Positive Displacement Hydraulic Pumps

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1,750 psi to 1,999 psi

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Mounting Hole Center-to-Center

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UN/UNF (SAE Straight)

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39 Products

Hydraulic Gear Pumps

These gear pumps have few moving parts so they're less prone to wear than other hydraulic pumps. Combine with an electric motor to generate flow in a hydraulic system. To mount to a NEMA C-face motor, use a Pump-to-Motor Mount (sold separately).

SAE AA—3 1/4" Mounting Hole Center-to-Center

UN/UNF (SAE Straight) Thread—UN/UNF (SAE Straight) thread connections have straight threads and are also known as O-ring Boss fittings.

				Inlet Connection			Outlet Connection			Overall		Shaft
Fixed Displacement Rate, in³/rev	Max. Flow Rate	Max. Pressure, psi	Max. Rotation Speed, rpm	Thread Size	Thread Type	Dash Size	Thread Size	Thread Type	Dash Size	Lg.	Ht.	Dia.	Lg.	Choose a Drive Direction		Each



	0.11	1.7 gpm	2,500	4,000	7/8"-14	UN/UNF (SAE Straight)	10	3/4"-16	UN/UNF (SAE Straight)	08	4"	3 5/8"	1/2"	1 1/4"	Clockwise , Counterclockwise	0000000	0000000


	0.21	3.3 gpm	2,500	4,000	7/8"-14	UN/UNF (SAE Straight)	10	3/4"-16	UN/UNF (SAE Straight)	08	4 1/4"	3 5/8"	1/2"	1 1/4"	Clockwise , Counterclockwise	0000000	000000
	0.33	5.2 gpm	2,500	4,000	7/8"-14	UN/UNF (SAE Straight)	10	3/4"-16	UN/UNF (SAE Straight)	08	4 3/8"	3 5/8"	1/2"	1 1/4"	Clockwise , Counterclockwise	0000000	000000
	0.52	8.4 gpm	2,500	4,000	7/8"-14	UN/UNF (SAE Straight)	10	3/4"-16	UN/UNF (SAE Straight)	08	4 3/4"	3 5/8"	1/2"	1 1/4"	Clockwise , Counterclockwise	0000000	000000
	0.64	7.8 gpm	2,000	3,000	7/8"-14	UN/UNF (SAE Straight)	10	3/4"-16	UN/UNF (SAE Straight)	08	4 7/8"	3 5/8"	1/2"	1 1/4"	Clockwise , Counterclockwise	0000000	000000

SAE A—4 3/16" Mounting Hole Center-to-Center

UN/UNF (SAE Straight) Thread—UN/UNF (SAE Straight) thread connections have straight threads and are also known as O-ring Boss fittings.

				Inlet Connection			Outlet Connection			Overall		Shaft
Fixed Displacement Rate, in³/rev	Max. Flow Rate	Max. Pressure, psi	Max. Rotation Speed, rpm	Thread Size	Thread Type	Dash Size	Thread Size	Thread Type	Dash Size	Lg.	Ht.	Dia.	Lg.	Choose a Drive Direction		Each



	0.37	5.9 gpm	4,000	4,000	7/8"-14	UN/UNF (SAE Straight)	10	3/4"-16	UN/UNF (SAE Straight)	08	4 7/8"	4 5/8"	3/4"	1"	Clockwise , Counterclockwise	0000000	0000000


	0.49	7.9 gpm	4,000	4,000	1 1/16"-12	UN/UNF (SAE Straight)	12	7/8"-14	UN/UNF (SAE Straight)	10	5"	4 5/8"	3/4"	1"	Clockwise , Counterclockwise	0000000	000000
	0.61	9.9 gpm	4,000	4,000	1 1/16"-12	UN/UNF (SAE Straight)	12	7/8"-14	UN/UNF (SAE Straight)	10	5 1/8"	4 5/8"	3/4"	1"	Clockwise , Counterclockwise	0000000	000000
	0.98	11.9 gpm	4,000	3,000	1 1/16"-12	UN/UNF (SAE Straight)	12	7/8"-14	UN/UNF (SAE Straight)	10	5 1/2"	4 5/8"	3/4"	1"	Clockwise , Counterclockwise	0000000	000000
	1.16	14.1 gpm	4,000	3,000	1 5/16"-12	UN/UNF (SAE Straight)	16	1 1/16"-12	UN/UNF (SAE Straight)	12	5 5/8"	4 5/8"	3/4"	1"	Clockwise , Counterclockwise	0000000	000000
	1.4	15.9 gpm	3,200	2,800	1 5/16"-12	UN/UNF (SAE Straight)	16	1 1/16"-12	UN/UNF (SAE Straight)	12	5 7/8"	4 5/8"	3/4"	1"	Clockwise , Counterclockwise	0000000	000000
	1.65	16.1 gpm	2,700	2,400	1 5/16"-12	UN/UNF (SAE Straight)	16	1 1/16"-12	UN/UNF (SAE Straight)	12	6 1/8"	4 5/8"	3/4"	1"	Clockwise , Counterclockwise	0000000	000000

