External gear pump Series G

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1 External gear pump Series G RE /04.14 Replace RE /06.13 AZPG-22 Fixed pumps V = cm 3 / rev Overview of contents Contents Page General 2 Product overview 3 Ordering code single pumps 4 Ordering code multiple pumps 5 Drive shafts 6 Front cover 6 Line ports 7 Pumps with integral valves 8 Design calculations for pumps 8 Performance charts 9 Noise charts 12 Specifications 14 Drive arrangements 15 Multiple pumps through drives Fittings 58 Spare parts 59 Notes on commissioning and maintenance 60 Ordering-No. 61 The AZ configurator at 63 Features Nominal pressure 280 bar Slide bearings for heavy duty applications Drive shafts to ISO or SAE Combination of several pumps possible Line ports: connection flanges Consistent high quality thru mass production Numerous configuration variants available Cast case available on request

2 2/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 General Rexroth external gear pumps are available as standard gear pumps in the 4 series of B, F, N and G, as SILENCE gear pumps in the S, T and U series, and as the SILENCE PLUS version in the J series in which the displacements are graded by different gear widths. Further configuration variants are given by different flanges, shafts, valve arrangements and multiple pump combinations. Construction The external gear pump consists essentially of a pair of gears supported in bearing bushings or bearing, dependent on the series, and the case with a front and rear cover. The drive shaft protrudes from the front cover where it is sealed by the shaft seal ring. The bearing forces are absorbed by special slide bearings with sufficient elasticity to produce surface contact instead of line contact. They also ensure excellent resistance to galling especially at low speed. The gears have 12 teeth. This keeps both flow pulsation and noise emission to a minimum. The internal sealing is achieved by forces which are proportional to delivery pressure. This ensures optimum efficiency. This ensures optimum efficiency. The sealing zone between the gear teeth and the bearings is controlled by the admission of operating pressure to the rear of the bearing bushings. Special seals form the boundary of the zone. The radial clearance at the tips of the gear teeth is sealed by internal forces pushing them against the case. Axial and radial compensation for gear pump Axial seal External pressure zone Internal pressure zone Radial seal Cover Flange Sealing zone Compensation force Retaining ring 2 Shaft seal ring 3 Front cover 4 Slide bearing 5 Centering pin 6 Gear 7 Gear (frictional) 8 Case seal 9 Pump case 10 Bearing 11 Axial zone seal 12 Support 13 End cover 14 Fixing screws

3 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 3/64 Overview of Series G standard program Version Page 18 Version Page 19 Version Page

4 4/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Ordering code External gear units Single pumps Standard AZ P G R C B 20 M B S xxxx Function P = Pump Series 1 = Reinforced baring 2 = Standard bearing 3 = in GJS-400 execution Version 2 = corrosion-resistant, pinned Size G 022 = 22.5 cm 3 /rev 025 = 25.0 cm 3 /rev 028 = 28.0 cm 3 /rev 032 = 32.0 cm 3 /rev 036 = 36.0 cm 3 /rev 040 = 40.0 cm 3 /rev 045 = 45.0 cm 3 /rev 0 =.0 cm 3 /rev 056 = 56.0 cm 3 /rev 063 = 63.0 cm 3 /rev 070 = 70.0 cm 3 /rev 080 = 80.0 cm 3 /rev 100 = cm 3 /rev Direction of rotation R = Clockwise L = Counterclockwise *) Some of the special designs shown on pages are not covered in the illustration of the ordering code. Special design *) Valve adjustment 200 xx = PRV 200 bar xxx 11 = FCV 11 l/min = PRV + FCV 180 bar, 9 l/min Rear cover A = with inlet and outlet port B = Standard D = PRV residual flow internal E = FCV residual flow external S = FCV residual flow internal V = PRV + FCV Seals M = NBR P = FKM K = NBR, SSR in FKM Drive shafts Front cover Line ports Suitable front cover C Tapered key shaft 1 : 5 B B Rectangular flange Centering Ø 105 mm 07 Square flange SAE thread, metric H Tapered key shaft 1 : 8 O C SAE J B 2-bolt flange Ø mm 20 Rectangular Flange D Splined shaft SAE J T C O Rectangular flange Centering Ø.78 mm 30 Rectangular Flange E Splined shaft SAE J T C 40 Square flange SAE thread, UNC Q Straight keyed shaft SAE J C 12 Thread (UN-2B) SAE seal ring BOSS Not all variants can be selected by using ordering code! Please select the required pump by using the selection tables (standard types) or after consultation with Bosch Rexroth! Special options are possible upon request.

