T3 3rd pump. Calculation example: V displacement in cm3 ?hydr.-mech. hydraulic-mechanical efficiency T torque in Nm ?p pressue in bar.


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Fixed displacement
Type PR4
Sizes 1.60 to 20.00 cm
Maximum operating pressure 700 bar
11263/10.05
R4-3X/16,00-500RA01M01
P2R4-3X/4,00-700RK01M01+AZPF8
H7321
H7322
able of contents
Contents Page
Ordering code for PR4 2
Function, section, symbol 3
Design variants for multi-circuit pumps 4
hnical data, noise pressure level 5
Flow and drive power 6
Characteristic curves 7
Unit dimensions 8 and 9
Seal kits 10
Multiple pumps 11 to 14
Ordering code for P2R4 and P3R4 11
Notes on the engineering of multiple pumps 12
Unit dimensions 13 and 14
Installation notes 15
Engineering notes 16
ommissioning note 16
eatures
Self-priming, valve-controlled
14 sizes, favourable gradations for optimum pump selection
Long service life due to hydrodynamically lubricated sliding
Several pressure ports with various cylinder combinations
/16
Bosch Rexroth AG
PR4
RE 11263/10.05
Number of pressure ports
odeNumber of
5 pistons10 pistons
01 =
13510
1+25+5
11 =
12 =
1010x1
eal material
Line connection
01 =
P thread to ISO 228/1
12 =
AE thread to ANSI B1.1
Serrated shaft 21x24 to DIN 5481
for mounting an AZPF or AZPFF
= PR
(30 to 39: unchanged
installation and connection
dimensions)
Component size
omponent size - pressure stage
maximum)
cm3 (3)
= 1.60-700
2.14 cm
= 2.00-700
= 2.50-700
3.57 cm
= 3.15-700
= 4.00-700
.14 cm
= 6.30-700
= 8.00-700
= 3.15-500
9.71 cm
= 10.00-500
6.07 cm
= 16.00-500
Direction of rotation
Clockwise rotation
PR43XR
P
3
2
11
1
P
S
Bosch Rexroth AG
11263/10.05
PR4
As the piston (6) moves downwards, the working chamber (10)
enlarges in cylinder (7). The ensuing negative pressure causes
the suction valve plate to lift off the sealing edge. At the same
time, the connection from suction chamber (12) to working
hamber (10) is opened via a radial groove
(11) in
he working chamber fills with fluid. As the piston (6) moves
upwards, suction valve (4) closes and pressure valve (5)
opens. The fluid now flows via pressure port (P) into the sys-
tem.
Hydraulic pumps of type PR4 are valve-controlled, self-priming
radial piston pumps with fixed displacement.
Radial piston pump type PR4 mainly consists of the housing
), eccentric shaft (2) and 3, 5 or 10 pum
Suction and displacement process
(2). The radius of the piston running face corresponds to the
radius of the eccentric shaft. The cylinder (7) seals against a
unction, section, symbol
P2
P4
P5
P7
P8
P9
P10
P2
P4
P5
P2
P4
P5
P2
P4
P5
/16
Bosch Rexroth AG
PR4
RE 11263/10.05
3 pistons5 pistons10 pistons
Design options for multi-circuit pumps
he following can be seen from the schematic diagrams below:
The number and position of pressure ports,
which cylinders are interconnected.
the pressurised pressure port.
ly to the pressurised pressure port.
he dotted and chain-dotted lines show, which cylinders are in-
terconnected.
he pressurised pressure ports are numbered clockwise.
he pressure port, which - in the clockwise direction - is clos-
est to the suction port, is identified with "P1".
100200300400500600700
75
20,00500
70
6,30500
5,00500
2,00700
1,60700
100200300400500600700
100200300400500600700
70
10,00500
3,15700
Bosch Rexroth AG
11263/10.05
PR4
echnical data
Speed rangemin
average value): (measured at
= 1450 min
= 41 mm
= 50 C)
he characteristic curves are not valid for multi-circuit variants.
3piston pump
Noise pressure level in dB (A)
Noise pressure level in dB (A)
5piston pump
Noise pressure level in dB (A)
0piston pump
1
3
1
3
4
5
/16
Bosch Rexroth AG
PR4
RE 11263/10.05
= 1450 min
1)
actor "
= 1450 min
he values given in the table flow and drive power refer to
Radial piston pump
3 cylinders5 or 10 cylinders
actor
actor
13.13
1+21.89
1+21.571+31.57
1+2+31.60
1+3+41.35
1+2+3+41.30
1+2+31.001+2+3+4+51.00
or pumps with 10 cylinders, 2
cylinders each are connected to a
pressure port.
Pump PR43X/1,60-700/RA01M02
der ID
Stroke
Operating pressure
50100150200250300350400450500550600650700
6.40.509
0.71
.164
0.231
0.481
0.67
0.67
0.67
0.739
0.81
0.97
109.10.714
0.129
1.01
1.0
0.41
0.677
0.975
0.77
0.97
1.16
.257
.00.864
1.21
0.275
1.2
.195
1.19
.184
0.91
.174
1.018
.163
.157
1.37
.147
1.61
156.41.13
1.6
0.213
1.58
0.547
.567
1.0
1.27
1.53
159.11
.61
0.27
0.71
0.91
1.31
1.51
1.7
2.18
1.91
1511.0
2.74
2.73
0.57
2.71
1.31
2.67
1.55
1.8
050
100150200250300350400450500
050
100150200250300350400450500550600650700
050
100150200250300350400450500
050
100150200250300350400450500550600650700
Bosch Rexroth AG
11263/10.05
PR4
Characteristic curves
= 1450 min
= 41 mm
= 50 C)
S
(4.409)
80 (3.150)
(4.173)
109.5 (4.311)
38.5
(1.516)
50.5
(1.988)
42
(1.654)
6.5
(0.256)
4 x M8; 10 (0.39)
0.2
0.0079
0.0

