00
3×11/4	3.50	1.66	3.50	10×4	10.75	4.50	7.00
31/2×3	4.00	3.50	4.00	12×10	12.75	10.75	8.00
31/2×21/2	4.00	2.88	4.00	12×8	12.75	8.62	8.00
31/2×2	4.00	2.38	4.00	12×6	12.75	6.62	8.00
31/2×11/2	4.00	1.90	4.00	12×5	12.75	5.56	8.00
31/2×11/4	4.00	1.66	4.00	--	--	--	--
14×12	14.00	12.75	13.00	24×22	24.00	22.00	20.00
14×10	14.00	10.75	13.00	24×20	24.00	20.00	20.00
14×8	14.00	8.62	13.00	24×18	24.00	18.00	20.00
14×6	14.00	6.62	13.00	24×16	24.00	16.00	20.00
16×14	16.00	14.00	14.00	26×24	26.00	24.00	24.00
16×12	16.00	12.75	14.00	26×22	26.00	22.00	24.00
16×10	16.00	10.75	14.00	26×20	26.00	20.00	24.00
16×8	16.00	8.62	14.00	26×18	26.00	18.00	24.00
18×16	18.00	16.00	15.00	28×26	28.00	26.00	24.00
18×14	18.00	14.00	13.00	28×24	28.00	24.00	24.00
18×12	18.00	12.75	15.00	28×20	28.00	20.00	24.00
18×10	18.00	10.75	15.00	28×18	28.00	18.00	24.00
20×18	20.00	18.00	20.00	30×28	30.00	28.00	24.00
20×16	20.00	16.00	20.00	30×26	30.00	26.00	24.00
20×14	20.00	14.00	20.00	30×24	30.00	24.00	24.00
20×12	20.00	12.75	20.00	30×20	30.00	20.00	24.00
22×20	22.00	20.00	20.00	32×30	32.00	30.00	24.00
22×18	22.00	18.00	20.00	32×28	32.00	28.00	24.00
22×16	22.00	16.00	20.00	32×26	32.00	26.00
22×14	22.00	14.00	20.00	32×24	32.00	24.00	24.00
Note: When the "bell-shaped" diameter pipe diagram form, does not prohibit the use of cone diameter pipe.