5 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 5/64 Ordering code External gear units Multiple pumps AZ P GGSS x x 032/022/016/005 R C B K B Function P = Pump Series B = cm 3 /rev *) F = cm 3 /rev N = cm 3 /rev G = cm 3 /rev S = cm 3 /rev **) T = cm 3 /rev U = cm 3 /rev J = cm 3 /rev ***) Series, relates to pump section 1 1x = Standard bearing 2x = Reinforced bearing Version, relates to pump section 1 1 = Phosphatized, pinned 2 = Chromatized, pinned Size corresponding to each series Direction of rotation R = cw, L = ccw *) Standard **) SILENCE ***) SILENCE PLUS Rear cover relates to last pump section B = Standard Seals M = NBR P = FKM K = NBR, SSR in FKM Shaft seal relate to pump section 1 Drive shafts relates to pump part 1 Series B: Suitable front cover H Tapered key shaft 1 : 8 O O Front cover relates to pump part 1 Square flange Centering Ø mm 02 Line ports every pump parts Thread, metric DIN 3852 T1 Series F, S, J: C H R Series N, T: C D Tapered key shaft 1 : 5 B B Tapered key shaft 1 : 8 O O Splined shaft SAE J T R R Tapered key shaft 1 : 5 B B Splined shaft SAE J T C C N Dihedral claw M M Series G, U: C D H Tapered key shaft 1 : 5 B B Splined shaft SAE J T C C Tapered key shaft 1 : 8 O O Square flange Centering Ø 80 mm 20 Rectangular flange Square flange Centering Ø mm 30 Rectangular flange SAE J A Centering Ø mm 2-bolt mounting Square flange Centering Ø 100 mm 07 SAE J B Centering Ø mm 2-bolt mounting Centering Ø 52 mm with seal ring Square flange Centering Ø 105 mm 07 SAE J B Centering Ø mm 2-bolt mounting Square flange Centering Ø.78 mm Square flange SAE Thread, metric 20 Rectangular flange Square flange SAE Thread, metric 20 Rectangular flange Not all variants can be selected by using ordering code! Please select the required pump by using the selection tables (standard types) or after consultation with Bosch Rexroth! Special options are possible upon request.

6 6/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Drive shafts C.5 ±0.6 8 ±0.1 DIN 128-A14-FSt D '38" ±1' 1:5 25 M16x1.5 5x7.5 DIN 6888 DIN 128-A14-FSt 47 ± , ±0.1 1: ±0.5 M14x1.5 Ø21, ±0.32 4x6.5 DIN 6888 Ø105 0,036 0,090 8 ± ± ± ±0.2 R ± ±0.2 Ø ± ±2 174 ± ± ± ± ± ± , ± ± ± ±0.2 Ø Ø Splined shaft ANSI B T 16/32 SP Tooth thickness sw = H Q E 46 ± ±0.1 Ø Ø xØ25.4 ACC to ANSI B17.2 Front cover B C O 47 ± ±1.5

7 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 7/64 Line port 07 Square flange SAE, thread metric F C D E Ordering Size Delivery side Suction side code C D E F C D E F cm M M cm depth depth cm M 12 depth D G E F 12 Thread (UN-2B, UNF-2B) SAE O Ring BOSS At pressures p 2 > 210 bar limited service life Ordering Size Delivery side Suction side code G D E F G D E F /16"-12 UN-2B /16"-12 UN-2B /16"-12 UN-2B 15/18"-12 UN-2B /18"-12 UN-2B 58 17/18"-12 UN-2B Rectangular flange C D E Ordering Size Delivery side Suction side code C D E C D E cm M 8 depth M 8 depth Rectangular flange C D E Ordering Size Delivery side Suction side code C D E C D E cm M 8 depth cm M 10 depth M 10 depth M 10 depth Rectangular flange SAE, thread UNC F C D E Ordering Size Delivery side Suction side code C D E F C D E F cm /8"-16 UNC /8"-16 UNC cm B B cm depth depth 35.8

8 8/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Gear pumps with integral valves In order to reduce external pipework it is possible to incorporate a flow-control valve or pressure-relief valve in the cover of the gear pump. A typical application of this is in the supply of hydraulic oil in power steering systems. The pump delivers a constant flow irrespective of the speed at which it is driven. The excess flow is either returned internally to the suction port or distributed externally to other items of equipment. On request (schematic diagram) Q const. Q const. Q const. p1 p 1 3-way flow-control valve. Excess flow returned to suction line Q const. = l/min 3-way flow-control valve. Excess flow distributed externally; loadable Q const. = l/min 3-way flow-control valve with pressure-relief valve. Excess flow returned to suction line Q const. = l/min p 1 = bar Pressure-relief valve. Discharge returned to suction line p 1 = bar Ordering code S xxx17 E xxx12 V 111 D 180xx Design calculations for pumps The design calculations for pumps are based on the following parameters: V [cm 3 /rev] Q [l/min] p [bar] M [Nm] n [rev/min] P [kw] Displacement Delivery Pressure Drive torque Drive speed Drive power It is also necessary to allow for different efficiencies such as: η v η hm η t Volumetric efficiency Hydraulic-mechanical efficiency Overall efficiency The following formulas describe the various relationships. They include correction factors for adapting the parameters to the usual units encountered in practice. Caution: Diagrams providing approximate selection data will be found on subsequent pages. P M n Q V [%] n η v Q M η hm p P η t p Q p Q = V n η v 10 5 M η hm p = 1.59 V p Q P = 6 η t Q V = 10 5 n η v M η hm V = 159 p 6 P η Q = t p V [cm 3 /rev] Q [l/min] p [bar] Caution: η [%] e.g. 95 [%] n [rev/min] P [kw] M [Nm] Q n = 10 5 V η v 1.59 V p M = η hm 6 P η p = t Q

