Description

YUKEN PV2R Series Double Vane Pump: Specifications & Introduction

Name: Yuken double vane pump
Brand: YUKEN
SKU: 300

The YUKEN PV2R Series Double Vane Pump is a high-performance hydraulic component widely recognized in industrial applications for its reliability, compact design, and low-noise operation. It integrates two single PV2R series vane pumps into a single housing, driven by a common shaft, enabling independent oil supply to two separate hydraulic circuits through one suction port and two discharge ports. This integrated structure optimizes installation space and improves system efficiency, making it a preferred choice for various mechanical equipment.

1. Model Designation Explanation

The model code of PV2R series double vane pump contains key configuration information, with each segment representing specific parameters as follows (taking a typical model as an example: PV2R13-6-40A-F-76A-R-LA):

PV2R: Series identifier for double vane pumps.
13: Series number, indicating the basic structure and size (optional series: 12, 13, 23, 33, 14, 24, 34).
6: Nominal displacement of the small-volume pump (unit: ml/rev), with optional ranges varying by series.
40: Nominal displacement of the large-volume pump (unit: ml/rev), with different options for each series.
A: Discharge port position of the small-volume pump (viewed from the shaft end); default is upward (A), other options include left 45° upward (E) etc.
F: Discharge port position of the large-volume pump (viewed from the shaft end); common options are upward (A) and right 45° upward (F).
76: Design standard number, matching different installation and structural requirements.
A: Suction port position (viewed from the shaft end); default is upward (A), with alternatives like downward (B) or left (L).
R: Rotation direction; clockwise (R) is standard, counterclockwise (L) is available on request.
L: Mounting type; foot mounting (L) or flange mounting (F) are optional.
A: Seal type; standard seal for mineral oil, “A” indicates special seals for phosphate ester type fluids (omitted if not required).

2. Core Specifications

2.1 Nominal Displacement

The nominal displacement ranges vary by series, covering small to large flow demands. Typical options are as follows:

PV2R12/PV2R13 Series: Small pump: 6, 8, 10, 12, 14, 17, 19, 23 ml/rev; Large pump: 26, 33, 41, 47, 53, 59, 65, 52, 60, 66, 76 ml/rev.
PV2R23/PV2R33 Series: Small pump: 17, 26, 33, 41 ml/rev; Large pump: 52, 60, 66, 76, 94, 116 ml/rev.
PV2R14/PV2R24/PV2R34 Series: Small pump: 6-47 ml/rev; Large pump: 136, 153, 184, 200, 237 ml/rev (for high-flow applications).

2.2 Pressure Rating

Rated working pressure: 25 MPa (continuous operation); Peak pressure: 31.5 MPa (short-term operation), ensuring adaptability to high-pressure hydraulic systems.

2.3 Fluid & Viscosity Requirements

Recommended fluid: ISO VG 32-68 hydraulic oil (mineral oil as standard); Special seals for phosphate ester fluids are optional. Optimal working viscosity: 20-100 mm²/s (100-460 SSU); Operating temperature range: -10°C to 80°C.

2.4 Noise Level

With advanced low-noise design, the noise level is ≤40 dB(A) when measured 1 meter horizontally away from the pump head cover under standard conditions (viscosity 20 mm²/s, 50°C).

2.5 Installation Dimensions

Shaft Diameter: φ15.88 mm, φ19.05 mm, φ22.22 mm, φ25.4 mm (varies by series).
Mounting Type: Foot mounting (L) and flange mounting (F) are available, with standard bolt specifications (e.g., 4-M10×18 for foot mounting).
Port Sizes: Suction port diameter: φ25 mm – φ76.2 mm; Discharge port diameter: φ38.1 mm – φ101.6 mm, matching different flow rates.

3. Performance & Structural Features

Integrated Compact Design: Two pumps share one housing and shaft, reducing installation space and simplifying pipeline layout.
Stable Operation: Adopts double-acting vane structure, with centrifugal force and hydraulic pressure ensuring tight contact between vanes and stator, minimizing flow pulsation.
Energy Efficiency: Fixed displacement design with high volumetric efficiency, reducing power loss and oil temperature rise, suitable for energy-saving hydraulic systems.
Durable Construction: Made of high-strength cast iron, with precision-machined components and high-quality seals, extending service life in harsh working conditions.
Customizable Configurations: Optional rotation direction, port positions, and seals to meet specific application needs; pipe flange kits are available for easy installation.

4. Application Fields

The PV2R series double vane pump is widely used in various industrial machinery, including: plastic injection molding machines, metal cutting machines, forging equipment, leather processing machinery, construction machinery, and automated production lines. It is particularly suitable for systems requiring independent oil supply to two circuits, such as clamping and injection mechanisms in injection molding machines.

Note: For counterclockwise rotation or special fluid compatibility requirements, please consult YUKEN technical support for customized solutions. All parameters are based on standard working conditions (50°C, ISO VG 32 oil).

YUKEN RV2R Pump

Additional information

Height	74 cm
Width	105 cm
Depth	45 cm
Material	Solid oak

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Yuken double vane pump

YUKEN PV2R Series Double Vane Pump: Specifications & Introduction

1. Model Designation Explanation