[Flo-Products Company Logo]

The Oilgear Company

Hydraulic Pumps

Series PVV Open Loop Axial Piston Pumps
The PVV pumps are high horsepower, open loop, axial piston pumps for high performance applications. The durable PVV Pump Line features their exclusive "hard-on-hard" rotating group and their time proven hydrodynamic bearings designed using composite materials.
"Hard-on-hard" is a hardened surface running on a hardened surface. All specially designed internal running surfaces; piston shoes, cylinders and port plate surfaces, are hardened to Rockwell "C" of 60 to 70. This provides for greater resistance to and the ability to run in highly contaminated fluids.
 
The composite material hydrodynamic bearings can withstand higher temperatures, provide infinite bearing life and allow the pump to run with special fluids.
Lubricated saddle bearings reduce pump hysteresis and provide high performance in high cycle applications.
 
Constant suction and pressure port locations allows for easy installation regardless of pump rotation. It is an adaptable bi-directional pump that can rotate in either direction by simply changing the port plate. Dual pump drains allow flexibility in the mounting position of the pump.
 
If weight, size, durability, control response and price are important to you, consider this computer optimized high performance pump line.
Flow rate at 1800 rpm, rated continuous pressure and 14.7 psi inlet conditions ranges from 58 to 155 gpm.
 
Features and Benefits:
Compact, computer optimized, high horsepower pumps with Oilgear's time proven rotating group.
  • Up to 560 horsepower (418 kw) in a small package enables compact, light weight installation package.
  • Proven designed rotating group with 25 years of heavy duty applications
  • Engineered with proven materials and finite element analysis
Swashblock and integral saddle with special polymerous bearings
  • Allows running on low viscosity or other special fluids
  • Permits consistent control reaction
  • Eliminates troublesome yoke bearings
  • Provides long life
SAE keyed or SAE splined shaft
Patented pressure lubricated swashblock design
  • Provides high performance for high cycling operation
Sealed front shaft bearings
  • Allows operation with low viscosity or other special fluids
  • Permits side loading
Adjustable minimum and maximum volume stops (standard)
Control interchangeability
  • Facilitates changes, from stock, on the machine in the field.
Industry proven mechanically retained shoe
  • Retained shoe mechanism allows speeds up to 2200 rpm
Cylinder mounted polymerous journal bearings
  • Enables operation with low viscosity or other special fluids
  • Provides infinite bearing life
  • Enables compact design
Piston shoes run on flat hardened alloy steel thrust plate
  • Hydrostatically balanced piston shoe assembly provides long life
  • Allows higher pressure operation, 5000-6500 psi (350-450 bar)
  • Thrust plate is easily re-machined or replaced reducing repair costs
  • Retained shoe mechanism allows high speed operation
Replaceable hardened cylinder wear plate and port plate
  • Provides greater resistance to contamination
  • Flat plates are easily re-machined or replaced reducing repair costs
Rugged cylinder design
  • Hardened nodular iron construction for improved performance and contamination resistance
Valve plate selection
  • Rear or tope and bottom port connections available
Through-shaft availability
  • Thru-shaft torque capability
  • Enables multiple pump installation from a single drive shaft
Quiet port plate design
  • Minimizes noise at typical electric motor speeds

 

Series PVV Nominal Dimensions
 
Unit Size		 Length Width Height Weight  
Face Mounting
in. mm in. mm in. mm lbs. kg.
200 & 250 20.78 527.7 16.31 414.3 11.82 300.2 355 161 ISO 200/SAE "E" 4 Bolt
440 & 540 28.20 715.0 21.60 549.1 15.10 385.8 750 364 ISO 250 4 Bolt

 

Series PVV Nominal Performance Specifications
Unit
Size		 Theoretical Maximum Displacement Rated Continuous Pressure# Maximum Pressure
10% of duty cycle		 Maximum
Speed		 Flow Rate
at 1200 rpm, rated cont. pressure & 14.7 psi (barabs) inlet conditions		 Power Input
at rated cont. pressure & 1200 rpm
in³/rev ml/rev psi bar psi bar gpm l/min hp kw
200 12.20 200 6000 414 6500 450 58 219 223 166
250 15.26 250 5000 345 5800 400 72 273 242 180
440 26.85 440 6500 450 7250 500 129 488 601 448
540 33.00 540 5000 345 5800 400 155 587 547 408

 

Series PVV Ordering Information and Options
PVV - 540 - A1 U V - L D F Y - P - 1 N N         SN - NN  
V series variable pump, 540 ml/rev; A1 design series,; ISO mounting and SAE ports; viton seals; ccw rotation; one-way service, top & bottom ported; flange connection type; keyed input shaft end; pressure compensating control; single setting, no voltage required, no connector required; maximum volume stop; no cover plate.
1-3 - 4 - 5 6 7 - 8 9 10 11 - 12 - 13 a 13 b 13 c / 13 d 13 e 13 f 14 - 15 Oilgear Order Block Number
PVV - |
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NN
CP
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AN
 
AA
 
BN
 
BB
 
CN
 		 Cover Plate
None
Cover plate
Adapters (Omit if not required)
SAE A 2-bolt mounting
SAE AA 2-bolt mounting
SAE B 2-bolt mounting
SAE BB 2-bolt mounting
SAE C 2-bolt mounting
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SA
SB
 
