Air Blowers For Air Knives

Also known as regenerative blowers, use these to produce high-flow compressed air with low pressure or vacuum to operate pump drives, lift tables, and conveying systems. Compressed air blowers are also used for drying, exhausting, and aeration.

Air circulates inside the blower housing to compress air, which generates pressure or vacuum. Single-stage blowers circulate air once and then exhaust. Two-stage blowers circulate air twice and then exhaust, creating higher pressure or vacuum than single-stage blowers with the same horsepower.

Inverter-rated blowers have a motor that can run at slow speeds without overheating, so they can be used with a motor speed control (variable frequency drive).

Single Stage

Blowers
						Overall			Pipe Size				Air-Intake Filters		Relief Valves
Maximum Pressure	Max. Flow Rate @ psi	Vacuum Rating	hp	Full Load Current @ V AC	Vol., dB	Lg.	Wd.	Ht.	Inlet	Outlet		Each		Each		Each
Single Phase, 120/208/230V AC
NPT Female Inlet and Outlet
1 psi 29 in. of H₂O	27 cfm @ 0	1.9 in. of Hg 27 in. of H₂O	1/8	2.3 A @ 115 1.2 A @ 208 1.2 A @ 230	57	9"	8"	9"	1	1	0000000	0000000	00000000	0000000	00000000	0000000
1 psi 39 in. of H₂O	42 cfm @ 0	2.6 in. of Hg 35 in. of H₂O	1/3	3.8 A @ 115 2.0 A @ 208 1.9 A @ 230	63	10"	9"	9"	1	1	0000000	000000	00000000	000000	00000000	000000
2 psi 42 in. of H₂O	52 cfm @ 0	3.0 in of Hg 40 in. of H₂O	1/2	6.0 A @ 115 3.2 A @ 208 3.0 A @ 230	68	13"	10"	10"	1 1/4	1 1/4	0000000	000000	00000000	000000	00000000	000000
2 psi 52 in. of H₂O	92 cfm @ 0	3.5 in. of Hg 48 in. of H₂O	1	9.8 A @ 115 5.2 A @ 208 4.9 A @ 230	68	13"	11"	12"	1 1/2	1 1/2	0000000	000000	00000000	000000	00000000	000000
2 psi 65 in. of H₂O	127 cfm @ 0	4.4 in. of Hg 60 in. of H₂O	1 1/2	17.5 A @ 115 10.0 A @ 208 9.0 A @ 230	74	16"	13"	14"	1 1/2	1 1/2	0000000	00000000	00000000	000000	00000000	000000
Single Phase, 120/230V AC
NPT Female Inlet and Outlet
2 psi 56 in. of H₂O	57 cfm @ 0	3.8 in. of Hg 52 in. of H₂O	1/2	6.0 A @ 115 3.0 A @ 230	56	10"	10"	10"	1 1/4	1 1/4	0000000	000000	000000	00	000000	00
3 psi 72 in. of H₂O	148 cfm @ 0	5.3 in. of Hg 72 in. of H₂O	2 1/4	24.0 A @ 115 12.0 A @ 230	70	14"	13"	13"	2	2	0000000	00000000	000000	00	000000	00
3 psi 76 in. of H₂O	102 cfm @ 0	5.3 in. of Hg 72 in. of H₂O	1 1/2	14.0 A @ 115 7.0 A @ 230	64	12"	11"	12"	1 1/2	1 1/2	0000000	00000000	000000	00	000000	00
Three Phase, 190/230/380/460V AC (Inverter Rated)
NPT Female Inlet and Outlet
2 psi 56 in. of H₂O	103 cfm @ 0	4.1 in. of Hg 56 in. of H₂O	1	2.2 A @ 380 4.4 A @ 190 3.7 A @ 230 2.1 A @ 460	64	11"	11"	12"	1 1/2	1 1/2	0000000	00000000	000000	00	000000	00
3 psi 79 in. of H₂O	150 cfm @ 0	6.5 in. of Hg 88 in. of H₂O	2 3/4	7.5 A @ 190 7.3 A @ 230 4.3 A @ 380 4.4 A @ 460	70	14"	13"	15"	2	2	0000000	00000000	000000	00	000000	00
