ATS Part Type #37

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ATS Part Type #38

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ATS Part Type #39

ATS 90° saddle taps can be made for any size diameter to fit round duct equal to or greater than the diameter of the tap. The standard throat length is 6”. Alternative throat lengths are available, but must be specified. Saddle taps offer installation flexibility especially after the facility is operational. Contact ATS Engineering Department for methods of attaching a saddle tap on an operating system without the necessity for tool shutdown upstream of the tap. (See ATS Hot Tap in the Installation section of this guide, pages 151-152.)
For more information on other ATS saddle taps please see Part Types:

• #43–Round ATS 90° Slip Saddle Tee
• #46–Round ATS 45° Slip Saddle Tap
• #49–Round 45° Saddle Tap

Branch								Saddle					Bracket
Nom. Diameter		Outer Diameter		Outer Diameter		Throat Length		Width		Thickness			Height		Width		Length
in	mm	in	mm	in	mm	in	mm	in	mm	in	in	mm	in	mm	in	mm	in	mm
2	50	2 1/4	57	2 5/8	67	6	152	2 1/2	64	0.19	3/16	5	3/8	10	1/4	6	1	25
3	75	3 1/4	83	3 5/8	92	6	152	2 1/2	64	0.19	3/16	5	3/8	10	1/4	6	1	25
4	100	4 1/4	108	4 5/8	117	6	152	2 1/2	64	0.19	3/16	5	3/8	10	1/4	6	1	25
6	150	6 1/4	159	6 5/8	168	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
8	200	8 1/4	210	8 5/8	219	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
10	250	10 1/4	260	10 5/8	270	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
12	300	12 1/4	311	12 5/8	321	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
14	350	14 1/4	362	14 5/8	371	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
16	400	16 1/4	413	16 5/8	422	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
18	450	18 1/4	464	18 5/8	473	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
20	500	20 1/4	514	20 3/4	527	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
22	550	22 1/4	565	22 3/4	578	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
24	600	24 1/4	616	24 3/4	629	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
26	650	26 1/4	667	26 3/4	679	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
28	700	28 1/4	718	28 3/4	730	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
30	750	30 3/8	772	31	787	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
32	800	32 3/8	822	33	838	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
34	850	34 3/8	873	35	889	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
36	900	36 3/8	924	37	940	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
38	950	38 3/8	975	39	991	6	152	3	76	0.19	3/16	5	3/8	10	1/4	6	1	25
40	1000	40 3/8	1026	41 1/8	1045	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
42	1050	42 3/8	1076	43 1/8	1095	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
44	1100	44 3/8	1127	45 1/8	1146	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
48	1200	48 3/8	1229	49 1/8	1248	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
50	1250	50 3/8	1280	54 1/8	1375	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
52	1300	52 3/8	1330	53 1/8	1349	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
54	1350	54 3/8	1381	55 1/8	1400	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
60	1500	60 3/8	1534	61 1/8	1553	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
64	1600	64 3/8	1635	65 1/8	1654	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
68	1700	68 3/8	1737	69 1/8	1756	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
72	1800	72 3/8	1838	73 1/8	1857	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
84	2100	84 3/8	2143	85 1/8	2162	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51
120	3000	120 3/8	3058	121 3/4	3092	6	152	4	102	0.25	1/4	6	3/8	10	1/2	13	2	51

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ATS Part Type #40

For more information on other ATS taps see part types below.
Part Type:

• #37–Round ATS Bolted Saddle Tap
• #38–Round Bonded Double Shoe Tap
• #39–Round 90° Saddle Tee
• #42–Round 90° Bonded Shoe Tap
• #43–Round ATS 90° Slip Saddle Tap
• #44–Round 90° Bonded Concentric Conical Tee
• #45–Round 45° Bonded Concentric Tap
• #46–Round ATS 45° Slip Saddle Tap
• #47–Round 90° Bonded Tangential Tee
• #48–Round 45° Bonded Tangential Tee
• #49–Round 45° Saddle Tap

+ Standard Throat lengths are 6” but can be custom fabricated to length.

