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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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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Process steps：
Customer inquiry: Customers will make inquiries before placing an order to understand product details and communication needs.
Quotation: According to customer needs, provide a formal quotation, including the name, model, quantity, delivery time, payment method, etc. of the goods.
Order confirmation: After the customer confirms the quotation, a formal purchase order will be placed.
Confirm the delivery time: communicate the delivery time with the production department, inform the factory of the order details, and arrange the production plan.
Sign an export contract: After the two parties confirm that it is correct, sign an export contract to establish a trade relationship.
Implement the letter of credit (if applicable): If the payment method of the letter of credit is used, the customer needs to be urged to issue the certificate and review the contents of the letter of credit.
Export stocking: According to the requirements of the contract and the letter of credit, arrange production, purchase raw materials and packaging, and prepare the goods.
Chartering and booking: Contact the freight forwarder to make a booking and arrange the transportation of goods.
Export inspection: Apply to the quality inspection department for export commodity inspection and provide relevant documents.
Apply for a write-off slip: apply for a write-off slip from the foreign exchange management department for subsequent foreign exchange write-off.
Export declaration: Declare exports to the customs and provide documents such as power of attorney for customs declaration, customs declaration form for export goods, commercial invoice, packing list, etc.