9 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 9/64 Performance charts 160 ν = 35 mm 2 /s, ϑ = C p = 20 bar p 2 = max. intermittent pressure rev 56 V = 63 cm 3 / U Q [l/min] V = 22.5 cm 3 / U rev n [rpm] Q = f ( n,v ) incl. η v P = f (n, p) incl. η t M = f (n, p) incl. η hm V = 25 cm 3 / U rev p = 280 bar p = 280 bar p = 280 bar 2 p = 280 bar P [kw] M [Nm] P [kw] M [Nm] n [rpm] n [rpm]

10 10/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Performance charts (continued) V = 28 cm 3 / U rev V = 32 cm 3 / U rev p = 280 bar 2 p = 280 bar p = 280 bar 2 p = 280 bar P [kw] M [Nm] P [kw] M [Nm] n [rpm] n [rpm] V = 36 cm 3 / U rev V = 40 cm 3 / U rev P [kw] p = 280 bar p = 280 bar M [Nm] P [kw] p = 280 bar p = 280 bar M [Nm] n [rpm] n [rpm]

11 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 11/64 Performance charts (continued), V = 70, 80, 100 cm 3 / U rev on request V = 45 cm 3 / U rev V = cm 3 / U rev p = 280 bar 2 2 p = 280 bar p = 2 bar p = 2 bar P [kw] M [Nm] P [kw] M [Nm] n [rpm] n [rpm] V = 56 cm 3 / U rev V = 63 cm 3 / U rev p = 225 bar 200 p = 225 bar p = 200 bar p = 200 bar P [kw] M [Nm] P [kw] M [Nm] n [rpm] n [rpm]

12 12/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Noise charts Noise level dependent on rotational speed, pressure range between 10 bar and pressure value p 2 (see page 14 Specifications table). Oil data: ν = 32 mm 2 /s, ϑ = C. Sound pressure level calculated from noise measurements made in the sound absorbent measuring room compliant with DIN , Part 26. Spacing between measuring sensor pump: 1 m. These are typical characteristic values for the respective model. They describe the airborne sound emitted solely by the pump. Environmental influences (installation site, piping, further system components) are not taken into consideration. Each value applies for a single pump. 80 V = 22.5 cm 3 / U rev 80 V = 25 cm 3 / U rev LpA [db(a)] LpA [db(a)] n [rpm] n [rpm] V = 28 cm 3 / U rev V = 32 cm 3 / U rev LpA [db(a)] LpA [db(a)] n [rpm] n [rpm] LpA [db(a)] V = 36 cm 3 / U rev LpA [db(a)] V = 40 cm 3 / U rev n [rpm] n [rpm]

13 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 13/64 Noise charts (continued), V = 70, 80, 100 cm 3 / U rev on request V = 45 cm 3 / U rev V = cm 3 / U rev LpA [db(a)] LpA [db(a)] n [rpm] n [rpm] V = 56 cm 3 / U rev V = 63 cm 3 / U rev LpA [db(a)] LpA [db(a)] n [rpm] n [rpm]

14 14/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Specification General Construction Mounting Line ports Direction of rotation (looking on shaft) Installation position Load on shaft Ambient temperature range External gear pump Flange or through-bolting with spigot Flange Clockwise or counter-clockwise, the pump may only be driven in the direction indicated Any Radial and axial forces after consulting 30 C C with NBR seals or 20 C C with FKM seals Hydraulic fluid Mineral oil compliant with DIN , 1 3, however under higher load at least HLP compliant with DIN Part 2 recommended. Comply with RE Further operating fluids possible after consultation Viscosity mm 2 /s permitted range mm 2 /s recommended range mm 2 /s range permitted for starting Hydraulic fluid temperature range Filtration ***) max. +80 C with NBR seals *) max C with FKM seals **) At least cleanliness level 20/18/15 compliant with ISO 4406 (1999) ***) NBR = Perbunan ***) FKM = Viton ***) On hydraulic systems or devices with critical counterreaction, such as steering and counterbalance valves, the type of filtration selected must be adapted to the sensitivity of these devices/systems. Safety requirements pertaining to the whole systems are to be observed. In the case of applications with high numbers of load cycles please consulting. Definition of direction of rotation Definitions of pressures Always look on the drive shaft. Caution: drawings always show clockwise-rotation pumps. On counterclockwise-rotation pumps the positions of the drive shaft and the suction and pressure ports are different. bar p 3 p 2 Pump pressure p 1 Time t max. 20 s p 1 max. continuous pressure p 2 max. intermittent pressure p 3 max. peak pressure Clockwise direction of rotation Counterclockwise direction of rotation Model AZPG Displacement V cm 3 /rev Suction pressure p e (absolute), with tandem pumps: p e (p 2 ) = max. 0.5 > p e (p 1 ) max. continuous pressure p 1 bar max. intermittent pressure p max. peak pressure p min. rpm at bar < 100 rpm mm 2 /s p mm 2 /s p max. rpm at p