0.0014
(0.3150
0.00035

0.00016
0.0

0.0018
(2.4803
63

(4.409)
(4.173)
109.5 (4.311)
(0.256)
(1.516)
50.5
(1.988)
42
(1.654)
6.5 (0.256)
0.0

0.0018
(2.4803

63

+
0.00035

0.00016
4 x M8; 10 (0.39)
96 (3.780)
+
0.0

0.0014
(0.3150
0.2
0.0079
/16
Bosch Rexroth AG
PR4
RE 11263/10.05
Radial piston pump with 3 pistons, nominal dimensions in mm (inch)
Splined shaft to DIN 5481
P thread to ISO 228/1
or line connection with code 12 to ANSI B 1.1
or line connection with code 12, connection adapter
1/16-12 UN) to ANSI B 1.1
Radial piston pump with 5 pistons, nominal dimensions in mm (inch)
Splined shaft to DIN 5481
P thread to ISO 228/1
or line connection with code 12 to ANSI B 1.1
or line connection with code 12, connection adapter
1/16-12 UN) to ANSI B 1.1
2
4 x M8; 10 (0.39)
(4.173)
+
0.0

0.0014
(0.3150
(4.409)
0.0

0.0018
(2.4803
63


0.00035

0.00016
(1.988)
170 (6.693)
143 (5.630)
23.5 (0.926)
16 (0.630)
6.5
(0.256)
38.5
(1.516)
42
(1.654)
6.5 (0.256)
(1.299)
(1.516)
2
4 x M8; 10 (0.39)
(4.173)
+
0.0

