Rexroth AZPT 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
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Continuous Working Pressure: Up to 250 bar
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Intermittent Working Pressure: Up to280 bar
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Displacement Range: 20 ~ 36 cm³/rev
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Ultra-low Noise Design: Optimized silent tooth profile, minimal pressure pulsation and vibration
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Heavy-duty Sliding Bearing System: Adapt to long-term continuous high-load cyclic operation
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High-rigidity Integrated Housing: Reduce structural vibration and improve operational stability
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Modular Combination Design: Support multi-pump tandem assembly for complex multi-circuit hydraulic systems
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Standardized Interface: Comply with universal ISO/SAE installation and connection standards
2. Model Naming Rules
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Position
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Code
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Meaning
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1
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AZPT
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Series identifier (Ultra-low noise high-performance external gear pump, Platform N)
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2
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11/12
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Grade code (11=standard version; 12=enhanced wear-resistant & anti-corrosion version)
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3
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020
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Displacement code (020 refers to a displacement of approximately 20 cm³/rev)
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4
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R/L
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Rotation direction (R = Clockwise, L = Counterclockwise, viewed from shaft extension end)
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5
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C/R/H
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Drive shaft type (C = 1:5 taper shaft, R = cylindrical key shaft, H = spline shaft)
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6
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B/N/P
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Front cover / flange type (B = standard square flange, N = ISO standard flange, P = customized special flange)
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7
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20/12
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Port specification & connection standard (threaded/SAE flange port standard)
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8
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MB
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Material & sealing configuration options (standard/high-temperature/low-temperature sealing sets)
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“F” stands for double pump combination, “G” stands for triple pump combination for multi-circuit hydraulic systems
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Slash separates displacements of different pump units (e.g. 032/020 indicates two pump displacements of 32 cm³/rev and 20 cm³/rev respectively)
3. Displacement Specification Table
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Displacement Code
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Displacement Value
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Displacement Code
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Displacement Value
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Displacement Code
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Displacement Value
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020
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20.0
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026
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26.0
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032
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32.0
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022
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22.5
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028
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28.0
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036
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36.0
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024
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24.0
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030
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30.0
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–
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–
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4. Main Technical Parameters
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Parameter
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Value
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Remark
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Maximum Continuous Pressure
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250 bar
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Long-term stable operating pressure
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Maximum Intermittent Pressure
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280 bar
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Short-term peak pressure tolerance
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Maximum Speed
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2800 rpm
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Stable speed range for medium-displacement models
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Operating Temperature
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-20°C ~ +80°C
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Standard hydraulic oil operating range
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Housing Material
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High-strength Aluminum Alloy
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Lightweight, high rigidity and shock resistance
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Gear Material
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Alloy Steel
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Precision grinding & integral surface hardening treatment
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Bearing Type
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Heavy-duty Sliding Bearing
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Anti-fatigue, suitable for long-cycle continuous operation
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Rotation Direction
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Clockwise / Counterclockwise
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Optional on request
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Noise Performance
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Ultra-low Noise
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Silent tooth profile design, lower noise than conventional gear pumps
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Connection Type
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Flange / Thread
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Multiple standard port & flange options
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5. Common Model Examples
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AZPT-11-020RCB20MB (20.0 cm³/rev, clockwise, 1:5 taper shaft, standard square flange)
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AZPT-11-022LDB20MB (22.5 cm³/rev, counterclockwise, cylindrical key shaft, standard flange)
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AZPT-11-028RCB20MB (28.0 cm³/rev, clockwise, taper shaft, threaded port)
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AZPT-11-036RHB20MB (36.0 cm³/rev, clockwise, spline shaft, heavy-duty flange)
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AZPTF-11-032/020RDB2020MB (Double pump combination, 32/20 cm³/rev)
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AZPTG-11-028/022RCB2020MB (Triple pump combination, 28/22.5 cm³/rev)
6. Application Fields
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Ultra-low Noise Industrial Hydraulic Systems
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High-precision Machine Tool Hydraulic Equipment
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High-end Automation & Packaging Machinery
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Medium-duty Construction & Special Engineering Machinery
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Medical, Environmental Protection & Indoor Silent Hydraulic Equipment
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Marine Low-noise Auxiliary Hydraulic Systems.
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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.