3 psi 92 in. of H₂O	221 cfm @ 0	7.1 in. of Hg 96 in. of H₂O	4 1/2	12.5 A @ 190 12.6 A @ 230 7.2 A @ 380 7.3 A @ 460	72	16"	15"	17"	2	2	0000000	00000000	000000	00	000000	00
4 psi 116 in. of H₂O	150 cfm @ 0	7.7 in. of Hg 104 in. of H₂O	3 1/4	9.7 A @ 190 10.3 A @ 230 5.6 A @ 380 6.0 A @ 460	70	14"	13"	15"	2	2	0000000	00000000	000000	00	000000	00
Three Phase, 208/230/460V AC
NPT Female Inlet and Outlet
2 psi 43 in. of H₂O	53 cfm @ 0	2.9 in. of Hg 40 in. of H₂O	1/2	2.0 A @ 208 2.0 A @ 230 1.0 A @ 460	68	11"	10"	10"	1 1/4	1 1/4	0000000	000000	00000000	000000	00000000	000000
2 psi 52 in. of H₂O	92 cfm @ 0	3.5 in. of Hg 48 in. of H₂O	1	3.4 A @ 208 3.2 A @ 230 1.6 A @ 460	68	13"	11"	12"	1 1/2	1 1/2	0000000	000000	00000000	000000	00000000	000000
2 psi 65 in. of H₂O	127 cfm @ 0	4.4 in. of Hg 60 in. of H₂O	1 1/2	5.1 A @ 208 4.9 A @ 230 2.5 A @ 460	74	14"	13"	14"	1 1/2	1 1/2	0000000	00000000	00000000	000000	00000000	000000
Three Phase, 208/230/460V AC (Inverter Rated)
NPT Female Inlet and Outlet
4 psi 105 in. of H₂O	207 cfm @ 0	6.5 in. of Hg 88 in. of H₂O	5	13.0 A @ 208 12.0 A @ 230 6.0 A @ 460	72	17"	15"	15"	2	2	0000000	00000000	00000000	000000	00000000	000000
4 psi 110 in. of H₂O	265 cfm @ 0	6.6 in. of Hg 90 in. of H₂O	6	19.5 A @ 208 18.2 A @ 230 9.1 A @ 460	79	17"	17"	18"	2	2	0000000	00000000	00000000	000000	00000000	000000
5 psi 125 in. of H₂O	420 cfm @ 0	8.1 in. of Hg 110 in. of H₂O	10	35.0 A @ 208 29.5 A @ 230 15.0 A @ 460	78	22"	18"	20"	2 1/2	2 1/2	0000000	00000000	00000000	000000	00000000	000000
Three Phase, 220/275/380/480V AC (Inverter Rated)
NPT Female Inlet and Outlet
2 psi 64 in. of H₂O	57 cfm @ 0	4.4 in. of Hg 60 in. of H₂O	1/2	2.6 A @ 200 2.6 A @ 275 1.5 A @ 380 1.5 A @ 480	56	10"	10"	10"	1 1/4	1 1/4	0000000	000000	000000	00	000000	00
Three Phase, 230/460V AC (Inverter Rated)
NPT Female Inlet and Outlet
4 psi 105 in. of H₂O	795 cfm @ 0	7.0 in. of Hg 95 in. of H₂O	18	52.0 A @ 230 26.0 A @ 460	79	29"	18"	20"	2 1/2	4	0000000	00000000	00000000	000000	00000000	00000000

Two Stage

Blowers
						Overall			Pipe Size				Relief Valves
Maximum Pressure	Max. Flow Rate @ psi	Vacuum Rating	hp	Full Load Current @ V AC	Vol., dB	Lg.	Wd.	Ht.	Inlet	Outlet		Each		Each
Three Phase, 208/230/460V AC (Inverter Rated)
NPT Female Inlet and Outlet
5 psi 140 in. of H₂O	65 cfm @ 0	11.1 in. of Hg 151 in. of H₂O	2	5.8 A @ 208 5.2 A @ 230 2.8 A @ 460	72	16"	13"	14"	1 1/4	1 1/4	0000000	000000000	0000000	0000000
5 psi 141 in. of H₂O	81 cfm @ 0	11.1 in. of Hg 151 in. of H₂O	3	8.3 A @ 208 7.4 A @ 230 4.0 A @ 460	73	16"	14"	15"	1 1/4	1 1/4	0000000	00000000	0000000	000000

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