15 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 15/64 Drive arrangement 1. Flexible couplings The coupling must not transfer any radial or axial forces to the pump. The maximum radial runout of shaft spigot is 0.2 mm. Refer to the fitting instructions provided by the coupling manufacturer for details of the maximum permitted shaft misalignment. 2. Coupling sleeve Used on shafts with DIN or SAE splining. Caution: There must be no radial or axial forces exerted on the pump shaft or coupling sleeve. The coupling sleeve must be free to move axially. The distance between the pump shaft and drive shaft must be Oil-bath or oil-mist lubrications is necessary. 34 3,5 +1,5 Ø25 h11 Splined shaft SAE-B 13 teeth SAE-C 15 teeth M max [Nm] V [cm 3 /rev] Drive shaft with tang For the close-coupling of the pumps to electric motor or internal-combustion engine, gear, etc. The pump shaft has a special tang and driver 3 (not included in supply). There is no shaft sealing. 1 R The recommended arrangements and dimensions for the drive end and sealing are as follows min Drive shaft Case-hardening steel DIN e.g. 20 MnCrS 5 case-hardened 1.0 deep; HRA 83 ±2 Surface for sealing ring ground without rifling R t 4μm 2 Ø Ø Radial shaft seal with rubber covered seal (see DIN 3760, Type AS, or doublelipped ring). Cut 15 chamfer or fit shaft seal ring with protection sleeve. Drive with special tang M max [Nm] 130 V [cm 3 /rev] A p max [bar] A For drive shaft with tang

16 16/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / V-belts and straight gearwheels or helical toothed gear drives without outboard bearing When proposing to use V-belt or gear drive, please submit details of the application for our comments (especially dimensions a, d m, d w and angle α). For helical toothed gear drives, details of the helix angle β are also required. 0 0 α α dm dw a 180 a Outboard bearing Outboard bearing eliminate possible problems when the pumps are driven by V-belts or gearwheels. The diagrams below show the maximum radial and axial loads that can be tolerated based on a bearing life of L H = 1000 h. Typ 3 a (45 Optimal) Fr Fr [N]** n = 1000 min-1 n = 10 min-1 n = 2000 min-1 n = 20 min-1 n = 3000 min Fa Optimal a [mm] 140

17 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 17/64 Multiple gear pumps Gear pumps are well-suited to tandem combinations of pumps in which the drive shaft of the first pump is extended to drive a second pump and sometimes a third pump in the same manner. A coupling is fitted between each pair of pumps. In most cases each pump is isolated from its neighbor, i.e. the suction ports are separate from one another. A common suction port is also possible as an option. Caution: Basically, the specifications for the single pumps apply, but with certain restrictions: Max. speed: This is determined by the highest rated pump speed in use. Pressures: These are restricted by the strength of the drive shaft, the through drives and the drivers. Appropriate data is given in the dimensional drawings. Pressure restrictions during standard through drive In the case of series G, the driver for the second pumping stage can carry a load of up to M max. = 130 Nm, i.e. there is a pressure restriction for the second stage and any further stages. M max. [Nm] V [cm 3 /rev] p max [bar] 65 Series F, S 130 Series G, U Reinforced through drive M max. = 320 Nm If the first stage is driven through a tang (driver) or outboard bearing type 1, pressure restrictions apply as indicated in the formula below. Reinforced through drives are available for applications with higher transfer torques and/or rotational vibrations. Customized designs available on request. Combinations Series pump 1 G G G G M max. = 130 Nm M max. [Nm] G Series pump 2 G, U F S For configuration of multiple pumps we recommend the pump is positioned with the largest displacement on the drive side. Max. transferrable drive torque Function Code letter Designation Splined shafts Tapered key shaft D SAE J (13T 16/32 DL) E SAE J (15T 16/32 DL) Max. transferrable drive torque * [Nm] C 1: H 1: * These figures are valid providing the conditions defined on pages 15 and 16 are observed. Bosch Rexroth is to be consulted if the stated values are exceeded. G G p 1 V 1 p 2 V 2 p 3 V 3 M M max. Δp 1 V Δp 2 V Δp 3 V Δp [bar] V [cm 3 /rev]

