VDR-2A-1A2-13 NACHI Variable vane pump
VDR Series: VDR-1A、VDR-2A、VDR-1B、VDR-2B
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NACHI Variable Vane Pump VDR-2A-1A2-13 Parameters
Basic Information
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Model: VDR-2A-1A2-13
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Type: Variable Volume Single Vane Pump
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Series: VDR 13 Design Series (improved from old 11/12 design series with mounting interchangeability, pump size 2)
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Mounting Method: Foot Type Mount (denoted by “A” in the model)
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Flow Characteristic: Constant Discharge Type (denoted by “A” in the model)
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Design Number: 13
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Ring Size: 1 (corresponding to pressure adjustment range code “2”)
Technical Specifications
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Capacity (Displacement): 25 cm³/rev
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No-Load Discharge Rate:
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1000 min⁻¹: 25 ℓ/min (6.6 gpm)
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1200 min⁻¹: 30 ℓ/min (7.9 gpm)
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1500 min⁻¹: 38 ℓ/min (10.0 gpm)
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1800 min⁻¹: 45 ℓ/min (11.9 gpm)
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Pressure Adjustment Range: 1.5 to 3.5 MPa (15.3 to 35.7 kgf/cm²), equivalent to 217 to 508 psi
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Allowable Peak Pressure: 14 MPa (143 kgf/cm²), equivalent to 2030 psi
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Revolution Speed Range: 800 to 1800 min⁻¹
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Weight: 21 kg (46.3 lb)
Key Features
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Energy-efficient and economical operation, with built-in high-precision pressure compensation structure to minimize power loss, especially at full cutoff, which is a prominent advantage of the VDR 13 design series.
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High-precision instantaneous response, ensuring prompt on-off and off-on operation for stable and accurate performance in various industrial hydraulic systems, supported by NACHI’s exclusive mechanisms.
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Low noise operation even in the high-pressure range, achieved by optimized journal bearings and improved suction/discharge port configurations, reducing vibration during operation.
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Compact design with small volume, and the input proportional to pressure does not increase, effectively preventing oil temperature rise, suitable for space-constrained installation scenarios.
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Durable construction with specially selected materials and exquisite workmanship, and it can eliminate the need for relief valves and unloading valves in the circuit, simplifying the hydraulic system structure.
Note
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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.
