What is the difference between fixed and variable displacement pumps?

NOVEMBER 02, 2022

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Understanding Variable Displacement Pumps - WHYPSMay 4, 2019 — The non-positive hydraulic pumps produce continuous flow and the positive displacement pump produces an approximate constant flow at fixed speed 

Engineering Essentials: Fundamentals of Hydraulic PumpsPositive-displacement pumps can be of either fixed or variable displacement. The output of a fixed displacement pump remains constant during each pumping What is the difference between fixed and variable pumps?May 9, 2019 — A variable displacement pump has a method of increasing or reducing displacement either manually, hydraulically or electronically. The method of 

BOSCH REXROTH A10VO PISTON PUMPS
MaKCDEPT
A4VG56DA1D2/32R-NZC02F025S - - - - - - - -
A4VG125DE4DT1/32R-VAF02F013FRH-S - - - 18(3) mm80 mm - - -
A4VG40HD1DT1/32R-NAC02K045E-S - - - 20 mm80 mm - - -
A4VG125EP0MT1/32R-NSF02F691SP-S - - - - - - - -
A4VG90EP2D2 32R-NZF02F041SH - - - - - 184 mm79 mm -
A4VG90EP2D1/32L-NSF02F001LP - 12,7 mm - 38,1 mm393,7 mm - - 50,8 mm
A4VG56HWDM1+A4VG28EZ1M1 - - - 10 mm32 mm - - -
A4VG71EP2D1/32R-NZF10F001D-S - - - - - - - -
AA4VG125EP2DT1/32R-NSF52F071FH-ES - - - 75 mm380 mm - - -
A4VG085EP1DP000 40MRNC6Z81F0000AS4 - - - - 150 mm - - -
A4VG90DE2D1-32L-NAF02F001ST-S - - - 15,88 mm30,163 mm - - -
A4VG125HDMT1-32R-NSF02F021S-S - 4.3 mm - 23.813 mm112.713 mm - - 30.163 mm
A4VG045DA1DP003/40MRNC2S71F0000AF00-S - 4,7625 mm - 32 mm110 mm - - -
A4VG125DWD1/32L-NSF02F691D-S - - - - 22,000 mm - - -
A4VG71DA1DT3L-32R-NZF02F021SH - - - 100 mm180 mm - - -
A4VG71EP2D1/32R-NZF10F001D-S - - - - - - - -
AA4VG90DGD3L-32R-NXFXXFXX1D-SR902014 mm - - 36 mm - - - -
A4VG71DA1D4-31R-NZF02F021P - - - 80 mm240 mm - - -
AA4VG90HDD1-31L-NSF52F001D - - - 44,45 mm88,9 mm - - -
A4VG140ES2D1-32L-NAF02F691S-S - - - 224 mm750 mm - - -
A4VG90HDD1-32R-NZF02F021F - - - - - - - -
A4VG71HD3D1/32R-NZF02F001S - - - 20.6 mm52 mm - - -
A4VG40EP3D1/32R-NAC02F043SH-S - 135,7 mm - 114,3 mm - - - 146,05 mm
A4VG71HWD1/32R-NSF02F001S - - - - - - - -
A4VG40DA1D3L/32R-NZC02F015DH - - - 14 mm62 mm - - -
A4VG90 HD3D1/32L-NSF02F001D - - - - - - - -
AA4VG28EP1/30+AA4VG28EP1/30 *G* - - - 11 mm35 mm - - -
A4VG145EP2DT0T0/40MLND6A11FB2S5AD00-Y - - - 60 mm406,4 mm - - 78 mm
A4VG110EP4DP0T0/40NRNC6A11U0000DE00-S - - - - 340 mm - - -
A4VG40DA1D7/32R-NZC02F005SH-S - - - - 400 mm - - 63 mm
A4VG175EP4DH0M0/40NLND6A21UD4A2AE00-S - - - - - - - -
A4VG125HDD1-32R-NAF02F741S - - - - - - - -
AA4VG125EP4DT1/32R-NSF52F001FH-S - - - - 34 mm - - -
A4VG71DA1D7/32R-NZF02F041S *G* - - - - 72 mm - - 22 mm
A4VG90DA1D7/32R-NZF02F021SH-S - - - 36 mm220 mm - - -
A4VG71EP4/32+A10VO60DFR1/52 - - - 7 mm24 mm - - -
A4VG125EP4/32+A11VO95DRS/1 - - - 24 mm125 mm - - -
A4VG71HDD1-32R-NZF02F021S - - - 1,25 inch38,1 mm - - -
A4VG90DA1D3L/32R-NZF02F071LH-S - - - - - - - -
A4VG56EP4D1/32R-NTC10K045EP-S - - - 104 mm - - - 130 mm
A4VG125 DA2D2/32L-NZF02F001SH-S *AL* - - - - 200 mm - - -
A4VG90HD3DT1/32R-NAF02K071E-S - - - - - - - -
A4VG180EP4D1/32R+A4VG125EP4D1/32R - - - - 533,4 mm - - 276,225 mm
A4VG250NVDT1/32L-NZD10F071D-S - - - 16 mm27 mm - - -
A4VG71DGD2-32R-NZF02F011S - - - 7 mm28 mm - - -
A4VG250HD3D1/32R-NSD10F001D - - - 15 mm - - - -
A4VG40EP1-X+A4FM40-X - - - 1,5 mm - - - -
A4VG105EP3D1/32R-NSF02F041SH-S - - - 74 mm480 mm - - -
A4VG140ES2D1-32L-NAF02F041S-S - 306 mm - - - - - -
A4VG140ES2D1-32L-NAF02F691S-S - - - 16 mm80 mm - - -
A4VG56DA1D2/32R-NAC02F015SH-S - - - 93 mm280 mm - - -
A4VG105DA1DM8/32R-NZF02F021FP-S - - - 14 mm42 mm - - -
A4VG250EP2D1/32R-NTD10F721DH - - - 13,85 mm24 mm - - -
A4VG180DA2D8-32R-NZD02F041FQ - 33,8 mm - 27 mm72 mm - - -
A4VG105EZ2/32+A4VTG90EZ2/32 - - - 80 mm500 mm - - -
A4VG180EP4D1/32R-NZD02F691BP - - - 11,13 mm19,05 mm - - -
A4VG71HWDT1/32R-NAF02K041E-S - - - - 420 mm - - -
A4VG40DA1D2-32R-NZC02FXX5SQ-ES - - - - 18,258 mm - - -
