Liquid Vacuums | McMaster-Carr

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31 Products

Chemical-Resistant Plastic Liquid-Powered Jet Pumps

Made from PVC, these pumps are highly corrosion resistant and lightweight. Use them to produce emulsions, elevate water, and transport grains and other small particles. When high-pressure liquid 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. 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 water at 100 psi with no feet of discharge head.

Liquid Suction Flow Rate, gpm						Suction		Intake		Discharge		Overall
@ 5 ft. of Lift	@ 10 ft. of Lift	@ 20 ft. of Lift	Max. Suction Lift, ft.	Operating Pressure, psi	Max. Temp., °F	Pipe Size	Thread Type	Pipe Size	Thread Type	Pipe Size	Thread Type	Lg.	Wd.		Each
For Use With Grain, Slurry, Water
PVC Plastic
8	7	5	27	100	70°	3/4	NPT	1/2	NPT	3/4	NPT	5 3/4"	2"	0000000	0000000
14	12	9	27	100	70°	1	NPT	1/2	NPT	1	NPT	6 7/8"	2 1/2"	0000000	000000
24	22	16	27	100	70°	1 1/4	NPT	3/4	NPT	1 1/4	NPT	9 1/8"	3"	0000000	000000
40	36	27	27	100	70°	1 1/2	NPT	1	NPT	1 1/2	NPT	11"	3 1/2"	0000000	000000
73	66	49	27	100	70°	2	NPT	1 1/4	NPT	2	NPT	14 1/4"	4"	0000000	000000
127	114	86	27	100	70°	2 1/2	NPT	1 1/2	NPT	2 1/2	NPT	18 1/2"	5"	0000000	00000000
237	213	160	27	100	70°	3	NPT	2	NPT	3	NPT	24 1/4"	6"	0000000	00000000

Metal Liquid-Powered Jet Pumps

Powered by liquid, use these to pump a second liquid or to produce emulsions, elevate water, and transport grains and other small particles. When high-pressure liquid enters the intake, it creates suction that draws a second liquid 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. 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 water at 100 psi with no feet of discharge head.

Bronze is more corrosion resistant than steel.

316 stainless steel pumps are the most corrosion-resistant metal option.

Liquid Suction Flow Rate, gpm						Suction		Intake		Discharge		Overall
@ 5 ft. of Lift	@ 10 ft. of Lift	@ 20 ft. of Lift	Max. Suction Lift, ft.	Operating Pressure, psi	Temp. Range, °F	Pipe Size	Thread Type	Pipe Size	Thread Type	Pipe Size	Thread Type	Lg.	Wd.		Each
For Use With Grain, Slurry, Water
Steel
8	7	5	27	80	-20° to 150°	3/4	NPT	3/8	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	0000000
8	7	5	27	80	-20° to 150°	3/4	NPT	1/2	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	000000
14	12	9	27	80	-20° to 150°	1	NPT	1/2	NPT	1	NPT	7 1/8"	1 3/4"	0000000	000000
24	22	16	27	80	-20° to 150°	1 1/4	NPT	3/4	NPT	1 1/4	NPT	9"	2 3/8"	0000000	000000
40	36	27	27	80	-20° to 150°	1 1/2	NPT	1	NPT	1 1/2	NPT	11"	2 5/8"	0000000	000000
73	66	49	27	80	-20° to 150°	2	NPT	1 1/4	NPT	2	NPT	14 3/8"	3 1/2"	0000000	000000
127	114	86	27	80	-20° to 150°	2 1/2	NPT	1 1/2	NPT	2 1/2	NPT	18 1/8"	4 1/2"	0000000	00000000
237	213	160	27	80	-20° to 150°	3	NPT	2	NPT	3	NPT	23 7/8"	6 1/8"	0000000	00000000
Bronze
8	7	5	27	15-200	-20° to 150°	3/4	NPT	3/8	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	000000
8	7	5	27	15-200	-20° to 150°	3/4	NPT	1/2	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	000000
14	12	9	27	15-200	-20° to 150°	1	NPT	1/2	NPT	1	NPT	7 1/8"	1 3/4"	0000000	000000
24	22	16	27	15-200	-20° to 150°	1 1/4	NPT	3/4	NPT	1 1/4	NPT	9"	2 3/8"	0000000	000000
40	36	27	27	15-200	-20° to 150°	1 1/2	NPT	1	NPT	1 1/2	NPT	11"	2 5/8"	0000000	000000
73	66	49	27	15-200	-20° to 150°	2	NPT	1 1/4	NPT	2	NPT	14 3/8"	3 1/2"	0000000	00000000
127	114	86	27	15-200	-20° to 150°	2 1/2	NPT	1 1/2	NPT	2 1/2	NPT	18 1/8"	4 1/2"	0000000	00000000
237	213	160	27	15-200	-20° to 150°	3	NPT	2	NPT	3	NPT	23 7/8"	6 1/8"	0000000	00000000
316 Stainless Steel
8	7	5	27	15-200	-150° to 150°	3/4	NPT	3/8	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	000000
8	7	5	27	15-200	-150° to 150°	3/4	NPT	1/2	NPT	3/4	NPT	5 7/8"	1 1/4"	0000000	000000
14	12	9	27	15-200	-150° to 150°	1	NPT	1/2	NPT	1	NPT	7 1/8"	1 3/4"	0000000	000000
24	22	16	27	15-200	-150° to 150°	1 1/4	NPT	3/4	NPT	1 1/4	NPT	9"	2 3/8"	0000000	00000000
40	36	27	27	15-200	-150° to 150°	1 1/2	NPT	1	NPT	1 1/2	NPT	11"	2 5/8"	0000000	00000000
73	66	49	27	15-200	-150° to 150°	2	NPT	1 1/4	NPT	2	NPT	14 3/8"	3 1/2"	0000000	00000000
127	114	86	27	15-200	-150° to 150°	2 1/2	NPT	1 1/2	NPT	2 1/2	NPT	18 1/8"	4 1/2"	0000000	00000000
237	213	160	27	15-200	-150° to 150°	3	NPT	2	NPT	3	NPT	23 7/8"	6 1/8"	0000000	00000000