Danfoss Gear Pump Series Complete Range
[Gear pump]: Rexroth gear pump | Parker gear pump | Nachi gear pump | Marzocchi gear pump | Sumitomo gear pump | Danfoss gear pump | Salami gear pump | Vivoil gear pump | Casappa gear pump | Caproni gear pump | Bucher gear pump | Hesper gear pump | Hydac gear pump | Roquet gear pump | Bondioli gear pump | Jihostroj gear pump | Duplomatic gear pump | Metaris gear pump | Atos gear pump | Kracht gear pump | Brevini gear pump | Ronzio gear pump | Commercial gear pump
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1. Core Product Series Overview
1.1 GearMe Series (Formerly Turolla SNP/SEP Series)
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Model Group
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Displacement Range
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Rated Pressure
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Peak Pressure
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Max Speed
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Key Applications
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SNP1NN
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1.2–12 cm³/rev (0.07–0.73 in³/rev)
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250 bar (3,626 psi)
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280 bar (4,061 psi)
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5,000 rpm
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Precision control systems, auxiliary functions
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SNP2NN
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3.9–25.2 cm³/rev (0.24–1.54 in³/rev)
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250 bar (3,626 psi)
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280 bar (4,061 psi)
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4,500 rpm
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General purpose, medium-flow hydraulic systems
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SNP3NN
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22–88.2 cm³/rev (1.34–5.38 in³/rev)
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250 bar (3,626 psi)
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280 bar (4,061 psi)
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4,000 rpm
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Heavy-duty mobile and industrial applications
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High-strength aluminum alloy housing with integral gear shafts
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Teflon-coated bushings for reduced friction and wear
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Bi-directional pressure-balanced thrust plates for improved efficiency
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Volumetric efficiency up to 95% at rated conditions
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Multiple port configurations (SNP: standard, SNB: inlet on cover/outlet on flange, SNC: both ports on rear cover)
1.2 Rugid Series (Heavy-Duty High-Pressure)
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Version
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Displacement Range
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Rated Pressure
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Peak Pressure
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Max Speed
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Aluminum
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10–63 cm³/rev (0.61–3.84 in³/rev)
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250 bar (3,626 psi)
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310 bar (4,496 psi)
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4,000 rpm
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Cast Iron
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19–90 cm³/rev (1.16–5.49 in³/rev)
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276 bar (4,000 psi)
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350 bar (5,076 psi)
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3,600 rpm
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20% more compact than conventional heavy-duty pumps
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Dual pressure-balanced thrust plates for high reliability
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High-temperature fluoroelastomer seals (-20°C to 115°C)
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Ideal for mining, heavy construction, and high-pressure industrial hydraulic power units
1.3 Lumi Series (Standard Aluminum, Cost-Effective)
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Displacement: 1.2–50 cm³/rev (0.07–3.05 in³/rev)
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Pressure Rating: 210 bar (3,046 psi) continuous, 250 bar (3,626 psi) peak
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Speed Range: 500–4,500 rpm
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Key Features:
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Optimized gear profile for reduced noise (10 dB(A) lower than standard pumps)
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Multiple mounting flange and shaft options
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Suitable for agricultural machinery, material handling equipment, and light industrial systems
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1.4 Shark Series (Ultra-Low Noise)
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Displacement: 5–40 cm³/rev (0.30–2.44 in³/rev)
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Pressure Rating: 210 bar (3,046 psi) continuous
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Key Features:
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Multi-tooth asymmetric profile modification for ultra-low noise emissions
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Electric motor-friendly design for hybrid systems
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Smooth flow with minimal pulsation (≤3% flow pulsation rate)
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1.5 Group 0 & Group 1 Small Gear Pumps
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Model
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Displacement Options
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Pressure Rating
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Speed Range
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TFP0NN
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0.25, 0.45, 0.57, 0.76, 0.8 cm³/rev
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160 bar (2,321 psi)
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1,500–6,000 rpm
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TFR0NN
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Reversible version of TFP0NN
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160 bar (2,321 psi)
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1,500–6,000 rpm
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SKP1NN
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High-torque small gear pump
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210 bar (3,046 psi)
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500–5,000 rpm
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2. Technical Specifications (General)
2.1 Performance Parameters
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Parameter
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Range
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Unit
|
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Displacement
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0.25–90
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cm³/rev (0.015–5.49 in³/rev)
|
|
Continuous Pressure
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160–276
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bar (2,321–4,000 psi)
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Peak Pressure
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220–350
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bar (3,191–5,076 psi)
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|
Speed Range
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500–6,000
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rpm (depending on model)
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Temperature Range
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-20 to 115
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°C (-4 to 239 °F)
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Viscosity Range
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10–1,600
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mm²/s (60–7,273 SUS)
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Volumetric Efficiency
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Up to 95
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% at rated conditions
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2.2 Construction Materials
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Housing: High-strength aluminum alloy (standard) or cast iron (heavy-duty)
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Gears: Case-hardened alloy steel with precision ground teeth
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Shafts: Through-hardened alloy steel with integral gear design
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Bushings: Teflon-coated or bronze for wear resistance
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Seals: Nitrile rubber (standard) or fluoroelastomer (high-temperature)
2.3 Mounting & Connection Options
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Flange Mounting: SAE A, B, C, D, and ISO standards
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Shaft Options: Straight, tapered (1:8), splined, with keyway or without
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Port Configurations: Inline, side-by-side, rear cover ports
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Thread Types: BSP, NPT, metric, and SAE standards
3. Model Nomenclature (Example: SNP2NN/019RN06SAP17E6E5)
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Code
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Description
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SNP2NN
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Series identifier (SNP: standard, 2: medium size, NN: standard version)
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019
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Displacement (19 cm³/rev)
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R
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Rotation direction (R: clockwise, L: counterclockwise)
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N
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Version code
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06
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Mounting flange code
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SAP17
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Shaft end code (SAE A flange, 1:8 taper)
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E6E5
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Port configuration code (side inlet/outlet, BSP threads)
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4. Application Areas
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Mobile Hydraulics: Construction machinery, agricultural equipment, material handling vehicles, forestry machinery
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Industrial Hydraulics: Machine tools, plastic injection molding, presses, automated production lines
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Special Applications: Marine systems, renewable energy equipment, oil & gas industry, mining machinery
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Electric/Hybrid Systems: Compatible with electric motors for hybrid vehicle applications.
Danfoss Gear Pump Series Catalog
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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.
