Nachi Gear Pump Series Catalog
[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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Overview
1. IPH Series Internal Gear Pumps (IP Pumps)
Key Features
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Displacement range: 3.6 to 125.9 cm³/rev (0.22 to 7.68 in³/rev)
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Rated pressure: 25 MPa (3625 psi)
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Peak pressure: 30 MPa (4350 psi)
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Speed range: 600 to 2000 rpm (standard); up to 3000 rpm for some models
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Rotation: Clockwise (standard), counterclockwise available on request
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Mounting: Flange mounting (installation compatible with previous designs)
Model Nomenclature
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X: Frame size (2, 3, 4, 5, 6)
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A/B: Design variant (A: standard, B: alternative)
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Y: Displacement (cm³/rev)
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Z: Pressure rating (11: 11 MPa, 20/21: 21 MPa)
Subseries & Displacement Options
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Frame Size
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Model Range
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Displacement (cm³/rev)
|
|
IPH-2
|
IPH-2A/2B
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3.5, 5, 6.5, 8
|
|
IPH-3
|
IPH-3A/3B
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10, 13.3, 16
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|
IPH-4
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IPH-4A/4B
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20.7, 25.7, 32
|
|
IPH-5
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IPH-5A/5B
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40.8, 50.3, 64
|
|
IPH-6
|
IPH-6A/6B
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81.3, 101.6, 125.9
|
Special Configurations
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Single Pumps: Standard configuration with various shaft options (straight, tapered, keyed)
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Double Pumps (IPH-XXB): Two pumps in one housing for multiple circuit applications
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Examples: IPH-22B (2+2), IPH-34B (3+4), IPH-56B (5+6)
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Combined displacement: 7.0 to 251.8 cm³/rev
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Special Options: Long shaft (L), long shaft with through hole (LT), and “G” suffix for specific mounting requirements
2. NASGP Series External Gear Pumps
Key Features
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Displacement range: 8 to 30 cm³/rev (0.49 to 1.83 in³/rev)
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Rated pressure: 21 MPa (3045 psi)
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Speed range: Up to 3000 rpm
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Port options: SAE O-ring, threaded, or elbow ported
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Shaft options: Tapered (standard), straight, keyed
Model Nomenclature
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X: Design number (300)
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Y: Displacement (8, 10.5, 15, 19, 23, 30)
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Z: Pressure rating (1: 10 MPa, 8: 21 MPa)
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W: Rotation (2: clockwise, 3: counterclockwise)
3. G/GP/GM Series External Gear Pumps
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Series
|
Key Features
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Displacement Range
|
Pressure Rating
|
Applications
|
|
G Series
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Compact, lightweight, cost-effective
|
1-25 cm³/rev
|
21 MPa (3045 psi)
|
Small machine tools, material handling equipment
|
|
GP Series
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High-pressure capability, heavy-duty
|
5-50 cm³/rev
|
25 MPa (3625 psi) peak
|
Injection molding machines, construction machinery
|
|
GM Series
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Large flow capacity
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100-200 cm³/rev
|
21 MPa (3045 psi)
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Large industrial hydraulic systems, heavy equipment
|
4. Technical Specifications Comparison
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Parameter
|
IPH Series
|
NASGP Series
|
G/GP/GM Series
|
|
Type
|
Internal gear
|
External gear
|
External gear
|
|
Max Pressure
|
30 MPa (4350 psi)
|
21 MPa (3045 psi)
|
21-25 MPa (3045-3625 psi)
|
|
Displacement
|
3.6-125.9 cm³/rev
|
8-30 cm³/rev
|
1-200 cm³/rev
|
|
Speed Range
|
600-2000 rpm
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Up to 3000 rpm
|
600-3000 rpm
|
|
Noise Level
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Very low (patented design)
|
Low
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Medium
|
|
Efficiency
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High (up to 95%)
|
High (up to 90%)
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Medium-High
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|
Mounting
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Flange
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Flange/foot
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Flange/foot
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5. Common Applications
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Machine tools: CNC machines, grinding machines, lathes
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Plastics industry: Injection molding machines, extrusion lines
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Construction equipment: Excavators, loaders, cranes
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Industrial automation: Hydraulic presses, material handling systems
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Mobile hydraulics: Agricultural machinery, forestry equipment
6. Ordering & Technical Support
nachi Gear Pump Series Catalog
Complete products, original authentic products, fast delivery!Welcome to consult.
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.
