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Home > Pumps > Gear Pump

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1/2/4/5 GPM Hydraulic Tandem Gear Pump, 3600 psi

$353.69

Hydraulic tandem gear pump has double working pump. Optional displacement 1/2/4/5 Max. GPM, rated pressure 3000 psi, max 3600

SKU: CHN-HTGP-1245

Free Shipping Worldwide

Delivery date: 6-12 days

Overview
Documents

Buy hydraulic tandem gear pump from ideal manufacturer. Displacement 1/2/4/5 Max. GPM for selection, working pressure 3000~3600 psi, speed 1800~4300 rpm, clockwise or counterclockwise rotary is available. 2-stage hydraulic gear pump has double pump, the front and rear gear pumps work independently of each other, and any combination of displacements can be customized according to requirements.

Specification

Model	CHN-HGP-11A
Displacement	mL/ rev
	0.8	1	2	3	4	5	6	7.8
	Max. GPM (Gallon/min)
	0.9	1	2	3.4	3.38	4	5	6.5
Rated Speed	1800 rpm	1800 rpm	1800 rpm	1800 rpm	1800 rpm	1800 rpm	1800 rpm	1800 rpm
Max. Speed	4300 rpm	4300 rpm	4300 rpm	4300 rpm	3200 rpm	3200 rpm	3200 rpm	3200 rpm
Min. Speed	1000 rpm	1000 rpm	1000 rpm	600 rpm	600 rpm	600 rpm	600 rpm	600 rpm
Rated Pressure	3000 psi (21 MPa)
Max. Pressure	3600 psi (25 MPa)
Volumetric Efficiency	88%	88%	88%	91%	91%	91%	91%	91%
Mechanical Efficiency	85%	85%	85%	88%	88%	88%	88%	88%
Inlet Thread	PT 3/8"							PT 1/2"
Outlet Thread	PT 3/8"
Rotary Direction	clockwise, counterclockwise
Mounting Flange	SAE 2-bolt

Features

Hydraulic tandem gear pump uses high-strength aluminum alloy shell and alloy steel hard gear transmission, which is light in weight and stable in transmission.
Installation of the hydraulic tandem gear pump is SAE 2-bolt standard flange. Input shaft connection is woodruff key. Connection type of the oil inlet and outlet ports is thread.
Hydraulic tandem gear pump has an automatic compensation mechanism for axial and radial clearances, which enables the oil pump to maintain high volumetric efficiency and high mechanical efficiency for a long time.
Hydraulic tandem gear pump uses SP gears, with small fluctuation, high pressure, low noise and stable performance.
Hydraulic tandem gear pump uses composite material bearings and high-performance sealing elements, has a small starting torque and good tightness, and can work efficiently under harsh working conditions.

1/2/4/5 GPM Hydraulic Tandem Gear Pump Dimensions Diagram (Unit: mm)

Front Pump Displacement (Max. GPM)	Rear Pump Displacement (Max. GPM)	A (mm)	B (mm)	C (mm)	Weight (kg)
6.5	0.9	147.5	45.5	67	2.1
5	0.9	141.5	42.5	64	2.0
4	0.9	137.5	40.5	62	1.9
6.5	1	149.5	45.5	68	2.1
5	1	143.5	42.5	65	2.0
4	1	139.5	40.5	63	1.9
6.5	2	152.0	45.5	69.5	2.2
5	2	146.0	42.5	66.5	2.1
4	2	142.0	40.5	64.5	2.0
6.5	3.4	157.5	45.5	72	2.3
5	3.4	151.5	42.5	69	2.2
4	3.4	147.5	40.5	67	2.1
0.9	0.9	121.5	32.5	54	1.6
1	1	125.5	33.5	56	1.7
2	2	130.5	34.8	58.5	1.8
3.4	3.4	141.5	37.5	64	2.0
3.38	3.38	146.5	38.5	66	2.0
4	4	153.5	40.5	70	2.1
5	5	161.5	42.5	74	2.3
6.5	6.5	173.5	45.5	80	2.5

*Note: the dimensions of other displacement combinations will not be listed one by one. Please contact us for more information.

Tips: Why does the 5 GPM hydraulic tandem gear pump wear out?

5 GPM hydraulic tandem gear pump shell wear is mainly due to the wear of the floating shaft sleeve hole. The normal clearance between gear shaft and shaft sleeve is 0.09~0.175mm, and the maximum should not exceed 0.20mm. When the gear is working, under the action of pressure oil, the tip of gear is close to the hydraulic pump housing, which wears the low pressure cavity part of pump body. The other type of wear is the wear of the working surface in the housing in a circle. This wear is mainly due to the dirty oil added, so hydraulic oil without impurities must be added.

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