A4VG56HDD1-32R-NSC02F003D - - - - 130 mm - - -
A4VG250EP2DT1-32R-NSD10F021S - - - 18 mm120 mm - - -
A4VG180EP4DMT1/32L-NZD02F021SH - - - 22,225 mm142,875 mm - - -
A4VG250EP2D1/32L-NZD10F003S-S - - - 9,52 mm50,8 mm - - -
A4VG125EP2D1/32L-NSF02F001S - - - - - - - -
A4VG40EP2-31+A4VG40EP2-31 - - - 26 mm105 mm98 mm - -
A4VG56DA1D2/32R-NZC02F023S-S - - - - 225 mm - - -
A4VG56EP4D1/32R-NAC02F043SH-S - - - - 4.1250 in - - -
A4VG40EP2DM1/32L-NZC02F003SH - - - 18 mm42 mm - - -
A4VG180EP4D1/32R-NZD02F741SH - - - - 120 mm - - -
A4VG28EP2-32+A4VG28DGD1-32 - 110,6 mm - 45 mm270 mm - - -
A4VG125HDMT1/32R-NZF02F021S-S - - - 21 mm100 mm - - -
AA4VG180HDDT1/32R-NSD52F001D *Z* - 44 mm - - 720 mm - - 226 mm
A4VG180EP2D2/32L-NZD02FXX1DH-S - - - - - - - -
A4VG90EP4D1/32R-NSF02F041DH - - - 123 mm990,6 mm - - 159,5 mm
A4VG90EP1DM3L/32R-NZF02F041SH - - - 60,000 mm220,000 mm - - -
AA4VG28EP1D1-32R-NSC60F005S - - - 17,462 mm68,262 mm - - -
A4VG56DA1DT8/32R-NZC02F075SH-S - - - - 19 mm - - -
A4VG71EP2D1-32R-NTF02F011S - - - - - - - -
A4VG71DA1DM2-32R-NZF02F001FH - - - - 88,9 mm - - -
A4VG28HWD1/32R-NZC10F015S-S - 13.6 mm - - - - - -
A4VG71HWD1/32L-NZF02F001S-S *G* - - - 27 mm90 mm - - 35,25 mm
A4VG40DA1D3L/32R-NZC02F015SH-S - - - 9 mm26 mm - - -
A4VG180EP2/32+A4VG125EP2+A4FO28/31 - - 371 mm118 mm420 mm - - -
A4VG90EP1DM2-32R-NZF02F071SH - - - - - - - -
A4VG71DA1D8/32R-NZF02F001SH-S - - - - 340 mm - - 152 mm
A4VG40DA1DT8-32R-NZC02F045S-S - - - - 35 mm - - -
AA4VG90EPXX1/32R-NSFXXK731EP-S - - - - - - - -
A4VG56HDDM2/32R-NZC02F026M - - - 43 mm120 mm - - -
A4VG56HDD1-32L-NAC02F073S-S - - - 12,7 mm304,8 mm - - -
A4VG125EP0XM1/32R-NSF02F021SXP-S - - - - - - - -
AA4VG90EP4DT1/32R-NSF52F001FH-S - - - - 650 mm - - -
A4VG56DA1D2/32R-NZC02F023S-S - - - 38,000 mm72,000 mm - - -
A4VG56HWDL2/32R-NZC02F045S-S - - - 36,000 mm100,000 mm - - -
A4VG180EP2DM1-32R-NZD02F001D - - - - 16 mm - - -
A4VG56DA1D8/32R-NAC02F005SH - 70,2 mm - - 180 mm - - -
A4VG125 DA2D2/32L-NZF02F041SH - - - - - - - -
A4VG56EP1DT1/32R-NZC10K045ET-S - - - - - - - -
A4VG250EP4DT1/32R-NZD10N001EH-S - - - - - - - -
A4VG71DA1D3L-32R-NZF02F041S - - - - - - - -
A4VG71DA1D3L-32R-NZF02F001S - 89,5 mm - - 170 mm - - -
A4VG125EP2XMT1/32R-NSF02F691SGP-S - - - 17 mm62 mm - - -
A4VG40DGDM1/32R-NSC02F023S-S - - - - - - - -
A4VG180EP2D1/32R-NTD02F691L-S *G* - - - - - - - -
A4VG250EP1D1-32R-NZD10F021D - - - 12 mm23 mm - - -
A4VG180EP2D1/32L-NZD02F021F *G* - - - 412 mm1420 mm - - -
AL A10VO28 DR/31R-PSC61N - - - - - - - -
A10VO45DFR-31L-PSC62K01 - - - - - - - -
A A10VO28 DFR1/31L-PSC12N00-SO379 - - - - - - - -
AL A10V O63EK1DS/53R-VUC62N00P-SO763 - - - - 2.835 Inch | 72 Mill - - -
AL A10VO74 DFLR/31R-PSC12N00 -S1567 - - - - - - - -
AP A10VO74 DRG/31R-VSC42K04-S2952 - - - - 2.874 Inch | 73 Mill - - -
AL A10VO45 DFR/52R-VSC12K01-S2153 - - - - - - - -
A A10VO45 DFR1/52R-VWC11N00-S2359 - - - - 3.125 Inch | 79.38 M - - -
AL A10VO45 DRG/31L-VRC62K04-SO277 - - - - - - - -
AL A10VO28 DRG/52L-VSC12N00-SO702 - - - - 2.047 Inch | 52 Mill - - -
AL A10VO45ED 72/52R-VSC12K68P-S3164 - - - - - - - -
AL A10VO60ED 73/52L-VKC12N00-S3753 - - - - 1.85 Inch | 47 Milli - - -
G A10VO28 OV/31L-VSC12N00-S139 - - - - - - - -
AL A10VO28 DFR/31L-PSC62N - - - - 2.031 Inch | 51.587 - - -
A A10VO71 DFR1/31L-VSC62K01 - - - - - - - -
AH A10V O140 DFR1/31R-PSD62N - - - - 1.713 Inch | 43.5 Mi - - -
A A10V O140 DFR1/31R-PSD61N - - - - - - - -
AL A10V O85EK2DS/53L-VUC11N00P -S2257 - - - - 3.063 Inch | 77.8 Mi - - -
A10VO60DFR1-52R-VSD12K01-SO702 - - - - 3.69 Inch | 93.726 M - - -
A10VO63LA8DS-53R-VSC62N - - - - 2.835 Inch | 72 Mill - - -
AA10VO45DFR1-50L-PUC12N00-SO42 - - - - 1.575 Inch | 40 Mill - - -
AL A10VO45 DFR1/31R-PUC62N - - - - - - - -
A A10VO45 DFR1/52R-VUC11N00-S3562 - - - - - - - -
A A10VO45 DFR/52R-PSC12N - - - - - - - -
AP A10V O100 DFR1/31R-VTC12K07-S4646 - - - - - - - -
A10VO63LA9DS-53L-VCC11N - - - - 0 Inch | 0 Millimete - - -
AP A10V O110 DFR1/31R-VSC12K24-S3428 - - - - - - - -
A10VO28DFR-31L-PSC62N - - - - - - - -

