VDR-2B-1A5-13 NACHI Variable vane pump
VDR Series: VDR-1A、VDR-2A、VDR-1B、VDR-2B
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Parameters and Model Explanation of NACHI Variable Vane Pump VDR-2B-1A5-13
1. Model Explanation
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VDR: Series Code, indicating NACHI VDR series variable volume vane pump, which is an economical and energy-saving basic model with compact structure and low noise operation[superscript:3].
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2: Pump Size, representing the 2-series pump/head side size, corresponding to a specific displacement range and overall structural dimension of the pump[superscript:4].
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B: Mounting Method, standing for flange type mount, which is a common mounting way for hydraulic pumps to ensure stable installation in various hydraulic systems.
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1: Ring Size, indicating the specified ring/head ring size for the pump, which is matched with the internal structure to ensure stable operation and sealing performance.
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A: Flow Characteristic, representing fixed displacement type, meaning the pump can maintain a stable discharge flow under specified working conditions.
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5: Pressure Adjustment Range, corresponding to 90-140 psi (equivalent to 6.2-9.7 MPa), which is the adjustable range of the pump’s working pressure to meet different system pressure requirements.
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13: Design Number, indicating the 13th design series of the VDR pump. This design is upgraded from the previous 11/12 designs, with no change in mounting dimensions and improved noise reduction and durability.
2. Technical Parameters
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Parameter Item
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Specification
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|---|---|
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Pump Type
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Variable Volume Single Vane Pump
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Displacement
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Approx. 25 cm³/rev
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No-Load Discharge Flow (at 1800 rpm)
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Approx. 45 L/min
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Pressure Adjustment Range
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6.2-9.7 MPa (90-140 psi)
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Maximum Allowable Peak Pressure
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14 MPa (2030 psi)
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Speed Range
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800-1800 rpm
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Shaft Seal
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Type 1 (Standard Shaft Seal)
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Working Medium
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Mineral Oil, ISO VG32-68 (Viscosity Index ≥ 90)
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Working Oil Temperature Range
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15-60℃
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Weight
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Approx. 19.8 kg (43.7 lb)
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Key Features
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High efficiency with minimal power loss, quiet operation, compact design, precise performance and quick response, long service life[superscript:2][superscript:4]
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3. Supplementary Notes
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MAECENAS IACULIS
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