18 18/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.6 B ±1.5 8 ±0.1 A ± ±0.2 R 10 Ø105 0,036 0, ± ± ± ±0.1 1:5 5 42'38" ±1' 5 42'38" 1' 11 ± , Ø25 0, ±0.15 M8 depth ±0.15 DIN 128-A14-FSt 26 M8 depth 13 M16x1.5-8-A 5x7.5 DIN A AZPG 22 C B 20 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed kg Dimension [mm]

19 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 19/64 Ø B 1.5 1:8 A ± M8 13 deep Ø21.59 Ø Mounting of pumps with 4x internal hexagon screws, max. M10x35 M10 13 deep DIN 128-A14-FSt M14x1.5-8-A 4x6.5 DIN 6888 A AZPG 22 H O 30 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed kg Dimension [mm]

20 20/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 B ± ±0.1 A ± ±1.5 Ø Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± Ø ± ± ± ±0.25 M10 M ± ± ±1.5 A 510 G AZPG 22 D C 07 K B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed kg Dimension [mm]

21 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 21/64 B ± ±0.1 A ± ±1.5 Ø Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± Ø ± ± ± ± M ± ± ±1.5 A 510 G AZPG 22 D C 07 K B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed kg Dimension [mm]

22 22/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 B ± ±0.1 A ± ±1.5 Ø Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± Ø ± ± ± ±0.25 M12 23 deep M12 23 deep 41.6 ± ± ±1.5 A 510 G AZPG 22 D C 07 K B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed kg Dimension [mm]

23 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 23/ ±0.6 B ± ±0.1 A ± ±1.5 Ø ± ±2 60 ± ± / UN-2B / UN-2B A 510 G40 830, xØ25.4 ACC to ANSI B17.2 AZPG 22 Q C 12 M B S 0662 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S1 P S1 P S1 P1

24 24/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.6 B ± ±0.1 A ± ±1.5 Ø ± ±2 60 ± ± / UN-2B / 8-12 UN-2B 6.35xØ25.4 ACC to ANSI B17.2 A 510 G40 830, AZPG 22 Q C 12 M B S 0662 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S2 P S2 P S2 P S2 P2

25 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 25/ ±0.6 B ± ±0.1 A ± ±1.5 Ø ± ±2 60 ± ± / UN-2B / 8-12 UN-2B 6.35xØ25.4 ACC to ANSI B17.2 A 510 G40 830, AZPG 22 Q C 12 M B S 0662 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S3 P S3 P S3 P3

26 26/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.6 min ±0.4 A ±0.6 B ± ±1.3 5 ± ±0.3 Ø Ø ± ± ± ±1 ± ± ± ±0.25 M10 11 ± ± M10 A ±0.25 AZPG 22 A X 07 K B S 0303 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S1 P S1 P1

27 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 27/64 52 ±0.6 min ±0.4 A ±0.6 B ± ±1.3 5 ±0.3 FULL 124 ±0.3 Ø Ø ± ± ± ±1 ± ± ±0.5 (38) ±0.25 M12 23 deep for 80 & 100 cm 3 /rev 11 ± ± M12 23 deep A ±0.25 AZPG 22 A X 07 K B S 0303 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S2 P S2 P2

28 28/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.6 min ±0.4 A ±0.6 B ± ±1.3 5 ±0.3 FULL 124 ±0.3 Ø Ø ± ± ± ±1 ± ± ±0.5 (38) ±0.25 M12 23 deeo at 80 & 100 cm 3 /rev 11 ± ±0.25 M12 23 deep 42.8 ±0.25 A AZPG 22 A X 07 K B S 0303 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S3 P S3 P2

29 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 29/64 41 ±0.4 B ± ±0.1 A ± ±1.5 Ø ± ±2 154 ±1.5 60± ±0.25 M Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± M10 A ±0.25 AZPG 22 D C 07 K B S 0039 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S1 P S1 P1

30 30/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.4 B ± ±0.1 A ± ±1.5 Ø ± ±2 154 ±1.5 60± (38) ±0.25 M12 23 deep at 80 & 100 cm 3 /rev Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± M12 23 deep A ±0.25 AZPG 22 D C 07 K B S 0039 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S2 P S2 P2

31 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 31/64 41 ±0.4 B ± ±0.1 A ± ± ±0.25 (38) ± ±0.25 Ø ±2 154 ±1.5 60± M12 23 deep at 80 & 100 cm 3 /rev Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ±0.25 M12 23 deep A AZPG 22 D C 07 K B S 0039 Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S3 P S3 P2

32 32/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.7 B ± ±0.1 A ± ±1.5 Ø ±2 60 ± ± / UN-2B Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = / UN-2B A , A 510 G AZPG 22 D C 12 M B Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S1 P S1 P S1 P1