Different Types of Hydraulic Pumps With Their ClassificationsDec 10, 2020 — Fixed displacement pumps make little noise, so they are perfect for use in for example theatres and opera houses. Variable displacement pumps, 

Fixed and Variable Displacement Piston PumpsDec 4, 2017 — Muncie Power Products, Inc.'s line of piston pumps features both fixed and variable displacement options. The line includes four different Fixed & Variable Displacement Pumps - LunchBox SessionsExplain basic gear pumping functions; List common causes of gear pump wear; Differentiate between fixed and variable displacement; Compare the different designs 

Variable vs. Fixed Displacement Hydraulic PumpsAug 20, 2019 — In a displacement pump, the amount of flow depends on the number of rotating pistons. By controlling the pistons' stroke, you adjust the pump's Hydraulic fixed-displacement pumps: ReviewFeb 22, 2016 — A fixed-displacement pump is a positive displacement type where the amount of displacement (gpm) cannot be varied, only by changing the drive 

What is the difference between variable and fixed - QuoraNov 5, 2016 — A fixed displacement pump always has the same displacement and always pumps the same amount at the same speed. A variable displacement pump has an adjustable Benefits of a Fixed-Displacement Hydraulic PumpUnlike fixed-displacement pumps, variable displacement pumps are able to increase or decrease the fluid flow rates electronically, manually, or hydraulically.