0.0014
(0.3150
(4.409)
0.0

0.0018
(2.4803
63


0.00035

0.00016
(1.988)
170 (6.693)
143 (5.630)
23.5 (0.926)
16 (0.630)
6.5
(0.256)
38.5
(1.516)
42
(1.654)
6.5 (0.256)
(1.299)
(1.516)
P
P
P
Bosch Rexroth AG
11263/10.05
PR4
Radial piston pump with 10 pistons, code 08, nominal dimensions in mm (inch)
Splined shaft end to DIN 5481
P thread to ISO 228/1
or line connection with code 12
or line connection with code 12, connection adapter
AE-20; 1 5/8-20 UN) to ANSI B 1.1 not included in the
Radial piston pump with 10 pistons, codes 11 and 12, nominal dimensions in mm (inch)
Splined shaft end to DIN 5481
P thread to ISO 228/1
or line connection with code 12
or line connection with code 12, connection adapter
AE-20; 1 5/8-20 UN) to ANSI B 1.1 not included in the
/16
Bosch Rexroth AG
PR4
RE 11263/10.05
eal kits
Material number for
Material number for
R900307726R9003077293-piston pumps
R900307727R9003077305-piston pumps
R900307728R90030759410-piston pumps
Bosch Rexroth AG
11263/10.05
PR4
for P2R4 and P3R4 pump combinations
(30 to 39: unchanged
installation and connection
dimensions)
omponent size - pressure stage
maximum)
1.51
= 1.60-700
2.14 cm
= 2.00-700
= 2.50-700
3.57 cm
= 3.15-700
= 4.00-700
= 3.15-500
9.71 cm
= 10.00-500
Direction of rotation
Clockwise rotation
mounting an AZPF or AZPFF
Line connection
P thread to ISO 228/1
= 01
AE thread to ANSI B1.1
= 12
eal material
Number of pressure ports
odeNumber of
3 pistons5 pistons
01 =
135
1)
Observe the note on the engineering of multiple pumps
page 12)
R4 3XRKM
/16
Bosch Rexroth AG
PR4
RE 11263/10.05
Notes on the engineering of multiple pumps
The general technical data of the single pumps are also valid
for multiple pumps (see below and page 5).
The pump that is subjected to greater loads (pressure x flow)
should be the first pump stage.
P3R4-3X/3,15-700 + AZPFF8-4
When several pumps are combined, the occurring torque
can reach impermissibly high values.
The sum of torques must not exceed the permissible values
see table below)
Combination pump
Calculation example:
hydr.-mech.
hydraulic-mechanical efficiency
0.0159
(Nm)
hydr.-mech.
00 bar 3.57 cm
0.0159
e pump combination can be operated at the calculated
echnical data.
Max. permissible
Pump typeinput torque
output torque
R4160 Nm45 Nm
AZPF45
Nm45 Nm
AZPFF45
Nm45 Nm
0.0159
= 15.0 Nm
0.0159
= 18.8 Nm
= 160 Nm
L1
86.8 (3.417)


L1
0.15
0.006
M6; 13 (0.512)


(0.618)
S
0.15
0.006
M6; 13 (0.512)
P
Bosch Rexroth AG
11263/10.05
PR4
Type P2R4- ...+D1
0.15 (0.006)
D2
L1L2
mm
(inch)mm (inch)mm (inch)mm (inch)
40.00(1.575)15.00(0.591)124.2 (4.890)170.5(6.713)
40.00(1.575)15.00(0.591)125.4(4.937)173.0(6.811)
40.00(1.575)20.00(0.787)127.5(5.020)177.1(6.972)
40.00(1.575)20.00(0.787)131.3(5.169)182.1(7.169)
40.00(1.575)20.00(0.787)131.8 (5.189)187.1(7.366)
40.00(1.575)20.00(0.787)131.8(5.189)190.5(7.500)
40.00(1.575)20.00(0.787)131.8(5.189)195.5(7.697)
F2240.00(1.575)20.00(0.787)139.4(5.488)200.9 (7.909)
F2555.00(2.165)26.00 (1.024)147.5(5.807)217.3(8.555)
F2855.00(2.165)26.00 (1.024)148.1(5.831)222.1(8.744)
P2R4, nominal dimensions in mm (inch)
L3
L1
86.8 (3.417)


38.5 (1.515)
L1
0.15
0.006
M6; 13 (0.512)


