Air Flow Boosters | McMaster-Carr

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Air

Maximum Output Pressure

Maximum Pressure

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Pressure Input to Output Ratio

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Flow Input to Output Ratio

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1.32 gal. to 2.64 gal.

Material

For Compressed Air Type

Filtered

Nonlubricated

RoHS

Compliant

Compliant with Exemptions

Outlet Pipe Size

For Outlet Tube ID

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Minimum Input Pressure

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Export Control Classification Number (ECCN)

Overall Height

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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DFARS Specialty Metals

Fitting Connection

31 Products

Compressed Air Pressure Boosters


Adjustable, 1/4 NPTF Female Supply Inlet and Outlet	Fixed, 1/4 NPT Female Supply Inlet and Outlet	Fixed, 3/8 NPT Female Supply Inlet and Outlet

Ensure sufficient pressure to operate air-powered tools and machines. Pressure boosters compress the air supply, which increases air pressure. To maximize performance and service life, install a filter inline before the booster to remove particles down to the maximum particle size. Do not use boosters for tank capacities larger than specified.

Adjustable—Adjustable boosters have an integral regulator so you can fine-tune the output pressure. They come with pressure gauges on the inlet and outlet.

3/8 NPT Female Supply Inlet and Outlet—Boosters with _3/8 NPT female inlet and outlet require compressed air to operate—they have a drive inlet and a pilot inlet that control the booster.

	Input to Output Ratio		Pressure, psi							Overall			Mounting Holes
	Pressure	Flow	Input	Output	For Tank Cap. Range, gal.	Max. Particle Size, μm	No. of Inlets	Duty Cycle	Max. Temp., ° F	Lg.	Wd.	Ht.	No. of	Dia.	Mounting Fasteners Included		Each
Adjustable







				1/4 NPTF Female Supply Inlet and Outlet

				1:2	2:1	14.5 to 145	29 to 290	1.32 to 2.64	5	1	—	122	6"	5"	4 1/2"	4	0.22"	No	6828K75	0000000


				1:4	4:1	14.5 to 145	29 to 290	1.32 to 2.64	5	1	—	122	6"	5"	4 1/2"	4	0.22"	Yes	6828K76	000000


				Fixed







								1/4 NPT Female Supply Inlet and Outlet

								1:2	2:1	10 to 100	20 to 200	0 to 5	40	1	4 Minutes On, 4 Minutes Off	Not Rated	7 1/2"	5 1/4"	4 1/2"	4	0.28"	No	3680K41	00000000


								1:4	4:1	10 to 100	40 to 400	0 to 5	40	1	4 Minutes On, 4 Minutes Off	Not Rated	7 1/2"	5 1/4"	4 1/2"	4	0.28"	No	3680K44	00000000




										3/8 NPT Female Supply Inlet and Outlet

										1:2	2:1	25 to 150	30 to 300	4 to 60	40	1	30 Minutes On, 30 Minutes Off	180	17"	8"	11"	4	0.38"	No	9887K11	00000000


										1:5	7:1	30 to 870	90 to 870	1 to 15	40	2	30 Minutes On, 30 Minutes Off	140	24"	9"	9"	4	0.44"	No	9887K14	00000000

Air Booster Service Kits

Repair Kit

	For Inlet Pipe Size	For Inlet Thread Type	Includes		Each
Air-Drive Repair Kit



	1:2, 1:4	1/4	NPT	Bearing, Nine O-Rings, Spring, Star Washer	3680K312	0000000


	Complete Repair Kit



			1:2	1/4	NPT	Bearing, Cotter Pin, High-Pressure Seal, Star Washer, Thirteen O-Rings, Three Springs, Two Balls, Two Seat Balls	3680K411	000000


			1:4	1/4	NPT	Bearing, Cotter Pin, High-Pressure Seal, Star Washer, Thirteen O-Rings, Three Springs, Two Balls, Two Seat Balls	3680K441	000000

Compressed Air Flow Boosters


Adjustable	Fixed	Fixed with Flange

Create a high-flow air stream from your compressed air supply. Flow boosters draw in ambient air, which amplifies compressed air flow. To maximize performance and service life, install a filter inline before the booster to remove particles down to the maximum particle size. Use hose clamps (not included) to connect hose or duct to the inlet or outlet. Boosters with flange mount easily near your equipment.

Adjustable—Adjustable boosters allow you to fine-tune the flow—rotate the knurled ring to change the amount of ambient air drawn into the booster.