33 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 33/64 41 ±0.7 B ± ±0.1 A ± ±1.5 Ø ±2 60 ± ± / UN-2B Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = / 8-12 UN-2B A , A 510 G AZPG 22 D C 12 M B Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S2 P S2 P S2 P S2 P2

34 34/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.7 B ± ±0.1 A ± ±1.5 Ø ±2 60 ±1.5 Ø ± / 8-12 UN-2B Spline shaft ANSI B T 16/32 SP Tooth thickness sw = / 8-12 UN-2B A , A 510 G AZPG 22 D C 12 M B Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S3 P S3 P S3 P3

35 Ø ±0.15 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 35/64 41 ±0.7 B ± ±0.1 A ± ± ±2 60 ± ± / UN-2B ± / UN-2B 6.35xØ25.4 ACC to ANSI B17.2 A , A AZPG 22 Q C 12 M B Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S1 P S1 P S1 P1

36 Ø ± /64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.7 B ± ±0.1 A ± ± ±2 60 ± ± / UN-2B ± / 8-12 UN-2B 6.35xØ25.4 ACC to ANSI B17.2 A , A AZPG 22 Q C 12 M B Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S2 P S2 P S2 P S2 P2

37 Ø ±0.15 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 37/64 41 ±0.7 B ± ±0.1 A ± ± ±2 60 ± ± / 8-12 UN-2B ± / 8-12 UN-2B 6.35xØ25.4 ACC to ANSI B17.2 A , A AZPG 22 Q C 12 M B Displacement Ordering-No. Max. operating Max. Dimension Execution pressure rotation speed [mm] Suction Pressure [cm 3 /rev] L R [bar] [rpm] A B port port S3 P S3 P S3 P3

38 154 ± ±1.5 38/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ± ±1.5 Version A Ø ± ± ± / UN-2B 1 5 / UN-2B C ±0.8 1 max Version B / UN-2B 1 5 / 8-12 UN-2B 6.35xØ25.4 ACC to ANSI B17.2 A 510 G AZPG 22 R Q C 12 M A Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] C A A A B B B B B B B Max. rotation speed Dimension [mm] Version

39 154 ± ±1.5 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 39/64 41 ± ±1.5 Version A Ø ± ± ± / UN-2B 1 1 / UN-2B C ±0.8 1 max Version B / 8-12 UN-2B 1 5 / UN-2B 6.35xØ25.4 ACC to ANSI B17.2 A 510 G AZPG 22 L Q C 12 M A Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] C A A A B B B B B B B Max. rotation speed Dimension [mm] Version

40 40/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.4 B ± ±0.1 A ± ±1.5 Ø ± ±2 154 ±1.5 60± ±0.25 3/ 8-16 UNC-2B Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ,6 ± / 8-16 UNC-2B A 510 G ±0.25 AZPG 22 L D C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

41 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 41/64 41 ±0.4 B ± ±0.1 A ± ±1.5 Ø ± ±2 154 ±1.5 60± ±0.25 7/ UNC-2B Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± / 8-16 UNC-2B A 510 G ±0.25 AZPG 22 L D C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

42 42/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.4 B ± ±0.1 A ± ±1.5 Ø ± ±2 154 ±1.5 60± ±0.25 1/ 2-13 UNC-2B Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± / UNC-2B A 510 G ±0.25 AZPG 22 L D C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

43 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 43/64 41 ±0.4 B ± ±0.1 A ± ±1.5 Ø ± ±2 154 ±1.5 60± ±0.25 3/ 8-16 UNC-2B Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± / 8-16 UNC-2B A 510 G ±0.25 AZPG 22 R D C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

44 44/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.4 B ± ±0.1 A ± ±1.5 Ø ± ±2 154 ±1.5 60± ±0.25 3/ 8-16 UNC-2B Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± / UNC-2B A 510 G ±0.25 AZPG 22 R D C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

45 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 45/64 41 ±0.4 B ± ±0.1 A ± ±1.5 Ø ± ±2 154 ±1.5 60± ±0.25 7/ UNC-2B Ø Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ,8 ± / 2-13 UNC-2B A 510 G ±0.25 AZPG 22 D C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

46 Ø ± ± /64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.7 B ± ±0.1 A ± ± ± ± ± ±2 60 ± ± / 8-16 UNC-2B ± / 8-16 UNC-2B 6.35xØ25.4 ACC to ANSI B17.2 A AZPG 22 L Q C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

47 Ø ± ±0.25 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 47/64 41 ±0.7 B ± ±0.1 A ± ± ± ± ± ±2 60 ± ± / UNC-2B ± / 8-16 UNC-2B 6.35xØ25.4 ACC to ANSI B17.2 A AZPG 22 L Q C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

