Rexroth AZPG 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 to 280 bar
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Displacement Range: 22.5 ~ 100 cm³/rev
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Sliding Bearing Design: Suitable for heavy-load operation
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Versatile Configuration: Available with various flanges, shafts, valve accessories and multi-pump combinations
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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AZPG
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Series identifier (high-performance external gear pump)
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2
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22
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Size code (22 refers to a minimum displacement of approximately 22.5 cm³/rev)
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3
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045
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Displacement code (45 refers to a displacement of approximately 45 cm³/rev)
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4
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R
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Rotation direction (R = Clockwise, L = Counterclockwise)
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5
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C
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Drive shaft type (e.g. C = 1:5 taper shaft, S = spline shaft, etc.)
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6
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B
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Front cover / flange type (e.g. B = square flange Ø105 mm, etc.)
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7
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20
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Port size / connection standard
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8
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MB
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Material / seal options
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“F” stands for double pump combination, “G” stands for triple pump combination, “FF” stands for four-pump combination
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Slash separates displacements of different pump units (e.g. 056/016 indicates two pump displacements of 56 cm³/rev and 16 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
|
Displacement Value
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Displacement Code
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Displacement Value
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022
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22.5
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040
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40.0
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063
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63.0
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025
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25.0
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045
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45.0
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071
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71.0
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028
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28.0
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050
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50.0
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080
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80.0
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032
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32.0
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056
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56.0
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090
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90.0
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036
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36.0
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060
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60.0
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100
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100.0
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4. Main Technical Parameters
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Parameter
|
Value
|
Remark
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Maximum Continuous Pressure
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250 bar
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Long-term operating pressure
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Maximum Intermittent Pressure
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280 bar
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Short-term peak pressure
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Maximum Speed
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2500~2800 rpm
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Slight differences by displacement
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Operating Temperature
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-20°C ~ +80°C
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Standard operating range
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Housing Material
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Aluminum Alloy
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Lightweight design
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Gear Material
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Alloy Steel
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Surface hardening treatment
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Bearing Type
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Sliding Bearing
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Suitable for heavy-load applications
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Rotation Direction
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Clockwise / Counterclockwise
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Optional
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Connection Type
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Flange / Thread
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Multiple port and flange options
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5. Common Model Examples
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AZPG-22-022RCB20MB (22.5 cm³/rev, clockwise, 1:5 taper shaft, square flange)
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AZPG-22-032LDC20KM (32 cm³/rev, counterclockwise, cylindrical shaft, rectangular flange)
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AZPG-22-056RDC15MB (56 cm³/rev, clockwise, spline shaft, threaded port)
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AZPGF-11-038/016LFB2020MB (Double pump combination, 38/16 cm³/rev)
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AZPGG-11-038/032RDC2020MB (Triple pump combination, 38/32 cm³/rev)
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AZPGFF-11-038/011/004RDC202020MB (Four-pump combination, 38/11/4 cm³/rev)
6. Application Fields
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Industrial Hydraulic Systems
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Construction Machinery
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Agricultural Machinery
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Marine Hydraulic Systems
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Machine Tool 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.