(0.618)
35
0.15
0.006
S
S
0.15
0.006
40
0.15
0.006
M6; 13 (0.512)
P
P
/16
Bosch Rexroth AG
PR4
RE 11263/10.05
Type P3R4- ...+D1 D2 L1L2 L3
mm
(inch)mm (inch)mm (inch)mm (inch)mm (inch)
F5-415.00 (0.591)15.00 (0.591)125.4
(4.937)208.4 (8.205)254.7 (10.028)
F8-420.00 (0.787)15.00 (0.591)127.5 (5.02)212.5 (8.366)258.8 (10.189)
F8-820.00 (0.787)20.00 (0.787)127.5
(5.020)215.8 (8.496)265.4 (10.449)
1-420.00 (0.787)15.00 (0.591)131.3 (5.169)217.5 (8.563)263.8 (10.386)
1-520.00 (0.787)15.00 (0.591)131.3 (5.169)218.7 (8.610)266.3 (10.484)
1-820.00 (0.787)20.00 (0.787)131.3 (5.169)220.8 (8.693)270.4 (10.646)
6-1620.00 (0.787)20.00 (0.787)131.8 (5.189)233.5 (9.193)292.2 (11.504)
P3R4, nominal dimensions in mm (inch)
Bosch Rexroth AG
11263/10.05
PR4
Suction line
Installation notes
Installation positions
Recommendation for piping
osch Rexroth AG
6 Lohr am Main, Germany
Phone +49 (0) 93 52 / 18-0
Fax +49 (0) 93 52 / 18-23 58
[email protected]
www.boschrexroth.de
his document, as well as the data, speci cations and other
RE 11263/10.05
Engineering notes
omprehensive notes and suggestions can be found in The
Hydraulic Trainer, Volume 3 RE 00281, "notes on the planning
or the use of radial piston pumps, we recommend that the
notes given in the following be strictly observed.
echnical data
All technical data given depend on manufacturing tolerances
and are valid in conjunction with certain boundary conditions.
Please note that certain tolerances are therefore possible, and
that technical data may vary when boundary conditions (e.g.
viscosity) are changed.
Characteristic curves
Characteristic curves for flow and required power.
hen selecting the drive motor, take the max. possible operat-
ing data into account.
in accordance with DIN 45635 part 26. This means that only
the noise emitted by the pump is shown. Influences by the sur-
Important notes
Adjustments, maintenance and repair of the pump may only
be carried out by authorised, trained and instructed personnel!
Use only genuine Rexroth spare parts!
The pump may only be operated at the permissible data.
The pump may only be operated when in perfect condition!
When carrying out any work on the pump (e.g. installation or
removal), the system must be switched off and depressuri-
Commissioning notes
Илтмокафжэ м нмпраайэгкщу еанаплщу хапрэу:
S
Bosch Rexroth A±
PR41X
0101
п 10 нм 19: лгжекгллщг спралмамх-
лщг ж ножпмгвжлжргйьлщг оаекгощ)
Типоразмер прибора
= 0,40–700
Снймрлглжэ же NBR
Снймрлглжэ же FKM
Фжйжлвожхгпижз ащумвлмз имлгф аайа
Bщумвлмз имлгф аайа п кгйимцйжфгащк пмгвжлглжгк
вйэ имкбжлафжж п нйапржлхарщкж лапмпакж
S
P
Hydraulics
Bosch Rexroth A±
Млж, иаи ноаажйм, пмпрмэр же имонспа (1), ыипфглрожимам-
бм аайа (2), нйслдголмз наощ (3), п апапщааьчжк ийана-
ыипфглрожимамкс аайс (2). Нмоцгль (6) ланоаайгл а фж-
ожис (2). Нож важдглжж нмоцлэ (6) алже оабмхаэ иа-
апйгвпражг ырмбм лгбаржалмг жебщрмхлмг ваайглжг нмв-
лжкагр нйапржлис апапщааьчгбм ийанала (4.1) мр снймр-
(6) аагоу апапщааьчжз ийанал еаиощаагрпэ ж мриощаа-
грпэ ийанал ваайглжэ (5). Ргнгоь джвимпрь ргхгр и пжпрг-
74
70
100200300400500600700
1,60-250
Bosch Rexroth A±
Технические данные
(нож ножкглглжж еа ногвгйакж сиаеаллщу агйжхжл номпьба пвгйарь еаномп!)
баоабпмйьрлмг мр 0,8 вм 1,5
баоTжнмоаекго 0,40
