How do variable-displacement piston pumps adjust output flow?

NOVEMBER 02, 2022

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Pressure Compensated Hydraulic PumpsA pressure compensator is a device built into some pumps for the purpose of automatically reducing (or stopping) pump flow if system pressure sensed on the

The Basics of Variable-Displacement Pump ControlsNov 14, 2016 — Pressure-compensated control is the most basic control for a variable-stroke piston pump. The swash plate of the pump is off-set by a heavy Understanding Variable Displacement Pumps - WHYPSMay 4, 2019 — The variable displacement pump converts mechanical energy(rotation of motor or engine) to hydraulic energy. But, some variable piston pumps will

BOSCH REXROTH A4V VARIABLE PUMPS
	D	N	C	A	H	f	S	J
HPR105-02/2540002653	140 mm	-	-	-	-	-	-	-
HPR135-02/255000261	80 mm	-	-	-	-	-	-	-
HPR210-02/2570002505	-	-	-	-	-	-	-	-
HPR210-02/2570002515	40,000 mm	-	12,000 mm	-	-	-	-	-
HPR105-02/2540002601	-	-	-	55 mm	190 mm	-	-	-
HPR100-01/2540002556	213 mm	-	-	-	-	-	-	-
HPR90-01/2540002551	560 mm	-	241 mm	-	-	10 mm	23,5 mm	442 mm
HPR75-02/253000255	82.931 mm	-	19.050 mm	-	-	-	-	-
HPR55-02/2520002553	110 mm	-	28 mm	-	-	-	-	-
A11VG50ES1-11R-PSC10F002S	0.748 Inch \| 19 Mill	-	-	-	-	-	-	-
A11VG50DA1D3-11R-PSC02F022S	1.344 Inch \| 34.13 M	-	-	-	-	-	-	-
A11VG12MD1-10R-NSC16F024S-S	-	-	-	-	-	-	-	-
A11VG50DA13L/12R-PSC10F022S	0 Inch \| 0 Millimete	-	-	-	-	-	-	-
HPR105-02/2540002582	49 mm	-	12 mm	-	-	-	-	-
HPR135-02/2550002633	19 mm	-	12 mm	-	-	-	-	-
HPR210-02/2570002504	1230,000 mm	-	895,000 mm	-	-	-	-	-
HPR160-01/2560002561	240 mm	-	38 mm	-	-	-	-	-
HPR75-02/25300025	310 mm	-	-	-	-	-	-	-
HPR210-02/2570002509	780 mm	-	-	-	-	-	-	-
HPR105-02/2540002679	21 mm	-	-	-	-	-	-	-
HPR160-01/256000255	-	-	28,575 mm	-	-	-	-	-
HPR160-01/2560002554	762 mm	-	71,438 mm	-	-	-	-	-
HPR100-01/2540002558	75 mm	-	23 mm	-	-	-	-	-
HPR280-02/258	76,2 mm	-	15,748 mm	-	-	-	-	-
HPR210-02/257	76 mm	-	38 mm	-	-	-	-	-
HPR130-01/2550002567	72 mm	-	12 mm	-	-	-	-	-
HPR210-02/25700025	215 mm	-	-	-	-	-	-	-
HPR135-02/2550002624	260 mm	-	-	-	-	-	-	-
HPR105-02/2540002578	150 mm	-	51 mm	-	-	-	4,7 mm	-
HPR135-02/2550002618	14 mm	-	5 mm	-	-	-	-	-
HPR210-02/2570002514	42 mm	-	-	-	-	-	-	-
HPR135-02/2550002606	30 mm	-	9 mm	-	-	-	-	-
HPR75-02/2530002557	55 mm	-	13 mm	-	-	1,12 mm	-	-
HPR135-02/2550002622	-	-	45 mm	-	-	-	-	-
HPR105-02/2540002693	110 mm	-	22 mm	-	-	-	-	-
HPR75-02/2530002551	580 mm	-	56 mm	-	-	-	5 mm	-
HPR105-02/2540002696	240 mm	-	-	-	-	-	-	-
HPR135-02/2550002623	-	9,5 mm	-	33 mm	144 mm	-	-	46 mm
HPR75-02/2530002558	340 mm	-	55 mm	-	-	-	-	-
HPR135-02/2550002619	385 mm	-	18 mm	-	55 mm	-	-	-
HPR135-02/2550002671	-	-	17.8 mm	-	-	-	-	-
HPR160-01/2560002559	-	-	-	-	-	-	-	-
HPR130-01/2550002565	23 mm	-	23 mm	-	-	-	-	-
HPR135-02/2550002602	540 mm	-	400 mm	-	-	-	-	-
HPR210-02/2570002502	12 mm	-	4 mm	-	-	-	-	-
HPR135-02/255000262	52 mm	-	15 mm	-	-	-	17,5 mm	-
HPR130-01/255000257	870 mm	-	272 mm	-	-	-	-	-
HPR105-02/2540002697	47,000 mm	-	-	-	18,000 mm	-	-	-
HPR100-01/2540002571	4 mm	-	2 mm	-	-	-	-	-
HPR105-02/2540002577	190 mm	-	20 mm	-	-	-	-	-
HPR105-02/2540002694	-	-	37 mm	-	-	-	-	-
HPR105-02/2540002553	-	-	-	-	-	-	-	-
HPR130-01/2550002571	400 mm	-	132 mm	-	-	-	-	-
HPR105-02/2540002692	360,000 mm	-	-	-	118,000 mm	-	-	-
HPR105-02/254000269	-	-	53 kN	-	130 mm	-	22 mm	-
HPR75-02/253	170 mm	-	32 mm	-	-	-	-	-
HPR130-01/255000255	-	-	-	208 mm	-	-	23 mm	-