* Main diameter specified by customer

Tap								Main
Nominal Diameter		Inner Diameter		Outer Diameter		Throat Length+		Diameter
in	mm	in	mm	in	mm	in	mm	in	mm
2	50	2 1/4	57	2 5/8	67	6	152	*	*
3	75	3 1/4	83	3 5/8	92	6	152	*	*
4	100	4 1/4	108	4 5/8	117	6	152	*	*
6	150	6 1/4	159	6 5/8	168	6	152	*	*
8	200	8 1/4	210	8 5/8	219	6	152	*	*
10	250	10 1/4	260	10 5/8	270	6	152	*	*
12	300	12 1/4	311	12 5/8	321	6	152	*	*
14	350	14 1/4	362	14 5/8	371	6	152	*	*
16	400	16 1/4	413	16 5/8	422	6	152	*	*
18	450	18 1/4	464	18 5/8	473	6	152	*	*
20	500	20 1/4	514	20 3/4	527	6	152	*	*
22	550	22 1/4	565	22 3/4	578	6	152	*	*
24	600	24 1/4	616	24 3/4	629	6	152	*	*
26	650	26 1/4	667	26 3/4	679	6	152	*	*
28	700	28 1/4	718	28 3/4	730	6	152	*	*
30	750	30 3/8	772	31	787	6	152	*	*
32	800	32 3/8	822	33	838	6	152	*	*
34	850	34 3/8	873	35	889	6	152	*	*
36	900	36 3/8	924	37	940	6	152	*	*
38	950	38 3/8	975	39	991	6	152	*	*
40	1000	40 3/8	1026	41	1041	6	152	*	*
42	1050	42 3/8	1076	43 1/8	1095	6	152	*	*
44	1100	44 3/8	1127	45 1/8	1146	6	152	*	*
48	1200	48 3/8	1229	49 1/8	1248	6	152	*	*
50	1250	50 3/8	1280	51 1/8	1299	6	152	*	*
52	1300	52 3/8	1330	53 1/8	1349	6	152	*	*
54	1350	54 3/8	1381	55 1/8	1400	6	152	*	*
60	1500	60 3/8	1534	61 1/8	1553	6	152	*	*
64	1600	64 3/8	1635	65 1/8	1654	6	152	*	*
68	1700	68 3/8	1737	69 1/4	1759	6	152	*	*
72	1800	72 3/8	1838	73 1/4	1861	6	152	*	*
84	2100	84 3/8	2143	85 1/4	2165	6	152	*	*
120	3000	120 3/8	3058	121 1/4	3080	6	152	*	*

---

ATS Part Type #42

For more information on other ATS taps see part types below.
Part Type:

• #37–Round ATS Bolted Saddle Tap
• #38–Round Bonded Double Shoe Tap
• #39–Round 90° Saddle Tee
• #42–Round 90° Bonded Shoe Tap
• #43–Round ATS 90° Slip Saddle Tap
• #44–Round 90° Bonded Concentric Conical Tee
• #45–Round 45° Bonded Concentric Tap
• #46–Round ATS 45° Slip Saddle Tap
• #47–Round 90° Bonded Tangential Tee
• #48–Round 45° Bonded Tangential Tee
• #49–Round 45° Saddle Tap

+ Standard Throat lengths are 6” but can be custom fabricated to length.

* Main diameter specified by customer

Tap								Main
Nominal Diameter		Inner Diameter		Outer Diameter		Throat Length+		Diameter
in	mm	in	mm	in	mm	in	mm	in	mm
2	50	2 1/4	57	2 5/8	67	6	152	*	*
3	75	3 1/4	83	3 5/8	92	6	152	*	*
4	100	4 1/4	108	4 5/8	117	6	152	*	*
6	150	6 1/4	159	6 5/8	168	6	152	*	*
8	200	8 1/4	210	8 5/8	219	6	152	*	*
10	250	10 1/4	260	10 5/8	270	6	152	*	*
12	300	12 1/4	311	12 5/8	321	6	152	*	*
14	350	14 1/4	362	14 5/8	371	6	152	*	*
16	400	16 1/4	413	16 5/8	422	6	152	*	*
18	450	18 1/4	464	18 5/8	473	6	152	*	*
20	500	20 1/4	514	20 3/4	527	6	152	*	*
22	550	22 1/4	565	22 3/4	578	6	152	*	*
24	600	24 1/4	616	24 3/4	629	6	152	*	*
26	650	26 1/4	667	26 3/4	679	6	152	*	*
28	700	28 1/4	718	28 3/4	730	6	152	*	*
30	750	30 3/8	772	31	787	6	152	*	*
32	800	32 3/8	822	33	838	6	152	*	*
34	850	34 3/8	873	35	889	6	152	*	*
36	900	36 3/8	924	37	940	6	152	*	*
38	950	38 3/8	975	39	991	6	152	*	*
40	1000	40 3/8	1026	41	1041	6	152	*	*
42	1050	42 3/8	1076	43 1/8	1095	6	152	*	*
44	1100	44 3/8	1127	45 1/8	1146	6	152	*	*
48	1200	48 3/8	1229	49 1/8	1248	6	152	*	*
50	1250	50 3/8	1280	51 1/8	1299	6	152	*	*
52	1300	52 3/8	1330	53 1/8	1349	6	152	*	*
54	1350	54 3/8	1381	55 1/8	1400	6	152	*	*
60	1500	60 3/8	1534	61 1/8	1553	6	152	*	*
64	1600	64 3/8	1635	65 1/8	1654	6	152	*	*
68	1700	68 3/8	1737	69 1/4	1759	6	152	*	*
72	1800	72 3/8	1838	73 1/4	1861	6	152	*	*
84	2100	84 3/8	2143	85 1/4	2165	6	152	*	*
120	3000	120 3/8	3058	121 1/4	3080	6	152	*	*

