Air Injectors | McMaster-Carr

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Gas Suction Flow @ 20 psi Steam

Gas Suction Flow @ 50 psi Steam

Gas Suction Flow @ 80 psi Steam

Liquid Suction Flow Rate @ 10 Feet of Lift

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19 Products

Steam-Powered Jet Pumps

Use plant steam to pump liquids and gases, prime pumps, and remove fumes. When high-pressure steam enters the intake, it creates suction that draws a second liquid or gas into the pump body and discharges a pressurized blend of the two. The discharge pressure is greater than the suction flow but lower than the intake pressure. Gas suction flow is calculated using steam at atmospheric pressure. They have no moving parts or seals, eliminating downtime for lubrication and repairs. They're also known as eductors, ejectors, and injectors.

Note: Liquid suction flow rate is calculated using 80 psi steam at 0-40 feet of discharge head.

Bronze is more corrosion resistant than cast iron.

316 stainless steel pumps provide the most corrosion resistance.

Liquid Suction Flow Rate, gpm			Gas Suction Flow, cfm				Intake Pressure, psi			Suction		Intake		Discharge		Overall
@ 5 ft. of Lift	10 ft. of Lift	@ 20 ft. of Lift	@ 20 psi Steam	@ 50 psi Steam	@ 80 psi Steam	Max. Suction Lift, ft.	For Liquids	For Gases	Temp. Range, °F	Pipe Size	Thread Type	Pipe Size	Thread Type	Pipe Size	Thread Type	Lg.	Wd.		Each
For Use With Air, Inert Gas, Steam, Water
Cast Iron
6	5	3	5	4	3	20	35-150	20-80	-20° to 150°	1/2	NPT	3/8	NPT	1/2	NPT	4 1/2"	1 1/8"	0000000	0000000
10	9	5	8	6	6	20	35-150	20-80	-20° to 150°	3/4	NPT	1/2	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	000000
17	15	9	14	11	10	20	35-150	20-80	-20° to 150°	1	NPT	3/4	NPT	1	NPT	7 1/8"	1 3/4"	0000000	000000
31	27	15	24	20	17	20	35-150	20-80	-20° to 150°	1 1/4	NPT	1	NPT	1 1/4	NPT	9"	2 3/8"	0000000	000000
51	44	25	40	32	28	20	35-150	20-80	-20° to 150°	1 1/2	NPT	1	NPT	1 1/2	NPT	11"	2 5/8"	0000000	000000
93	80	46	73	58	51	20	35-150	20-80	-20° to 150°	2	NPT	1 1/4	NPT	2	NPT	14 3/8"	3 1/2"	0000000	000000
Bronze
6	5	3	5	4	3	20	35-150	20-80	-20° to 150°	1/2	NPT	3/8	NPT	1/2	NPT	4 1/2"	1 1/8"	0000000	000000
10	9	5	8	6	6	20	35-150	20-80	-20° to 150°	3/4	NPT	1/2	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	000000
17	15	9	14	11	10	20	35-150	20-80	-20° to 150°	1	NPT	3/4	NPT	1	NPT	7 1/8"	1 3/4"	0000000	000000
31	27	15	24	20	17	20	35-150	20-80	-20° to 150°	1 1/4	NPT	1	NPT	1 1/4	NPT	9"	2 3/8"	0000000	000000
51	44	25	40	32	28	20	35-150	20-80	-20° to 150°	1 1/2	NPT	1	NPT	1 1/2	NPT	11"	2 5/8"	0000000	000000
93	80	46	73	58	51	20	35-150	20-80	-20° to 150°	2	NPT	1 1/4	NPT	2	NPT	14 3/8"	3 1/2"	0000000	00000000
316 Stainless Steel
6	5	3	5	4	3	20	35-150	20-80	-150° to 150°	1/2	NPT	3/8	NPT	1/2	NPT	4 1/2"	1 1/8"	0000000	000000
10	9	5	8	6	6	20	35-150	20-80	-150° to 150°	3/4	NPT	1/2	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	000000
17	15	9	14	11	10	20	35-150	20-80	-150° to 150°	1	NPT	3/4	NPT	1	NPT	7 1/8"	1 3/4"	0000000	00000000
51	44	25	40	32	28	20	35-150	20-80	-150° to 150°	1 1/2	NPT	1	NPT	1 1/2	NPT	11"	2 5/8"	0000000	00000000
93	80	46	73	58	51	20	35-150	20-80	-150° to 150°	2	NPT	1 1/4	NPT	2	NPT	14 3/8"	3 1/2"	0000000	00000000

Coolant Reservoir Deodorizers

Inject air directly into your coolant to keep it odor free and extend service life.

			Housing
For Max. Reservoir Cap., gal.	Flow Rate, cc/min.	Tube Lg., ft.	Lg.	Wd.	Ht.	Material	Diffuser Material	Tube Material	Current	Voltage	Cord Lg., ft.	Plug Type		Each
2 Air Ports
50	3,000	3 1/2	5"	3"	2 1/2"	Plastic	Bronze	PVC Plastic	0.032A	120V AC	2 1/2	Two Prong	000000	000000
100	5,000	10	6"	4"	3"	Plastic	Bronze	PVC Plastic	0.041A	120V AC	2 1/2	Two Prong	000000	000000