A16 series Yuken Variable piston pump
Youyan A series variable piston pumps have a wide range of displacement, ranging from 10cm3/rev to 219cm3/Rev. Common displacement includes: A10, A16, A22, A37, A56, A70, A90, A145
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YUKEN A16 Series Variable Displacement Piston Pump: Models and Parameters
1. Model Specifications
1.1 Standard Model Format
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A16: Series number (geometric displacement: 15.8 cm³/rev)
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※ (1st): Mounting type – F: Flange mounting; L: Foot mounting
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R: Rotation direction (clockwise when viewed from the shaft extension end, standard type; counterclockwise is available on request)
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09: Control type – Constant power control
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※ (2nd): Power characteristics – A: 3.7kW; B: 5.5kW; C: 7.5kW; D: 11kW
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※ (3rd): Specified control pressure – 7M: 7MPa; 10.5M: 10.5MPa; 14M: 14MPa; 16M: 16MPa; 17.5M: 17.5MPa; 21M: 21MPa
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K: Design code
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32: Design number
1.2 Common Specific Models
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A16-F-R-09-A-16M-32
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A16-F-R-09-B-14M-32
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A16-F-R-09-C-21M-32
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A16-F-R-09-D-17.5M-32
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A16-L-R-09-A-10.5M-32 (Foot mounting type)
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A16-F-R-01-C-S-K-32 (Pressure compensator control type)
2. Key Technical Parameters
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Parameter Item
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Specification
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Remarks
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|---|---|---|
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Geometric Displacement
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15.8 cm³/rev (0.964 cu.in./rev)
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Standard value of A16 series
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Minimum Adjustable Flow
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4 cm³/rev (0.244 cu.in./rev)
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Pressure compensator control type
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Rated Working Pressure
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16 MPa (2320 psi)
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Depends on power characteristics
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Maximum Working Pressure
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21 MPa (3050 psi)
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Intermittent working pressure; up to 31.2 MPa for special models
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Shaft Speed Range
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600 – 1800 r/min
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No load to full load operation
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Volumetric Efficiency
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Over 98%
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At 160 kgf/cm² and 1800 r/min
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Overall Efficiency
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Over 90%
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At 160 kgf/cm² and 1800 r/min
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Noise Level
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57.3 dB(A) max
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At full cut-off pressure 210 kgf/cm², 1500 r/min, 1m away from pump head cover
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Weight
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16.5 – 18.7 kg (36.4 – 41.2 lbs)
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Depends on mounting type (flange/foot)
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Recommended Hydraulic Oil
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Petroleum-based anti-wear oil or R&O oil (ISO VG 32 or 46)
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Viscosity range: 20 – 400 cst (0 – 60℃)
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Contamination Control
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NAS Grade 10
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Suction filter ≥100μm; return line filter ≤10μm
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3. Supplementary Notes
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The maximum working pressure of the A16 series varies with power characteristics; refer to the power characteristic table for details.
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Counterclockwise rotation models are available on request; please contact YUKEN or its authorized distributors for customization.
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The A16 series pump does not include pipe flange components; please order separately according to the required flange type if needed.
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When installing the pump, ensure the filling port is positioned upwards to avoid operational failures.
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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.