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ATS Part Type #43

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ATS Part Type #45

ATS standard 45° bonded concentric tee can be made from any size diameter to fit round duct equal or greater than the diameter of the tap. The standard throat length is 6”. Alternative throat lengths are available, but must be specified.

For more information on other ATS taps see part types below.
Part Type:

• #37–Round ATS Bolted Saddle Tap
• #38–Round Bonded Double Shoe Tap
• #39–Round 90° Saddle Tee
• #42–Round 90° Bonded Shoe Tap
• #43–Round ATS 90° Slip Saddle Tap
• #44–Round 90° Bonded Concentric Conical Tee
• #45–Round 45° Bonded Concentric Tap
• #46–Round ATS 45° Slip Saddle Tap
• #47–Round 90° Bonded Tangential Tee
• #48–Round 45° Bonded Tangential Tee
• #49–Round 45° Saddle Tap

+ Standard Throat lengths are 6” but can be custom fabricated to length.

* Main diameter specified by customer

Tap								Main
Nominal Diameter		Inner Diameter		Outer Diameter		Throat Length+		Diameter
in	mm	in	mm	in	mm	in	mm	in	mm
2	50	2 1/4	57	2 5/8	67	6	152	*	*
3	75	3 1/4	83	3 5/8	92	6	152	*	*
4	100	4 1/4	108	4 5/8	117	6	152	*	*
6	150	6 1/4	159	6 5/8	168	6	152	*	*
8	200	8 1/4	210	8 5/8	219	6	152	*	*
10	250	10 1/4	260	10 5/8	270	6	152	*	*
12	300	12 1/4	311	12 5/8	321	6	152	*	*
14	350	14 1/4	362	14 5/8	371	6	152	*	*
16	400	16 1/4	413	16 5/8	422	6	152	*	*
18	450	18 1/4	464	18 5/8	473	6	152	*	*
20	500	20 1/4	514	20 3/4	527	6	152	*	*
22	550	22 1/4	565	22 3/4	578	6	152	*	*
24	600	24 1/4	616	24 3/4	629	6	152	*	*
26	650	26 1/4	667	26 3/4	679	6	152	*	*
28	700	28 1/4	718	28 3/4	730	6	152	*	*
30	750	30 3/8	772	31	787	6	152	*	*
32	800	32 3/8	822	33	838	6	152	*	*
34	850	34 3/8	873	35	889	6	152	*	*
36	900	36 3/8	924	37	940	6	152	*	*
38	950	38 3/8	975	39	991	6	152	*	*
40	1000	40 3/8	1026	41	1041	6	152	*	*
42	1050	42 3/8	1076	43 1/8	1095	6	152	*	*
44	1100	44 3/8	1127	45 1/8	1146	6	152	*	*
48	1200	48 3/8	1229	49 1/8	1248	6	152	*	*
50	1250	50 3/8	1280	51 1/8	1299	6	152	*	*
52	1300	52 3/8	1330	53 1/8	1349	6	152	*	*
54	1350	54 3/8	1381	55 1/8	1400	6	152	*	*
60	1500	60 3/8	1534	61 1/8	1553	6	152	*	*
64	1600	64 3/8	1635	65 1/8	1654	6	152	*	*
68	1700	68 3/8	1737	69 1/4	1759	6	152	*	*
72	1800	72 3/8	1838	73 1/4	1861	6	152	*	*
84	2100	84 3/8	2143	85 1/4	2165	6	152	*	*
120	3000	120 3/8	3058	121 1/4	3080	6	152	*	*

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ATS Part Type #46

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ATS Part Type #49

ATS standard 45° saddle taps can be made from any size diameter to fit round duct equal or greater than the diameter of the tap. The standard throat length is 6”. Alternative throat lengths are available, but must be specified. Saddle taps offer installation flexibility especially after the facility is operational. Contact ATS Engineering Department for methods of attaching a saddle tap on an operating duct, without the necessity for tool shutdown upstream of the tap.

