Caproni Gear Pump Series Complete Catalog
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Overview
Standard Product Series
Group 00 (Small Displacement, Low Pressure)
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Parameter
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Value
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Displacement Range
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0.25–2 cm³/rev
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Pressure Rating
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≤200 bar
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Speed Range
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750–3500 rpm
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Applications
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Small-displacement, low-pressure systems, precision control
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Representative Models
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00A(C)0.25X032, 00A(C)0.5X034, 00A(C)1.25X049, 00A(C)2X045H, 00R0.25X051
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Example Specs (00A0.25X032)
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Flow: 0.3 L/min @1500 rpm, Max Flow: 0.8 L/min, Max RPM: 3500, Size: A=27.6 mm, B=55.3 mm
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Group 10 (Medium Displacement, Medium Pressure)
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Parameter
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Value
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Displacement Range
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1–9.8 cm³/rev
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Pressure Rating
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≤250 bar
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Speed Range
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650–3500 rpm
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Applications
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General industrial equipment, medium-pressure systems
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Representative Models
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10A1.25X055, 10C1.6X302C4B, 10A3.15X255M, 10A4.2X302B, 10A7.5X400, 10C9.8X500
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Example Specs (10A3.15X255M)
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Flow: 4.7 L/min @1500 rpm, Max Flow: 10.0 L/min, Max RPM: 3000, Size: A=42.5 mm, B=85.0 mm, Aluminum housing, low noise design
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Group 20 (Medium Displacement, High Pressure)
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Parameter
|
Value
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Displacement Range
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4.5–25 cm³/rev
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Pressure Rating
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≤250 bar
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Speed Range
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600–3000 rpm
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Applications
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Construction machinery, medium-to-high pressure systems
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Representative Models
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20A8.2X007, 20C10X073, 20A11X006, 20A16X738HU3E, 20C20X300, 20A25X340
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Example Specs (20A16X738HU3E)
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Flow: 24.0 L/min @1500 rpm, Max Flow: 50.0 L/min, Max RPM: 2800, Size: A=68.5 mm, B=137.0 mm, Cast iron housing, integrated unloading valve
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Group 20H (Large Displacement, High Pressure)
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Parameter
|
Value
|
|
Displacement Range
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15–36 cm³/rev
|
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Pressure Rating
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≤250 bar
|
|
Speed Range
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600–2800 rpm
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Applications
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Heavy machinery, large-displacement high-pressure systems
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Representative Models
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20A15X006H, 20A28X006H, 20A36X006H, 20A25X192H
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Example Specs (20A28X006H)
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Flow: 40.32 L/min @1500 rpm, Max Flow: 67.20 L/min, Nominal Pressure: 130 bar, Enhanced features
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Group 30 (Large Displacement, High Pressure)
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Parameter
|
Value
|
|
Displacement Range
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20–60 cm³/rev
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Pressure Rating
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≤250 bar
|
|
Speed Range
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500–2500 rpm
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Applications
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Agricultural machinery, heavy-duty vehicles, large flow systems
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Representative Models
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30A20X337H, 30C25X344H, 30A30X353H, 30C35X376H, 30A40X383HVU, 30C50X415H, 30A60X456HWU
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Example Specs (30A40X383HVU)
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Flow: 60.0 L/min @1500 rpm, Max Flow: 120.0 L/min, Max RPM: 2200, Size: A=95.0 mm, B=190.0 mm, Heavy cast iron construction, built-in safety valve
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Group 40 (Extra Large Displacement, High Pressure)
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Parameter
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Value
|
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Displacement Range
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46–60 cm³/rev
|
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Pressure Rating
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≤250 bar
|
|
Speed Range
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500–2200 rpm
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Applications
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Specialty vehicles, extra-large flow hydraulic systems
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Representative Models
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40A46X420H, 40C50X430H, 40A60X450H
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Features
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Ultra-heavy duty construction, designed for continuous high load operation
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Special Types of Caproni Gear Pumps
1. Tandem Pumps (Dual-Pump Units)
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Two pump bodies integrated on the same shaft
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Provide two different flow outputs simultaneously
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Ideal for systems requiring multiple independent hydraulic circuits
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Common configurations: 10+20 series, 20+30 series combinations
2. Pumps with Built-in Valves
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Integrated safety valves, unloading valves, or flow control valves
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Simplify system design by reducing external valve requirements
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Improve system reliability and reduce potential leakage points
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Common valve types: Pressure relief (10-250 bar adjustable), Unloading (for idle operation), Flow control (fixed or adjustable)
3. Reversible Pumps
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Can operate in both clockwise and counter-clockwise directions
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Designated by “R” in model code (e.g., 00R0.25X051)
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Suitable for systems requiring bidirectional fluid flow (e.g., lifting/lowering circuits)
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Same performance specifications in both rotation directions
4. Gear Motors
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Based on reverse operation principle of gear pumps
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Convert hydraulic energy into mechanical rotational energy
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Available in same displacement ranges as gear pumps (0.25–60 cm³/rev)
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Used in winches, conveyors, and other rotary motion applications
Model Naming Convention
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Component
|
Code
|
Description
|
|
Series
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00/10/20/20H/30/40
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Designates size, displacement range, and pressure rating
|
|
Rotation Direction
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A/C/R
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A=Counter-clockwise, C=Clockwise, R=Reversible
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Displacement
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Numerical value
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In cm³/rev (e.g., 0.25, 1.25, 10, 25, 40)
|
|
Modification Code
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X followed by digits
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Indicates different flange, shaft, and port configurations (e.g., X032, X073, X302)
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General Technical Specifications
|
Parameter
|
Specification
|
|
Working Medium
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Hydraulic oil, viscosity 16–200 mm²/s
|
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Filtration Requirement
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15–25 μm
|
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Fluid Temperature
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-20°C to +80°C
|
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Ambient Temperature
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-25°C to +55°C
|
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Inlet Pressure
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0.8–2.2 bar (absolute pressure)
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Connection Options
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Flanges (metric/DIN/SAE standards), shafts (keyed/tapered/splined), ports (G-thread/SAE thread)
|
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Construction Materials
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Aluminum housing (Groups 00/10/20), cast iron housing (Groups 20H/30/40), cast iron flange and cover
|
|
Gear Options
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Spur gears (standard), helical gears (low noise, higher efficiency at reduced speeds)
|
|
Efficiency
|
Volumetric: 80%–90%, Overall: 70%–85% (depending on load, speed, and clearances)
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Performance Calculation Formulas
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Flow Rate: Q = n × q × ηq (L/min) Where: n = speed (rpm), q = displacement (cm³/rev), ηq = volumetric efficiency
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Torque: M ≅ (q × p)/(20 × π) (N·m) Where: p = pressure (bar)
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Drive Power: P = (p × Q)/(600 × η) (kW) Where: η = overall efficiency
Common Series Variations
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“H” suffix: Indicates enhanced features (higher efficiency, different internal tolerances)
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X006 series: Standard group with moderate speed capability
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X192 series: Higher speed ratings (up to ~3500 rpm for some models)
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Larger displacements typically have reduced maximum pressure ratings (e.g., 36 cm³/rev model rated at 100 bar).
Caproni Gear Pumps
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.
