1. Technical Drawing

2. Dimensions of MSS Sp 43 Reducing Tee

NPS	O.DR	O.DO	C	M
3/4 x 3/4 x 1/2	1.05	0.84	1.12	1.12
1 x 1 x 3/4	1.32	1.05	1.50	1.50
1 x 1 x 1/2	1.32	0.84	1.50	1.50
1-1/4 x 1-1/4 x 1	1.66	1.32	1.88	1.88
1-1/4 x 1-1/4 x 3/4	1.66	1.05	1.88	1.88
1-1/4 x 1-1/4 x 1/2	1.66	0.84	1.88	1.88
1-1/2 x 1-1/2 x 1-1/4	1.90	1.66	2.25	2.25
1-1/2 x 1-1/2 x 1	1.90	1.32	2.25	2.25
1-1/2 x 1-1/2 x 3/4	1.90	1.05	2.25	2.25
2 x 2 x 1-1/2	2.38	1.90	2.50	2.38
2 x 2 x 1-1/4	2.38	1.66	2.50	2.25
2 x 2 x 1	2.38	1.32	2.50	2.00
2 x 2 x 3/4	2.38	1.05	2.50	1.75
2-1/2 x 2-1/2 x 2	2.88	2.38	3.00	2.75
2-1/2 x 2-1/2 x 1-1/2	2.88	1.90	3.00	2.62
2-1/2 x 2-1/2 x 1-1/4	2.88	1.66	3.00	2.50
2-1/2 x 2-1/2 x 1	2.88	1.32	3.00	2.25
3 x 3 x 2-1/2	3.50	2.88	3.38	3.25
3 x 3 x 2	3.50	2.38	3.38	3.00
3 x 3 x 1-1/2	3.50	1.90	3.38	2.88
3-1/2 x 3-1/2 x 3	4.00	3.50	3.75	3.62
3-1/2 x 3-1/2 x 2-1/2	4.00	2.88	3.75	3.50
3-1/2 x 3-1/2 x 2	4.00	2.38	3.75	3.25
3-1/2 x 3-1/2 x 1-1/2	4.00	1.90	3.75	3.12
4 x 4 x 3-1/2	4.50	4.00	4.12	4.00
4 x 4 x 3	4.50	3.50	4.12	3.88
4 x 4 x 2-1/2	4.50	2.88	4.12	3.75
4 x 4 x 2	4.50	2.38	4.12	3.50
4 x 4 x 1-1/2	4.50	1.90	4.12	3.38
5 x 5 x 4	5.56	4.50	4.88	4.62
5 x 5 x 3-1/2	5.56	4.00	4.88	4.50
5 x 5 x 3	5.56	3.50	4.88	4.38
5 x 5 x 2-1/2	5.56	2.88	4.88	4.25
5 x 5 x 2	5.56	2.38	4.88	4.12
6 x 6 x 5	6.62	5.56	5.62	5.38
6 x 6 x 4	6.62	4.50	5.62	5.12
6 x 6 x 3-1/2	6.62	4.00	5.62	5.00
6 x 6 x 3	6.62	3.50	5.62	4.88
6 x 6 x 2-1/2	6.62	2.88	5.62	4.75
8 x 8 x 6	8.62	6.62	7.00	6.62
8 x 8 x 5	8.62	5.56	7.00	6.38
8 x 8 x 4	8.62	4.50	7.00	6.12
8 x 8 x 3-1/2	8.62	4.00	7.00	6.00
10 x 10 x 8	10.75	8.62	8.50	8.00
10 x 10 x 6	10.75	6.62	8.50	7.62
10 x 10 x 5	10.75	5.56	8.50	7.50
10 x 10 x 4	10.75	4.50	8.50	7.25
12 x 12 x 10	12.75	10.75	10.00	9.50
12 x 12 x 8	12.75	8.62	10.00	9.00
12 x 12 x 6	12.75	6.62	10.00	8.62
12 x 12 x 5	12.75	5.56	10.00	8.50
14 x 14 x 12	14.00	12.75	11.00	10.62
14 x 14 x 10	14.00	10.75	11.00	10.12
14 x 14 x 8	14.00	8.62	11.00	9.75
14 x 14 x 6	14.00	6.62	11.00	9.38
16 x 16 x 14	16.00	14.00	12.00	12.00
16 x 16 x 12	16.00	12.75	12.00	11.62
16 x 16 x 10	16.00	10.75	12.00	11.12
16 x 16 x 8	16.00	8.62	12.00	10.75
16 x 16 x 6	16.00	6.62	12.00	10.38
18 x 18 x 16	18.00	16.00	13.50	13.00
18 x 18 x 14	18.00	14.00	13.50	13.00
18 x 18 x 12	18.00	12.75	13.50	12.62
18 x 18 x 10	18.00	10.75	13.50	12.12
18 x 18 x 8	18.00	8.62	13.50	11.75
20 x 20 x 18	20.00	18.00	15.00	14.50
20 x 20 x 16	20.00	16.00	15.00	14.00
20 x 20 x 14	20.00	14.00	15.00	14.00
20 x 20 x 12	20.00	12.75	15.00	13.62
20 x 20 x 10	20.00	10.75	15.00	13.12
20 x 20 x 8	20.00	8.62	15.00	12.75
24 x 24 x 20	24.00	20.00	17.00	17.00
24 x 24 x 18	24.00	18.00	17.00	16.50
24 x 24 x 16	24.00	16.00	17.00	16.00
24 x 24 x 14	24.00	14.00	17.00	16.00
24 x 24 x 12	24.00	12.75	17.00	15.62
24 x 24 x 10	24.00	10.75	17.00	15.12

*All dimensions are in inch unit. *O.D_R: outside diameter of runlet; *O.D_O: outside diameter of outlet.
*C: length of center-to-end run; M: length of center-to-end outlet. Size range: from NPS 3/4 to NPS 24.

3. Tolerances

NPS	CM-Tol	OA
1/2"~1-1/2"	±0.06”	0.03“
2"~3-1/2"	±0.06”	0.03“
4"	±0.06”	0.03“
5"~8"	±0.06”	0.06”
10"~18"	±0.09”	0.09“
20"~24"	±0.09”	0.12”

*The tolerances of reducing tees are the same as that of straight tees. All units are in inch.
*CM-Tol: the tolerances for center-to-end dimensions C & M; *OA: off angle of angularity tolerances.

See more technical specifications of MSS SP 43.