SN
 		 Volume Stops
Minimum volume stop
Minimum & maximum volume stop
Maximum volume stop (standard)
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100
 		 Control Modifier - Position 6
A Control Only Input horsepower override
100 HP Input (Specify 1800 RPM HP)
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F
 
G
 
 
+
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100		 Control Modifier - Position 5
A Control Only
Pressure override options
Single setting flange mount with system safety
Multi compensator or system relief settings via pilot control module flange mount
P Control Only
Input Horsepower
100 HP Input
PVV - |
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F
G
 
H		 Control Modifier - Position 4
A Control Only
Unit
Pressure override modifiers
P Control Only
Control Modifier
Load sensing option
Horsepower limiting with load sensing option
Horsepower limiting option
PVV - |
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/
 
 		 Separator
A/P control modifier separator
Omit separator, pos 4, 5 and 6 if not required
PVV - |
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N
F
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5
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R
W
S
L
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R
W
S
L
B
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5
0
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N
L
 
R
 		 Control Modifier - Position 3
A Control Only control Bias
Spring bias to neutral (Ext. pilot reqd.)
Spring bias to full stroke
F Control Only 3rd digit
75% full stroke
50% or 100% Full stroke
P Control Only Connector
None required
.500 NPT w/lite
.500 NPT w/o lite
PG-11 w/o lite
PG-11 w/lite
R Control Only Connector
.500 NPT w/lite
.500 NPT w/o lite
PG-11 w/o lite
PG-11 w/lite
.500 NPT Conduit Box
V Control Only 3rd digit
Integral 25 liter servo valve
Integral 50 liter servo valve
Remote servo valve - Visual stroke indicator
None
Cable mounting arranged for indicator on left side of pump, facing driveshaft
Cable mounting arranged for indicator on right side of pump, facing driveshaft
PVV - |
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R
F
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5
7
0
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N
0
1
2
3
+
0
1
2
3
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2
5
+
N
T		 Control Modifier - Position 2
A Control Only
Rising signal/increases stroke
Falling signal/decreases stroke
F Control Only 2nd digit
50% full stroke
75% full stroke
Full stroke
P Control Only
None required
Solenoid voltage 115/60 - 110/50 VAC
Solenoid voltage 230/60 - 220/50 VAC
Solenoid voltage 12 VDC
Solenoid voltage 24 VDC
R Control Only
Solenoid voltage 115/60 - 110/50 VAC
Solenoid voltage 230/60 - 220/50 VAC
Solenoid voltage 12 VDC
Solenoid voltage 24 VDC
V Control Only 2nd digit
25 liter servo valve
50 liter servo valve
Remote servo valve - Pump mounting
Outside of reservoir
"In-Tank" mounting
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+
B
C
 
E
F
 
R
 
P
M
+
0
1
+
1
2
3
A
B
C
D
E
R
+
U
+
S
R		 Control Modifier - Position 1
A Control Only
Proportional coil operator (open loop)
Proportional coil operator with D.C.D.T. feedback (closed loop)
Proportional coil amplifier connector (open loop)
Proportional coil operator with amplifier connector and D.C.D.T. (closed loop)
Remote pressure signal 150 to 650 psi (10 to 150 bar)
Pull type manual stem operator
Push type manual stem operator
F Control Only 1st digit
50% or 75% stroke
Full stroke
P Control Only
Single setting
Dual setting
Triple setting
Normally open proportional device
Normally closed proportional device
Single pressure w/soft start
Dual pressure w/soft start
Triple pressure w/soft start
Remote control
R Control Only
Two volume control
V Control Only
Integral servo valve
Remote mounted servo valve
PVV - |
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A
F
P
R
V		 Control Types
Force amplifier
Fixed (screw adjustable)
Pressure Compensating
Two position Solenoid Selector
Electrohydraulic (w/feedback)
PVV - |
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Y
S
T		 Shaft End
Keyed (standard)
Splined
Keyed "long" shaft (540 only)
PVV - |
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F		 Connection Type
Flange (Customer supplied)
PVV - |
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D
S		 Valve Plate Type
One-way service (Top & bottom ported)
One-way service (Rear ported)
PVV - |
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L
R		 Rotation
Left hand (CCW)
Right hand (CW)
PVV - |
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V
B
E
P		 Seals
Viton (standard)
Buna-N
Butyl
EPR
PVV - |
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U
B		 Design Series Modifier
ISO mounting and SAE ports
ISO mounting and BSPP ports
PVV - |
|		 - +
A1		 Design Series
All pumps
PVV - +
200
250
440
540		 Unit Size (capacity)
200 ml/revolution
250 ml/revolution
440 ml/revolution
540 ml/revolution

 
If you are located in Missouri, Kansas, Nebraska, or Illinois, you may contact us at the following telephone and fax numbers with your requests or questions:
St. Louis telephone 314.428.4000 fax 314.428.4097
Kansas City telephone 913.829.5900 fax 913.829.0815
 
For ALL OTHER AREAS Please use the Info Request form for specific product information, pricing or other information. Please include company name, contact name, address, phone number and fax number to ensure a timely response.
 
Send e-mail to webmaster@flo-products.com with questions or comments about this web site.
Copyright © 2003 Flo-Products Company
Last modified:
Brochure: Bulletin 47028B