Каип. вмнспр. кмкглр еарэдиж (ножамвлмз аай)Нк10
лапмпа вмйдгл оапнмйабарьпэ агоржиайьлм
Bоачглжг айгам ж аноаам, лг айжэгр ла ланоаайглжг нмрмиа
/пмр 10 вм 200
иб2,6
В бжвоаайжхгпижу пжпргкау лгмбумвжкм пмбйьварь сиаеаллщг ийаппщ хжпрмрщ имкнмлглрма. Эттгиржалаэ
Интенсивность шума
(погвлээ агйжхжла): (жекгоглжэ нмйсхглщ нож
°C)
600700
0,63 - 700
0,40 - 700
1,00 - 450
0,4
1,6
0,8
1,2
2,4
0
100
200
300
400
2,0
150
250
350
450
2,8
3,2
600700
0,63 - 700
0,40 - 700
Hydraulics
Bosch Rexroth A±
Графические характеристики
(жекгоглжэ нмйсхглщ нож
°C)
1,00 - 450
0,4
0,6
0,8
1,2
0
100
200
300
400
50
150
250
350
450
1,0
0,2
G1/4; 12 (0,472)
M6; 10 (0,393)
69 (2,716)
G1/2; 14 (0,551)
–0,0015
Bosch Rexroth A±
(вгзпрасгр вйэ апгу ржнмоаекгома)
(вгзпрасгр вйэ апгу ржнмоаекгома)
Мелкошлицевое соединение
P
P
P
P
Hydraulics
Bosch Rexroth A±
Всасывающий
Иебгбазрг мпгащу пжй нож спралмаиг кстрщ, р. г.
не
монтируйте ее при помощи ударов или надавлива-
ния!
Ипнмйьесзрг алсроглльь огеьбс ножамвлмбм аайа!
Нгогв спралмаимз рчаргйьлм мхжпржрг росбмномамвщ
Пйгвжрь еа бгокгржхлмпрьь апапщааьчгбм росбмном-
Нм амекмдлмпрж жпнмйьемаарь пйжалщг жйж ланмолщг
тжйьрощ (ножкглэзрг тжйьрощ апапщаалжэ рмйьим а имкбж-
лафжж п огйг лжеимбм ваайглжэ/жлвжиармоакж еабоэелглжэ)
жлахг кмдгр лахарьпэ огаифжэ оаеймдглжэ, жйж капйм
Жжвимпрь лгмбумвжкм огбсйэолм мблмайэрь а пммрагр-
пражж п спймажэкж ыипнйсарафжж. Нож ырмк лгмбумвж-
ν Впг ноааа ножлавйгдар имкналжж Bosch Rexroth A±, а рмк хжпйг
а пйсхаг еаэами ла ногвмпраайглжг ноаамамз муоалщ. Впг ноааа
оапнмоэдглжэ, а хапрлмпрж ноаам ла имнжомаалжг ж нгогвахс, нож-
лавйгдар имкналжж.
Сиаеаллщг валлщг ногвлаелахглщ рмйьим вйэ мнжпалжэ номвси
фжж. Ие ногвмпраайгллщу пагвглжз лг кмдгр пйгвмаарь ащамвма
мрлмпжргйьлм многвгйгллмз просирсощ жйж ножбмвлмпрж вйэ имл
иогрлмз фгйж ножкглглжэ. Валлаэ жлтмокафжэ лг мпамбмдвагр
нмйьемааргйэ мр номагвглжэ пмбпрагллщу ыипнгорже ж номагоми.
Мбоаржрг алжкалжг, хрм лаца номвсифжэ нмвагодгла гпргпрагллм
кс номфгппс желмпа ж праоглжэ.
Bosch Rexroth A±
нм бжвоаайжиг", рмкг 3, R-RS 00281, "Сиаеалжэ нм номги-
Нож ыипнйсарафжж оавжайьлм-нмоцлгащу лапмпма огим-
Впг сиаеаллщг наоакгрощ еаажпэр мр номжеамвпрагллщу
вмнспима ж вгзпрасьр нож многвгйгллщу иоагащу спймажэу.
многвгйгллщу оаебомпма агйжхжл; нож жекглгллщу иоа-
Нож многвгйглжж наоакгрома ножамвлмбм важбаргйэ мб-
оаржрг алжкалжг ла каипжкайьлм вмнспржкщг ыипнйса-
Злахглжэ жлрглпжалмпрж цска, сиаеаллщг ла проалж-
Вйжэлжг миосдаьчгз погвщ (ланожкго, кгпра оапнмйм-
лмаиж лапмпа, иаи ноаажйм, ножамвэр и нмащцглжь жл-
Впг оавжайьлм-нмоцлгащг лапмпщ ржна PR4 эайэьрпэ
Нож нгоамк аамвг лапмпа а ыипнйсарафжь нгогийьхж-
Вм жебгдалжг нмаогдвглжз нгогв нгоащк аамвмк ла-
пмпа а ыипнйсарафжь пйгвсгр ащнспржрь же лгбм амевсу.
Нгогийьхжрг ла бгеланмолмг нгогнспиалжг йжбм ла-
ноааьрг ланмолсь кабжпроайь жйж ланмолщз осиаа а баи.
гчг пмвгодарпэ нсещоьиж амевсуа, нмармолм ном-
лгпимйьим пгислв бге ланмоа, хрмбщ пкаеарь гбм лав-
Ипнмйьесзрг рмйьим можбжлайьлщг еанаплщг хапрж Rexroth!
Напмп оаеогцагрпэ ыипнйсаржомаарь рмйьим п вмнспрж-
Напмп оаеогцагрпэ ыипнйсаржомаарь рмйьим а бгес-
Впг оабмрщ п лапмпмк (ланожкго, кмлрад ж вгкмл-
рад) вмйдлщ номамвжрьпэ ла мбгпрмхгллмз ж бгела-

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