For more information on other ATS saddle taps please see part types:

• #39–Round 45° Saddle Tap
• #43–Round ATS 90° Slip Saddle Tee
• #46–Round ATS 45° Slip Saddle Tap

Saddle Tap										Bracket
Nominal Diameter		Inner Diameter		Outer Diameter		Throat		Saddle		Height		Width		Length
in	mm	in	mm	in	mm	in	mm	Width	Thickness	in	mm	in	mm	in	mm
2	50	2 1/4	57	2 5/8	67	6	152	2 1/2	3/16	3/8	10	1/4	6	1/4	6
3	75	3 1/4	83	3 5/8	92	6	152	2 1/2	3/16	3/8	10	1/4	6	1/4	6
4	100	4 1/4	108	4 5/8	117	6	152	2 1/2	3/16	3/8	10	1/4	6	1/4	6
6	150	6 1/4	159	6 5/8	168	6	152	3	3/16	3/8	10	1/4	6	1/4	6
8	200	8 1/4	210	8 5/8	219	6	152	3	3/16	3/8	10	1/4	6	1/4	6
10	250	10 1/4	260	10 5/8	270	6	152	3	3/16	3/8	10	1/4	6	1/4	6
12	300	12 1/4	311	12 5/8	321	6	152	3	3/16	3/8	10	1/4	6	1/4	6
14	350	14 1/4	362	14 5/8	371	6	152	3	3/16	3/8	10	1/4	6	1/4	6
16	400	16 1/4	413	16 5/8	422	6	152	3	3/16	3/8	10	1/4	6	1/4	6
18	450	18 1/4	464	18 5/8	473	6	152	3	3/16	3/8	10	1/4	6	1/4	6
20	500	20 1/4	514	20 3/4	527	6	152	3	3/16	3/8	10	1/4	6	1/4	6
22	550	22 1/4	565	22 3/4	578	6	152	3	3/16	3/8	10	1/4	6	1/4	6
24	600	24 1/4	616	24 3/4	629	6	152	3	3/16	3/8	10	1/4	6	1/4	6
26	650	26 1/4	667	26 3/4	679	6	152	3	3/16	3/8	10	1/4	6	1/4	6
28	700	28 1/4	718	28 3/4	730	6	152	3	3/16	3/8	10	1/4	6	1/4	6
30	750	30 3/8	772	31	787	6	152	3	3/16	3/8	10	1/4	6	1/4	6
32	800	32 3/8	822	33	838	6	152	3	3/16	3/8	10	1/4	6	1/4	6
34	850	34 3/8	873	35	889	6	152	3	3/16	3/8	10	1/4	6	1/4	6
36	900	36 3/8	924	37	940	6	152	3	3/16	3/8	10	1/4	6	1/4	6
38	950	38 3/8	975	39	991	6	152	3	3/16	3/8	10	1/4	6	1/4	6
40	1000	40 3/8	1026	41	1041	6	152	4	1/4	3/8	10	1/2	13	2	51
42	1050	42 3/8	1076	43 1/8	1095	6	152	4	1/4	3/8	10	1/2	13	2	51
44	1100	44 3/8	1127	45 1/8	1146	6	152	4	1/4	3/8	10	1/2	13	2	51
48	1200	48 3/8	1229	49 1/8	1248	6	152	4	1/4	3/8	10	1/2	13	2	51
50	1250	50 3/8	1280	54 1/8	1375	6	152	4	1/4	3/8	10	1/2	13	2	51
52	1300	52 3/8	1330	53 1/8	1349	6	152	4	1/4	3/8	10	1/2	13	2	51
54	1350	54 3/8	1381	55 1/8	1400	6	152	4	1/4	3/8	10	1/2	13	2	51
60	1500	60 3/8	1534	61 1/8	1553	6	152	4	1/4	3/8	10	1/2	13	2	51
64	1600	64 3/8	1635	65 1/8	1654	6	152	4	1/4	3/8	10	1/2	13	2	51
68	1700	68 3/8	1737	69 1/4	1759	6	152	4	1/4	3/8	10	1/2	13	2	51
72	1800	72 3/8	1838	73 1/4	1861	6	152	4	1/4	3/8	10	1/2	13	2	51
84	2100	84 3/8	2143	85 1/4	2165	6	152	4	1/4	3/8	10	1/2	13	2	51
120	3000	120 3/8	3058	121 1/4	3080	6	152	4	1/4	3/8	10	1/2	13	2	51