HPR130-01/2550002551	-	15 mm	-	65 mm	-	-	25,4 mm	243 mm
HPR100-01/2540002568	7 mm	-	2,5 mm	-	-	-	-	-
HPR135-02/2550002609	47 mm	-	11,5 mm	5 mm	-	-	11 mm	-
HPR130-01/2550002669	34,8 mm	-	-	70 mm	71 mm	-	-	-
HPR135-02/2550002604	270 mm	-	-	-	-	-	-	-
HPR105-02/2540002585	-	-	-	-	-	-	-	-
HPR75-02/2530002561	150 mm	-	40 mm	-	-	-	-	123 mm
HPR135-02/2550002611	25 mm	-	17 mm	-	-	-	-	-
HPR160-01/256000266	149,225 mm	-	44,45 mm	-	-	-	-	-
HPR105-02/2540002576	-	-	-	-	-	-	-	-
HPR75-02/2530002502	145 mm	-	20 mm	-	-	-	-	-
HPR135-02/2550002614	1198 mm	-	-	-	-	-	-	-
HPR55-02/252	38,1 mm	-	15,88 mm	-	-	-	-	-
HPR130-01/2550002552	-	-	-	-	-	-	-	-
HPR135-02/25500026	125 mm	-	-	-	-	-	-	-
HPR105-02/2540002695	304,8 mm	-	-	-	-	-	-	-
HPR135-02/2550002641	120 mm	-	18 mm	-	-	-	-	-
HPR135-02/2550002615	76,2 mm	-	-	-	-	-	-	-
HPR90-01/2540002554	130 mm	-	46 mm	-	-	-	-	-
HPR160-01/2560002558	210 mm	-	-	5,3 / Factor min. lo	-	-	-	-
HPR135-02/2550002625	210 mm	-	-	-	-	-	-	-
HPR100-01/2540002591	-	-	-	-	95,2 mm	-	34,1 mm	247 mm
HPR75-02/2530002564	180 mm	-	70 mm	-	-	-	-	-
HPR100-01/254000257	-	35 mm	-	64 mm	146 mm	-	22,2 mm	-
HPR130-01/2550002558	72 mm	-	-	-	-	-	-	-
HPR160-01/2560002568	100 mm	-	11 mm	-	-	-	-	-
HPR130-01/2550002574	369,500 mm	-	92,000 mm	-	-	-	-	-
HPR210-02/2570002507	-	-	-	-	-	-	-	-
HPR160-01/2560002552	-	-	-	-	-	-	-	-
HPR90-01/2540002552	210 mm	-	69 mm	-	-	-	-	-
A2FO23/61R-PZB06-S	260 mm	-	-	-	-	-	-	-
A A2FO383/60R-VZH11	480 mm	-	-	-	-	-	-	-
AA2FO16/61L-NSC06-S	280 mm	-	-	-	-	-	-	-
A2FO23-61R-PPB05	420 mm	-	-	-	-	-	-	-
A2FO32/6.1R-PAB05	130 mm	-	-	-	-	-	-	-
A2FO56/61L-PPB05	140 mm	-	-	-	-	-	-	-
A2FO56/61L-VAB05	150 mm	-	-	-	-	-	-	-
A2FO10/6.1R-VPB06	72 mm	-	15 mm	-	-	-	-	-
A2FO63-61L-PAB05	115 mm	-	-	-	-	-	-	-
A2FO23/61L-PZP06	230 mm	-	-	-	-	-	-	-
A2FO12/61R-PPB06	145 mm	-	-	-	-	-	-	-
A A2FO200/UNGUEL**	1090 mm	-	-	-	-	-	-	-
A2FO16/61L-PAB06	110 mm	-	-	-	-	-	-	-
A2FO180/61L-PBB05	28 mm	-	-	-	-	-	-	-
AA2FO16/61R-VSC06-S	32 mm	-	-	-	-	-	-	-
A2FO45/61L-PPB05	52 mm	-	-	-	-	-	-	-

When and How to Adjust a Load-sensing Hydraulic PumpVariable-displacement pumps are used in hydraulic systems where the flow requirements vary. This usually means the system has several actuators and,

What is the difference between fixed and variable pumps?May 9, 2019 — Variable displacement axial piston pumps use a swashplate to guide the pistons as they reciprocate while rotating about the shaft's axis.Variable-displacement Pump Control Basics | Engineering360Sep 19, 2016 — Variable-displacement piston pumps (VDPP) offer control options based on pressure, flow, horsepower, or a combination of those parameters.

Engineering Essentials: Fundamentals of Hydraulic PumpsJan 1, 2012 — Positive-displacement pumps can be of either fixed or variable displacement. The output of a fixed displacement pump remains constant during How does a variable-displacement piston pump work?7 days ago — Piston pumps can be made variable-displacement by inserting springs inline with the pistons. The displacement is not positively controlled, but

Variable Displacement Piston Pump Technical Information matches pump output flow and pressure to system demand. This control will automatically regulate the pump displacement to deliver the flow required to.Hydraulic Pump BasicsVariable Displacement Piston Pump pump o. Electronic Displacement Control. ❖. Will adjust output flow in proportion to an electronic command .