SAE B—5 3/4" Mounting Hole Center-to-Center

UN/UNF (SAE Straight) Thread—UN/UNF (SAE Straight) thread connections have straight threads and are also known as O-ring Boss fittings.

				Inlet Connection			Outlet Connection			Overall		Shaft
Fixed Displacement Rate, in³/rev	Max. Flow Rate	Max. Pressure, psi	Max. Rotation Speed, rpm	Thread Size	Thread Type	Dash Size	Thread Size	Thread Type	Dash Size	Lg.	Ht.	Dia.	Lg.	Choose a Drive Direction		Each



	2.01	24.5 gpm	4,000	3,000	1 5/8"-12	UN/UNF (SAE Straight)	20	1 5/16"-12	UN/UNF (SAE Straight)	16	7 1/8"	5 7/8"	7/8"	1 1/4"	Clockwise , Counterclockwise	0000000	0000000


	2.32	28.3 gpm	4,000	3,000	1 5/8"-12	UN/UNF (SAE Straight)	20	1 5/16"-12	UN/UNF (SAE Straight)	16	7 3/8"	5 7/8"	7/8"	1 1/4"	Clockwise	0000000	000000
	3.05	33.5 gpm	2,900	2,700	1 5/8"-12	UN/UNF (SAE Straight)	20	1 5/16"-12	UN/UNF (SAE Straight)	16	7 3/4"	5 7/8"	7/8"	1 1/4"	Clockwise , Counterclockwise	0000000	000000

SAE 4F17—2" Mounting Hole Center-to-Center

UN/UNF (SAE Straight) Thread—UN/UNF (SAE Straight) thread connections have straight threads and are also known as O-ring Boss fittings.

				Inlet Connection			Outlet Connection			Overall		Shaft
Fixed Displacement Rate, in³/rev	Max. Flow Rate	Max. Pressure, psi	Max. Rotation Speed, rpm	Thread Size	Thread Type	Dash Size	Thread Size	Thread Type	Dash Size	Lg.	Ht.	Dia.	Lg.	Drive Direction		Each



	0.07	0.8 gpm	3,000	4,000	9/16"-18	UN/UNF (SAE Straight)	06	9/16"-18	UN/UNF (SAE Straight)	06	4 5/8"	3 7/16"	1/2"	1 3/8"	Clockwise, Counterclockwise	0000000	0000000


	0.13	1.7 gpm	3,000	4,000	3/4"-16	UN/UNF (SAE Straight)	08	3/4"-16	UN/UNF (SAE Straight)	08	4 5/8"	3 7/16"	1/2"	1 3/8"	Clockwise, Counterclockwise	0000000	000000
	0.39	5 gpm	3,000	4,000	7/8"-14	UN/UNF (SAE Straight)	10	7/8"-14	UN/UNF (SAE Straight)	10	5 1/8"	3 7/16"	1/2"	1 3/8"	Clockwise, Counterclockwise	0000000	000000
	0.71	5.4 gpm	1,800	2,400	7/8"-14	UN/UNF (SAE Straight)	10	7/8"-14	UN/UNF (SAE Straight)	10	5 5/8"	3 7/16"	1/2"	1 3/8"	Clockwise, Counterclockwise	0000000	000000

Smooth-Operating Hydraulic Rotary Vane Pumps

					Inlet Connection—NPT		Outlet Connection—NPT		Overall		Shaft
SAE Pump Flange Size	Fixed Displacement Rate, in³/rev	Max. Flow Rate, gpm	Max. Pressure, psi	Max. Rotation Speed, rpm	Pipe Size	Dash Size	Pipe Size	Dash Size	Lg.	Ht.	Dia.	Lg.	Mounting Hole Ctr.-to-Ctr.	Drive Direction		Each







			Opposite-Side Port

			A	0.6	4.6	1,500	1,800	1	16	1/2	08	6 5/16"	4 13/16"	3/4"	1 7/16"	4 3/16"	Clockwise	0000000	000000000


			A	1.19	9.2	1,500	1,800	1	16	1/2	08	6 3/4"	4 13/16"	3/4"	1 7/16"	4 3/16"	Clockwise	0000000	00000000

Hydraulic Power Units

Create and supply hydraulic pressure. Choose a unit with a tank capacity about three times greater than your requirement to allow for heat dissipation. An inlet filter protects the pump from contamination.

