Rexroth AZPN Series External Gear Pumps
Rexroth Gear Pump：AZPB/ AZPF/ AZPN/ AZPG/ AZPS/ AZPT/ AZPU/ AZPJ/ 1PF2G/ PGF/ PGH/ PGM…
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1. Series Overview
Core Features
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Displacement Range: 2.5~25 cm³/rev (multiple standard specifications covering conventional medium and small flow requirements)
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Pressure Rating: Standard continuous working pressure 210 bar, intermittent peak pressure 230 bar
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Structural Design: Rolling bearing configuration, stable operation, low friction loss; supports multi-pump combination (dual pump AZPNN, triple pump AZPNNN)
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Cost-Effective Configuration: Standardized flange, shaft end and oil port design, rich optional sealing and installation forms, easy for universal matching of general hydraulic equipment
2. Complete Model Coding Rules
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Field
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Example
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Description
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Series Code
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AZPN
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Standard external gear pump of Platform N
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Frame Size
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10/11/12
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10 = small displacement, 11 = medium displacement, 12 = large displacement
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Theoretical Displacement
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002/003/005/006/008/011/014/018/022/025
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Unit: cm³/rev (e.g., 005=5 cm³/rev)
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Rotation Direction
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R/L
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R = Right-hand rotation (viewed from shaft end), L = Left-hand rotation
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Shaft Type
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C/R/H
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C = 1:5 Tapered shaft, R = Cylindrical key shaft, H = Spline shaft
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Flange Type
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B/N/K
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B = φ80mm rectangular flange, N = ISO standard flange, K = Light-duty flange
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Port Configuration
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20/12
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20 = ISO 8434-1 standard port, 12 = SAE thread port
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Sealing Material
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M/K
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M = NBR standard seal, K = FKM fluororubber high-temperature seal
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Pressure Grade
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B
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B = Standard pressure grade (universal for Platform N)
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Special Code
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-S000X
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Special customized configuration (silent type, special installation, etc.)
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3. Complete Specification Parameter Table
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Parameter Category
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Technical Specification
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Remarks
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Displacement Range
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2.5, 3.0, 5.0, 6.0, 8.0, 11, 14, 18, 22, 25 cm³/rev
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10 standard specifications in total
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Pressure Parameters
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Continuous working pressure: 210 bar Intermittent peak pressure: 230 bar Short-term maximum instantaneous pressure: 250 bar
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Suitable for medium-pressure general industrial working conditions
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Speed Range
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600~3800 rpm Minimum stable speed: 800 rpm (rated pressure working condition)
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Adjustable according to fluid viscosity and actual load
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Efficiency Index
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Volumetric efficiency: 88%~93% (≥90% under full load) Total efficiency: ≥82%
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Floating bushing gap compensation technology
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Fluid Requirements
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Mineral hydraulic oil, viscosity: 15~320 mm²/s Recommended viscosity: 40~60 mm²/s
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Oil temperature: -20℃~+80℃ (short-term up to +95℃)
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Installation Options
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Shaft type: Cylindrical key shaft, 1:5 tapered shaft, DIN standard spline shaft Flange: φ80mm rectangular flange, ISO standard flange, light-duty flange Port type: ISO internal thread, SAE thread, flange connection
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Supports customized installation configurations
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Order Number
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0510 + 5-digit standard order number
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One-to-one correspondence with AZPN model
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4. Common Model & Order Number Comparison
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0510 Order Number
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Complete AZPN Model
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Core Parameters
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0510175001
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AZPN-10-003RCB20MB
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3 cm³/rev, right-hand rotation, tapered shaft, φ80 flange, standard seal
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0510185002
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AZPN-11-005RAB20MB
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5 cm³/rev, right-hand rotation, cylindrical shaft, φ80 flange
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0510205005
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AZPN-11-008RCB20MB
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8 cm³/rev, right-hand rotation, tapered shaft, standard pressure
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0510225008
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AZPN-11-011LKB20KB
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11 cm³/rev, left-hand rotation, high-temperature FKM seal
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0510255012
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AZPN-12-018RCB20MB
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18 cm³/rev, right-hand rotation, large displacement frame
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0510285015
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AZPN-12-025RCB12MB
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25 cm³/rev, right-hand rotation, SAE thread port
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5. Selection Guidelines
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Confirm Basic Parameters: Determine required displacement, working pressure, rated speed and shaft rotation direction according to system flow and pressure requirements
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Select Installation Configuration: Match shaft type (cylindrical/tapered/spline), flange size and oil port form according to motor installation interface and pipeline layout
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Adapt to Working Conditions: Select NBR standard seal for conventional normal temperature environment; select FKM fluororubber seal for high-temperature or special medium working conditions
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Special Configuration Confirmation: Confirm multi-pump combined assembly, silent optimization and other customized special requirements
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Model
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Rated Pressure
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Peak Pressure
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Displacement Range (ml/r)
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Allowable Speed (r/min)
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Key Features & Applications
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AZPB
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21 MPa
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25 MPa
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1.6 ~ 40
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500 ~ 3600
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General basic model with side inlet & outlet ports. Application: Ordinary machine tools, small hydraulic power units, general-purpose machinery
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AZPF
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25 MPa
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30 MPa
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1.6 ~ 63
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500 ~ 3800
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Best-selling model with dual clearance compensation and low noise. Application: Injection molding machines, forklifts, automated production lines, construction machinery
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AZPN
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20 MPa
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24 MPa
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2.5 ~ 50
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500 ~ 3400
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Cost-effective medium-pressure model with lightweight design. Application: Agricultural machinery, light industrial equipment, low-pressure hydraulic systems
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AZPG
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28 MPa
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33 MPa
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2.0 ~ 40
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600 ~ 3500
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Reinforced high-pressure version with thickened housing and high impact resistance. Application: Heavy-duty machine tools, auxiliary metallurgical equipment, small construction machinery
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AZPS
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21 MPa
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25 MPa
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1.6 ~ 32
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500 ~ 3600
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Low-noise & low-flow pulsation design with special gear profile. Application: Precision machine tools, indoor quiet operating equipment, laboratory hydraulic units
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AZPT
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25 MPa
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30 MPa
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2.5 ~ 50
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500 ~ 3700
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High-temperature resistant seals; operating temperature: -20℃ ~ +100℃. Application: Heat treatment equipment, outdoor machinery working under high temperature
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AZPU
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21 MPa
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25 MPa
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1.6 ~ 40
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500 ~ 3600
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Modular design for combined double/triple pump assembly. Application: Multi-circuit hydraulic systems, multi-function on-board equipment
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AZPJ
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16 MPa
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20 MPa
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0.8 ~ 16
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600 ~ 4000
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Mini low-displacement model with ultra-compact size and high speed capability. Application: Mini hydraulic power units, tooling fixtures, instrumentation equipment
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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.
