Casappa Gear Pump Series Complete Catalog
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1. Product Classification Overview
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Pump Series
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Size Group
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Construction
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Key Features
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WS/PLP Light Series
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10, 20, 30
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Aluminum alloy housing
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Lightweight, low noise, high efficiency, compact structure
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KP Heavy-Duty Series
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20, 25, 30, 35, 40
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Ductile cast iron housing
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High rigidity, impact resistance, ultra-high pressure resistance
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Multiple Gear Pumps
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Combined arbitrary groups
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Aluminum / Cast iron optional
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2–4 stage combination, multi-flow output, strong adaptability
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Reversible Gear Pumps
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10, 20, 30
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Aluminum alloy housing
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Bidirectional rotation without structural modification
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2. Complete Series Specifications (By Group)
2.1 WS/PLP Aluminum Lightweight Series (Standard Industrial)
Group 10 (Micro Small-Size)
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Displacement: 1.07–6.3 cm³/rev (0.07–0.38 in³/rev)
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Max Continuous Pressure: 250 bar (3625 psi)
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Max Peak Pressure: 300 bar (4350 psi)
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Max Speed: 4000 rpm
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Key Models: PLP10.5S0, PLP10.6.3D0, WSP10 series
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Options: Nitrile/Viton seals, multi-standard flanges (SAE/EURO), double shaft extension
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Applications: Precision lubrication systems, micro power units, medical equipment, small automation machinery
Group 20 (Medium Universal Size)
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Displacement: 8.06–34.98 cm³/rev (0.49–2.13 in³/rev)
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Max Continuous Pressure: 280 bar (4060 psi)
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Max Peak Pressure: 300 bar (4350 psi)
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Max Speed: 3500 rpm (3000 rpm for large displacement models)
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Key Models: PLP20.8D0, PLP20.14S0, WSP20 series
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Options: Anti-cavitation valves, pressure relief valves, cast iron reinforced end covers
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Applications: Forklifts, agricultural machinery, machine tools, aerial work platforms, general industrial hydraulic units
Group 30 (Large Flow Light-Duty)
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Displacement: 35–91.10 cm³/rev (2.14–5.56 in³/rev)
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Max Continuous Pressure: 250 bar (3625 psi)
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Max Peak Pressure: 280 bar (4060 psi)
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Max Speed: 3000 rpm (2500 rpm for maximum displacement)
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Key Models: PLP30.61, PLP30.73, WSP30 series
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Options: Multiple port configurations, outboard reinforced bearings, high-temperature resistant seals
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Applications: Medium-sized construction machinery, industrial presses, material handling equipment
2.2 KP Cast Iron Heavy-Duty Series (High-Pressure Resistant)
Group 20/25 (Small Heavy-Duty)
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Displacement: 4.95–25 cm³/rev (0.30–1.52 in³/rev)
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Max Continuous Pressure: 280 bar (4060 psi)
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Max Peak Pressure: 330 bar (4785 psi)
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Max Speed: 4000 rpm
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Key Models: KP20.11.2D0, KP25 series
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Options: Low-temperature resistant configuration, special shaft seals, customized port positions
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Applications: High-precision industrial equipment, heavy-duty automotive hydraulic systems, mining auxiliary machinery
Group 30/35/40 (Large Heavy-Duty)
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Displacement: 25–180.73 cm³/rev (1.52–11.03 in³/rev)
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Max Continuous Pressure: 300 bar (4350 psi)
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Max Peak Pressure: 330 bar (4785 psi)
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Max Speed: 3200 rpm (2800 rpm for ultra-large displacement)
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Key Models: KP30.24, KP30.27, KP35, KP40 series
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Options: Integrated multi-valve groups, heavy-duty bearing components, marine anti-corrosion configuration
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Applications: Large earth-moving machinery, mining equipment, marine hydraulic systems, heavy industrial presses
2.3 Multiple Gear Pumps Series
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Configuration: 2–4 stage combined structure, supports mixed assembly of 10/20/30 different size groups
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Displacement Range: 1.07–180.73 cm³/rev (per stage)
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Max Pressure: Up to 330 bar (depends on the matching stage combination)
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Key Features:
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Integrated reinforced bearings for high structural rigidity and stable operation
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Optional integrated anti-cavitation, pressure relief and priority valves
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Dual material options: full aluminum lightweight type and cast iron heavy-duty type
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Applications: Complex hydraulic systems with multi-flow and multi-pressure requirements, multi-functional construction and agricultural machinery
3. Model Nomenclature Explanation
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KP/PLP/WSP: Series code (KP=cast iron heavy-duty, PLP/WSP=aluminum lightweight)
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30: Size group (10/20/25/30/35/40)
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24: Displacement code (corresponds to specific cm³/rev displacement)
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33S3: Shaft & structural configuration code
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LMDMB: Flange, port and installation form code
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45: Rotation direction & assembly tolerance code
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HSC: Seal type & working condition configuration
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PLP2: Auxiliary pump combination code (for multi-stage pumps)
4. General Technical Features
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Feature
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Description
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Construction Material
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Light series: High-strength aluminum alloy; Heavy series: Ductile cast iron; Gears: High-precision alloy steel
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Seal Options
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Standard: Nitrile rubber (NBR); Optional: Viton (FKM) for high temperature and chemical corrosion resistance
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Bearing System
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Built-in shaft end support bearings, optional outboard reinforced bearings for heavy-load continuous operation
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Rotation Mode
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Unidirectional fixed rotation / Reversible bidirectional rotation (optional)
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Mounting Standard
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Compatible with SAE, DIN, European standard flanges, optional foot mounting and custom installation
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Shaft Configuration
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Keyed shaft, tapered shaft 1:8, splined shaft, double shaft extension optional
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Working Temperature
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-15°C to +80°C (standard); -30°C to +120°C (high/low temperature customized version)
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Hydraulic Oil Viscosity
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10–1000 mm²/s, suitable for most industrial hydraulic oils
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Certification
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ISO 9001 certified, CE marked, fully Italian manufactured and tested
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5. Overall Performance Summary
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Full Displacement Range: 1.07–180.73 cm³/rev (0.07–11.03 in³/rev)
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Max Working Pressure: 300 bar (4350 psi) continuous, 330 bar (4785 psi) peak
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Max Rotating Speed: Up to 4000 rpm (small-size light series)
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Core Advantages: Low noise, high volumetric efficiency, strong impact resistance, full customization, no minimum order quantity
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Applicable Scenarios: Full coverage of industrial, mobile, agricultural, construction, marine and mining hydraulic systems.
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.