48 Ø ± ± /64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.7 B ± ±0.1 A ± ± ± ± ± ±2 60 ± ± / 2-13 UNC-2B ± / UNC-2B 6.35xØ25.4 ACC to ANSI B17.2 A AZPG 22 L Q C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

49 Ø ± ±0.25 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 49/64 41 ±0.7 B ± ±0.1 A ± ± ± ± ± ±2 60 ± ± / 8-16 UNC-2B ± / 8-16 UNC-2B 6.35xØ25.4 ACC to ANSI B17.2 A AZPG 22 R Q C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

50 Ø ± ±0.25 /64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ±0.7 B ± ±0.1 A ± ± ± ± ± ±2 60 ± ± / 8-16 UNC-2B ± / UNC-2B 6.35xØ25.4 ACC to ANSI B17.2 A AZPG 22 R Q C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

51 Ø ± ±0.25 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 51/64 41 ±0.7 B ± ±0.1 A ± ± ± ± ± ±2 60 ± ± / UNC-2B ± / 2-13 UNC-2B 6.35xØ25.4 ACC to ANSI B17.2 A AZPG 22 R Q C 40 M B Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] A B Max. rotation speed Dimension [mm]

52 154 ± ±1.5 52/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Version A 9.5 ± ± ±1.5 Ø ± / UN-2B 1 1 / UN-2B C ±0.8 1 max Version B 1 5 / UN-2B Ø / 8-12 UN-2B Spline shaft ANSI B T 16/32 SP Tooth thickness sw = A 510 G AZPG 22 L D C 12 M A Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] C A A A B B B B B B B Max. rotation speed Dimension [mm] Version

53 154 ± ±1.5 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 53/64 Version A 9.5 ± ± ±1.5 Ø ± / UN-2B 1 5 / UN-2B C ±0.8 1 max Version B 1 5 / 8-12 UN-2B Ø / UN-2B Spline shaft ANSI B T 16/32 SP Tooth thickness sw = A 510 G AZPG 22 R D C 12 M A Displacement Ordering-No. Max. operating pressure [cm 3 /rev] L R [bar] [rpm] C A A A B B B B B B B Max. rotation speed Dimension [mm] Version

54 54/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 C ±2.5 ±0.6 8 ±0.1 A ±0.5 B ±1 102 ± ± Ø : ± ± ± ± ±0.15 M8 13 deep 1.8 R10 11 ±0.5 for reference-ø25 Pump I Pump II Ø25 ± '38" 25 Spline shaft ANSI B T 16/32 SP Tooth thickness sw = DIN 128-A14-FSt ±1 55 ± M10 M16x1.5-8-A 5x7.5 DIN 6888 A 510 G AZPGG 22 / C B M B Displacement Ordering-No. [cm 3 /rev] P ı P ıı L R P ı P ıı [rpm] A B C Max. operating pressure [bar] Max. rotation speed Dimension [mm]

55 174 ± ±2 154 ± ±1.5 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 55/64 C± ±0.4 ±1 B 9.5 ±0.1 A ±0.4 Ø ± Ø ±0.15 Pump I M8 13 deep ±0.15 Pump II M6 13 deep Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± ± (15) with the size 4 and 5,5 cm 3 Ø M8 13 deep M6 13 deep A 510 G AZPGF 22 / D C M B Displacement Ordering-No. [cm 3 /rev] P ı P ıı L R P ı P ıı [rpm] A B C Max. operating pressure [bar] Max. rotation speed Dimension [mm]

56 174 ± Ø ± ± ±2 154 ± ±1.5 56/64 Bosch Rexroth AG Hydraulics AZPG-22 RE / ± ±0.1 A ±0.4 B ±1 C ±1.5 Ø ± ±0.25 M10 Pump I Pump II Spline shaft ANSI B T 16/32 SP Tooth thickness sw = M10 A AZPGG 22 D C M B Displacement Ordering-No. [cm 3 /rev] PT 1 PT 2 L R PT 1 PT 2 [rpm] A B C Max. operating pressure [bar] Max. rotation speed Dimension [mm]

57 174 ±1.5 Ø ±2 154 ± ±1.5 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 57/64 41 ±0.4 B±1 9.5 ±0.1 ±0.6 A C ±1.5 Ø ± ±0.15 Pump I M8 13 deep ±0.15 M6 13 deep Pump II Spline shaft ANSI B T 16/32 SP Tooth thickness sw = ± ± (15) with the size 4 and 5,5 cm M8 13 deep A M6 13 deep AZPGF 22 D C M B AZPGF 22 D C K B* Displacement [cm 3 /rev] Ordering-No. Max. operating pressure [bar] Max. rotation speed Dimension [mm] PT 1 PT 2 L R PT 1 PT 2 [rpm] A B C * * * * *

