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PV2R23-38-78-F-REAA-43 YUKEN Hydraulic pumps
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Description
YUKEN Hydraulic Pump PV2R23-38-78-F-REAA-43 Parameter Description
1. Model Code Interpretation
The model code of YUKEN PV2R23-38-78-F-REAA-43 is composed of multiple segments, each representing specific product specifications, as detailed below:
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PV2R23: Series identifier, indicating a high-pressure, low-noise double vane pump of the PV2R23 series, which is a tandem pump combined by two single PV2R series pumps in one housing and driven by a common shaft, suitable for medium-displacement hydraulic system requirements.
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38: Displacement of the first (smaller) pump unit, with a nominal displacement of 38 cc/rev.
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78: Displacement of the second (larger) pump unit, with a nominal displacement of 78 cc/rev.
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F: Mounting and port orientation code, specifying the pump’s installation type and oil port direction (specific details refer to YUKEN official technical manual).
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REAA: Control and shaft end specification code, representing the pump’s control mode and shaft end structure configuration.
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43: Additional specification code, related to seal type and other auxiliary configurations of the pumpsuperscript:3>.
2. Core Technical Parameters
|
Parameter Item
|
Specification
|
Unit
|
|---|---|---|
|
Pump Type
|
Double Fixed Displacement Vane Pump
|
–
|
|
Nominal Displacement (Pump 1)
|
38
|
cc/rev
|
|
Nominal Displacement (Pump 2)
|
78
|
cc/rev
|
|
Maximum Operating Pressure
|
21.0 (210)
|
MPa (bar)
|
|
Maximum Rotational Speed
|
1800
|
rpm
|
|
Minimum Rotational Speed
|
750
|
rpm
|
|
Operating Temperature Range
|
0 – 60
|
℃
|
|
Shaft Seal Type
|
Standard Oil Seal (Refer to model 43 specification)
|
–
|
|
Mounting Type
|
Flange Mounting (JIS Standard)
|
–
|
|
Flange Bolt Specification
|
M16 (Strength Class 6.8), 4 pcs; Tightening Torque: 112 – 137 N·m
|
–
|
3. Performance Characteristics
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Adopts a tandem structure design, integrating two medium-displacement vane pumps into one housing, which saves installation space and reduces equipment weight while meeting medium-flow hydraulic power demands.
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Features high efficiency, low noise, small pressure pulsation and high reliability, suitable for long-term continuous operation.
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The installation and connection dimensions comply with national and international standards, facilitating replacement with domestic and foreign similar products.
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The seals and cartridge kits are specially configured (model 43), ensuring good sealing performance and easy maintenance and replacement.
4. Application Scope
Widely used in hydraulic systems of medium-sized machine tools, ordinary plastic machinery, medium forging machinery and other equipment that require medium displacement and stable pressure, providing reliable and stable hydraulic power source.
5. Notes
-
The pump should be used within the specified temperature and viscosity range to avoid performance degradation or damage caused by excessive temperature or inappropriate oil viscosity.
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When installing, use the specified number and strength class of bolts, and tighten them according to the recommended torque to prevent bolt damage and hydraulic oil leakage.
-
For detailed dimensions, oil port specifications and maintenance methods, refer to YUKEN official technical manual (Document No. Pub.JM-0157).
YUKRN PV2R PUMP
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PV2R13-17-63-F-REAA-43 PV2R23-31-76-F-REAA-43 PV2R23-38-78-F-REAA-43 PV2R13-19-65-F-REAA-43 YUKEN VANE PUMPS |
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