		Input				Ambient Air Inlet		Outlet		Overall		Flange		Mounting Holes
	Flow Input to Output Ratio	Flow Rate @ 90 psi, ft³/min	Pressure, psi	Output Flow Rate @ 90 psi, ft³/min	Max. Particle Size, μm	Connection	For Tube ID	Connection	Outlet Tube OD	Lg.	Wd.	Ht.	Lg.	No. of	Dia.	Mounting Fasteners Included		Each
Adjustable







				1/8 NPT Male Inlet

				1:6	13	5 to 150	35 to 65	20	Clamp On	0.75"	Clamp On	0.75"	2 9/16"	1"	—	—	—	—	—	19075K93	000000


				1:8	13	5 to 150	37 to 79	20	Clamp On	0.75"	Clamp On	0.75"	2 9/16"	1 1/8"	—	—	—	—	—	19075K94	00000
				1:12	25	5 to 150	155 to 250	20	Clamp On	1.125"	Clamp On	1.125"	2 5/8"	1 1/2"	—	—	—	—	—	19075K95	000000




						1/4 NPT Male Inlet

						1:15	28	5 to 150	200 to 400	20	Clamp On	1.5"	Clamp On	1.5"	3 1/4"	2"	—	—	—	—	—	19075K86	000000


						1:20	29	5 to 150	330 to 520	20	Clamp On	2"	Clamp On	2"	3 1/4"	2 1/2"	—	—	—	—	—	19075K87	000000
						1:22	40	5 to 150	380 to 840	20	Clamp On	2.5"	Clamp On	2.5"	4 5/8"	3"	—	—	—	—	—	19075K88	000000




								3/8 NPT Male Inlet

								1:25	51	5 to 150	700 to 1,200	20	Clamp On	3.5"	Clamp On	3.5"	5 1/4"	4"	—	—	—	—	—	19075K89	000000


								Fixed







												1/8 NPT Female Inlet

												1:4	8	10 to 200	29.2	5	Clamp On	0.75"	Clamp On	0.75"	2 1/2"	1 3/8"	—	—	—	—	—	5205K28	000000


												1:4	8	10 to 200	29.2	5	Clamp On	1.33"	Clamp On	0.75"	2 1/8"	1 3/8"	—	—	—	—	—	5205K27	000000
												1:4	17	10 to 200	62	5	Clamp On	1.33"	Clamp On	0.5"	2 5/8"	1 3/8"	—	—	—	—	—	5205K29	000000
												1:10	6.5	5 to 150	42	20	Clamp On	0.98"	Clamp On	0.73"	2 3/16"	2 5/16"	1.3"	2.3"	2	0.2"	No	5571K9	000000




														1/4 NPT Female Inlet

														1:15	11	5 to 150	155	20	Clamp On	1.5"	Clamp On	1.22"	2 3/4"	3"	1.9"	3"	2	0.27"	No	5571K11	000000




																3/8 NPT Female Inlet

																1:16	21	5 to 150	325	20	Clamp On	2.95"	Clamp On	2"	3 3/4"	4 1/8"	3.2"	4.1"	2	0.27"	No	5571K12	000000




																1/2 NPT Female Inlet

		1:17	42													5 to 150	615	20	Clamp On	4.92"	Clamp On	4"	7"	8 1/2"	5.9"	8.5"	2	0.53"	No	5571K13	000000

Air to Hydraulic Power Units

Power a hydraulic cylinder from your air system to avoid the setup, cost, and mess of hydraulic fluid. These converters give you more consistent power than using air power for an air cylinder. However, because air works at a lower pressure than hydraulic fluid, your hydraulic cylinder won’t move loads at its full force. Attach these converters to an air line with a speed controller and solenoid (not included).

Note: These converters are not for use near fire.

	Oil Displacement, mm						Overall, mm		Inlet Connection—BSPT		Outlet Connection—BSPT		Drain Connection—BSPT		Mounting Holes
	Max.	Increments	For Max. Hydraulic Cylinder Stroke Lg., mm	Max. Flow Rate, gpm	Max. Pressure, psi	Cap., gal.	Wd.	Ht.	Pipe Size	Dash Size	Pipe Size	Dash Size	Pipe Size	Dash Size	No. of	Dia., mm	Features		Each
For 40 mm Bore Dia.



		50	50	60	3.3	100	0.02	107	213	1/4	06	1/4	06	—	—	4	7	Drain Plug	6476N11	000000


		100	50	120	3.3	100	0.03	107	263	1/4	06	1/4	06	—	—	4	7	Drain Plug	6476N12	00000
		150	50	180	3.3	100	0.05	107	313	1/4	06	1/4	06	—	—	4	7	Drain Plug	6476N13	00000
		200	50	250	3.3	100	0.07	107	363	1/4	06	1/4	06	—	—	4	7	Drain Plug	6476N14	00000


		For 63 mm Bore Dia.



				50	50	150	7.9	100	0.04	104	228	3/8	06	3/4	12	1/4	06	4	11	Drain Plug	6476N15	00000


				100	50	300	7.9	100	0.08	104	278	3/8	06	3/4	12	1/4	06	4	11	Drain Plug	6476N16	000000
				200	50	600	7.9	100	0.16	104	378	3/8	06	3/4	12	1/4	06	4	11	Drain Plug	6476N17	000000
				300	50	890	7.9	100	0.24	104	503	3/8	06	3/4	12	1/4	06	4	11	Drain Plug	6476N18	000000