2 Pipe Size Blowers | McMaster-Carr

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17 Products

High-Flow Low-Pressure Compressed Air Blowers

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

Single-stage blowers circulate air once and then exhaust.

Inverter Rated—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).

	Blowers														Air Intake Filters		Valves
							Overall				Pipe Size
	Max. Pressure	Max. Flow Rate @ Pressure	Vacuum Rating	Power, hp	Full Load Current @ Voltage	Volume (Sound)	Lg.	Wd.	Ht.	Temp. Range, ° F	Inlet	Outlet		Each		Each		Each
Single Phase, 120/208/230V AC







				NPT Female Inlet and Outlet

				1 psi 52 in. H₂O	156 ft³/min @ 0 psi	3.8 in. Hg 51 in. H₂O	2	19.7 amp @ 115V AC 10.6 amp @ 208V AC 9.9 amp @ 230V AC	71 dB	14"	13"	14"	5 to 100	2	2	0000000	000000000	———	0	0000000	0000000


				Three Phase, 190/230/380/460V AC (Inverter Rated)







								NPT Female Inlet and Outlet

								3 psi 79 in. H₂O	150 ft³/min @ 0 psi	6.5 in. Hg 88 in. H₂O	2 3/4	7.5 amp @ 190V AC 7.3 amp @ 230V AC 4.3 amp @ 380V AC 4.4 amp @ 460V AC	70 dBA	14"	13"	15"	32 to 100	2	2	0000000	00000000	———	0	———	0


								3 psi 92 in. H₂O	221 ft³/min @ 0 psi	7.1 in. Hg 96 in. H₂O	4 1/2	12.5 amp @ 190V AC 12.6 amp @ 230V AC 7.2 amp @ 380V AC 7.3 amp @ 460V AC	72 dBA	15"	15"	17"	32 to 100	2	2	0000000	00000000	———	0	———	0
								4 psi 116 in. H₂O	150 ft³/min @ 0 psi	7.7 in. Hg 104 in. H₂O	3 1/4	9.7 amp @ 190V AC 10.3 amp @ 230V AC 5.6 amp @ 380V AC 6 amp @ 460V AC	70 dBA	14"	13"	15"	32 to 100	2	2	0000000	00000000	———	0	———	0


								Three Phase, 208/230/460V AC (Inverter Rated)







												NPT Female Inlet and Outlet

												1 psi 52 in. H₂O	156 ft³/min @ 0 psi	3.8 in. Hg 51 in. H₂O	2	5.7 amp @ 208V AC 5.7 amp @ 230V AC 2.8 amp @ 460V AC	71 dB	14"	13"	14"	5 to 100	2	2	0000000	00000000	———	0	0000000	000000


												2 psi 80 in. H₂O	156 ft³/min @ 0 psi	6.6 in. Hg 89 in. H₂O	3	8.2 amp @ 208V AC 8.3 amp @ 230V AC 4.1 amp @ 460V AC	71 dB	14"	13"	14"	5 to 100	2	2	0000000	00000000	———	0	0000000	000000
												3 psi 110 in. H₂O	216 ft³/min @ 0 psi	8.1 in. Hg 110 in. H₂O	5 1/2	14.6 amp @ 208V AC 15.1 amp @ 230V AC 7.5 amp @ 460V AC	74 dB	15"	15"	15"	5 to 100	2	2	0000000	00000000	———	0	0000000	000000
												4 psi 105 in. H₂O	207 ft³/min @ 0 psi	6.5 in. Hg 88 in. H₂O	5	13 amp @ 208V AC 12 amp @ 230V AC 6 amp @ 460V AC	72 dBA	19"	15"	15"	32 to 100	2	2	0000000	00000000	00000000	0000000	00000000	000000
												4 psi 110 in. H₂O	265 ft³/min @ 0 psi	6.6 in. Hg 90 in. H₂O	6	16 amp @ 208V AC 15 amp @ 230V AC 7.5 amp @ 460V AC	79 dBA	17"	17"	18"	32 to 100	2	2	0000000	00000000	00000000	000000	00000000	000000

Two Stage

Two-stage blowers circulate air twice and then exhaust, creating higher pressure or vacuum than single-stage blowers with the same horsepower.

Inverter Rated—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).

	Blowers														Valves
							Overall				Pipe Size
	Max. Pressure	Max. Flow Rate @ Pressure	Vacuum Rating	Power, hp	Full Load Current @ Voltage	Volume (Sound), dBA	Lg.	Wd.	Ht.	Temp. Range, ° F	Inlet	Outlet		Each		Each
Three Phase, 208/230/460V AC (Inverter Rated)







				NPT Female Inlet and Outlet

				5 psi 140 in. H₂O	147 ft³/min @ 0 psi	11.8 in. Hg 160 in. H₂O	5 1/2	14.6 amp @ 208V AC 15.1 amp @ 230V AC 7.5 amp @ 460V AC	77	17"	18"	19"	5 to 100	2	2	0000000	000000000	0000000	0000000


				7 psi 200 in. H₂O	177 ft³/min @ 0 psi	13.3 in. Hg 180 in. H₂O	10	26.1 amp @ 208V AC 25 amp @ 230V AC 12.5 amp @ 460V AC	78	19 1/2"	19"	20"	5 to 100	2	2	0000000	00000000	0000000	000000
				8 psi 220 in. H₂O	147 ft³/min @ 0 psi	13.3 in. Hg 180 in. H₂O	7 1/2	19.8 amp @ 208V AC 19.5 amp @ 230V AC 9.7 amp @ 460V AC	78	18"	18"	19"	5 to 100	2	2	0000000	00000000	0000000	000000

High-Flow Low-Pressure Hazardous Location Compressed Air Blowers

Safely produce high-flow compressed air with low pressure or vacuum in environments with flammable gases and combustible dust, such as propane and carbon-based dust. These blowers have an explosion-proof motor and are UL listed for use in hazardous locations. Also known as regenerative blowers, they are commonly used to operate pump drives, lift tables, and conveying systems. They can also be used for drying, exhausting, and aerating.

Two Stage

Image of Product. Front orientation. Blowers. High-Flow Low-Pressure Hazardous Location Compressed Air Blowers.

							Overall				Pipe Size
	Max. Pressure	Max. Flow Rate @ Pressure	Vacuum Rating	Power, hp	Full Load Current @ Voltage	Volume (Sound), dBA	Lg.	Wd.	Ht.	Temp. Range, ° F	Inlet	Outlet	Hazardous Location Rating		Each
Three Phase, 208/230/460V AC (Inverter Rated)







				NPT Female Inlet and Outlet

				5 psi 150 in. H₂O	167 ft³/min @ 0 psi	11 in. Hg 149 in. H₂O	7 1/2	18.9 amp @ 208V AC 17.8 amp @ 230V AC 8.9 amp @ 460V AC	77	23"	18"	19"	5 to 100	2	2	NEC Class I Divisions 1, 2 Group D NEC Class II Division 2 Groups F, G	0000000	000000000


				8 psi 240 in. H₂O	128 ft³/min @ 0 psi	11.9 in. Hg 161 in. H₂O	7 1/2	18.9 amp @ 208V AC 17.8 amp @ 230V AC 8.9 amp @ 460V AC	75	27"	16"	19"	5 to 100	2	2	NEC Class I Divisions 1, 2 Group D NEC Class II Division 2 Groups F, G	0000000	00000000