All units include an additional NPTF threaded inlet port. NPTF (Dryseal) threads are compatible with NPT threads. UN/UNF (SAE Straight) thread connections have straight threads and are also known as O-ring Boss fittings.

					Overall			Inlet Connection — UN/UNF (SAE Straight)		Inlet Connection — NPTF		Outlet Connection — UN/UNF (SAE Straight)
	Max. Flow Rate, gpm	Max. Pressure, psi	Power, hp	Cap., gal.	Lg.	Wd.	Ht.	Thread Size	Dash Size	Pipe Size	Dash Size	Thread Size	Dash Size	Full Load Current @ Voltage		Each
240V AC/460V AC, Three Phase



		0.9	1,600	1	5	13"	15"	20 1/2"	7/8"-14	10	1/2	08	7/8"-14	10	1.5 amp @ 460V AC	00000000	000000000


		1.3	2,300	2	5	13"	15"	24 1/2"	7/8"-14	10	1/2	08	7/8"-14	10	2.8 amp @ 460V AC	00000000	00000000
		2.7	1,750	3	10	17 3/8"	19"	32 1/2"	1 1/16"-12	12	3/4	12	1 1/16"-12	12	4.4 amp @ 460V AC	00000000	00000000
		3.6	2,050	5	10	17 3/4"	19"	29 3/4"	1 1/16"-12	12	3/4	12	1 1/16"-12	12	6.8 amp @ 460V AC	00000000	00000000
		6.3	1,800	7 1/2	20	21 3/8"	22 1/2"	37 3/8"	1 1/16"-12	12	3/4	12	1 1/16"-12	12	9.5 amp @ 460V AC	00000000	00000000
		8.6	1,700	10	30	21 3/8"	22 1/2"	42 1/4"	1 1/16"-12	12	3/4	12	1 1/16"-12	12	12 amp @ 460V AC	00000000	00000000
		10.4	2,100	15	30	23 3/8"	22 1/2"	44 1/8"	1 1/16"-12	12	3/4	12	1 1/16"-12	12	18.1 amp @ 460V AC	00000000	000000000

Slim-Shaft Hydraulic Power Units


	Replacement Hydraulic Tanks

Mount these units to an existing machine or where space is limited. They create and supply hydraulic pressure where standard models won’t fit. Choose a unit with a tank capacity about three times greater than your requirement to allow for heat dissipation.

	Hydraulic Power Units														Replacement Hydraulic Tanks
					Overall			Inlet Connection — NPT		Outlet Connection — NPT
	Max. Flow Rate, gpm	Max. Pressure, psi	Power, hp	Cap., gal.	Lg.	Wd.	Ht.	Pipe Size	Dash Size	Pipe Size	Dash Size	Full Load Current @ Voltage		Each		Each
120V AC/240V AC, Single Phase



		1	2,500	2	2.3	36 1/8"	8 1/8"	8 5/8"	1/4	04	3/8	06	10 amp @ 240V AC	0000000	000000000	00000000	0000000


		1.5	2,500	2	2.3	34 7/8"	8 1/8"	8 5/8"	1/4	04	3/8	06	10 amp @ 240V AC	0000000	00000000	00000000	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	0000000	000000


		100	50	120	3.3	100	0.03	107	263	1/4	06	1/4	06	—	—	4	7	Drain Plug	0000000	00000
		150	50	180	3.3	100	0.05	107	313	1/4	06	1/4	06	—	—	4	7	Drain Plug	0000000	00000
		200	50	250	3.3	100	0.07	107	363	1/4	06	1/4	06	—	—	4	7	Drain Plug	0000000	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	0000000	00000


				100	50	300	7.9	100	0.08	104	278	3/8	06	3/4	12	1/4	06	4	11	Drain Plug	0000000	000000
				200	50	600	7.9	100	0.16	104	378	3/8	06	3/4	12	1/4	06	4	11	Drain Plug	0000000	000000
				300	50	890	7.9	100	0.24	104	503	3/8	06	3/4	12	1/4	06	4	11	Drain Plug	0000000	000000