58 58/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Fittings Fittings can be used for rectangular flange 20 see page 7 Gear pump flange, 90 angle LA L3 L4 LA Ø DB LK L1 L2 L5 S1 Ø D3 Ø D1 Ø D1 LK D1 D3 L1 L2 L3 L4 L5 LA S1 DB Screws Seal 2x 2x ring Mass kg Part number 55 20S M 8x25 M 8x 33x S M 8x25 M 8x 33x L M 8x25 M 8x60 32x L M 8x25 M 8x70 32x Complete fittings with seal ring, metric screw set, nuts and olive. Note The permissible tightening torques can be found in our publication: General operating instructions for external gear units RE B1. p (bar)

59 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 59/64 Spare parts Single pump 3 Multiple pump 31 Page Ordering code Seal kit G NBR Shaft seal ring Pos. 3 Qty. Dimension Material 18 AZPG 22 C B 20 M B x 26 x 7 NBR 19 AZPG 22 H O 30 M B x 26 x 7 NBR 20, 21, 22 AZPG 22 D C 07 K B x 26 x 7 FKM 23, 24, 25 AZPG 22 Q C 12 M B S x 26 x 7 NBR 26, 27, 28 AZPG 22 X 07 K B S x 26 x 7 FKM 29, 30, 31 AZPG 22 D C 07 K B S x 26 x 7 FKM 32, 33, 34, 35, 36, 37 AZPG 22 D C 12 M B x 26 x 7 NBR 38, 39 AZPG 22 Q C 12 M A x 26 x 7 NBR 40, 41, 42, 43, 44, 45 AZPG 22 D C 40 M B x 26 x 7 NBR 46, 47, 48, 49,, 51 52, 53 AZPG 22 D C 12 M A x 26 x 7 NBR 54 AZPG 22 / C B M B Pump section x 26 x 7 NBR x 26 x 7 FKM Pump section AZPG 22 / D C K B Pump section x 26 x 7 FKM Pump section AZPG 22 / D C M B Pump section x 26 x 7 NBR x 26 x 7 FKM Pump section AZPG 22 / D C M B Pump section x 26 x 7 FKM Pump section For multiple pumps Seal ring Item 31 NBR

60 60/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Notes for commissioning Filter recommendation The major share of premature failures in external gear pumps is caused by contaminated hydraulic fluid. As a warranty cannot be issued for dirt-specific wear, we recommended filtration compliant with cleanliness level 20/18/15 ISO 4406, which reduces the degree of contamination to a permissible dimension in terms of the size and concentration of dirt particles: Operating pressure [bar ] >160 <160 Contamination class ISO /15 19/16 To be reached with β X = We recommend that a full-flow filter always be used. Basic contamination of the hydraulic fluid used may not exceed class 20/18/15 according to ISO Experience has shown that new fluid quite often lies above this value. In such instances a filling device with special filter should be used. General The pumps supplied by us have been checked for function and performance. No modifications of any kind may be made to the pumps; any such changes will render the warranty null and void! Pump may only be operated in compliance with permitted data (see pages 14 17). Technical data All stated technical data is dependent on production toler ances and is valid for specific marginal conditions. Note that, as a consequence, scattering is possible, and at certain marginal conditions (e.g. viscosity) the technical data may change. Characteristics When designing the external gear pump, note the maximum possible service data based on the characteristics displayed on pages Additional information on the proper handling of hydraulic products from Bosch Rexroth is available in our document: General product information for hydraulic products RE Contained in delivery The components with characteristics as described under ordering code and device measurements, pages 18 57, are contained in delivery. You can find further information in our publication: General Operating Instructions for External Gear Units RE B1. Project planning notes Comprehensive notes and suggestions are available in Hydraulics Trainer, Volume 3 RE , Project planning notes and design of hydraulic systems. Where external gear pumps are used we recommend that the following note be adhered to.

61 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 61/64 Ordering-No. Ordering-No. Page Ordering-No. Page Ordering-No. Page

62 62/64 Bosch Rexroth AG Hydraulics AZPG-22 RE /04.14 Ordering-No. Ordering-No. Page Ordering-No. Page Ordering-No. Page

63 AZPG-22 RE /04.14 Hydraulics Bosch Rexroth AG 63/64 The AZ configurator at The AZ configurator assists you to configure your individual external gear unit easily and user-friendly. You only need to specify your requirements: From the displacement, direction of rotation, drive shaft, connection flange right up to the required rear cover. You immediately receive a project drawing (PDF format) if a configuration already exists. You receive the price of the configured external gear unit upon request. The AZ configurator assists you to configure your individual external gear unit easily and userfriendly all data needed for project planning are acquired thru menu guidance. Selection is made either on an ordering code or your technical requirements. This means that you can search for external gear units that have already been configured, or you specify the configuration variant of the external gear unit based upon the operating parameters you require. If the external gear unit you selected has been released you will receive the part number, ordering code and a detailed installation drawing. If your special configuration is not available please send your specification to Rexroth. One of our employees will then contact you.

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