Rexroth AZPF 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: 4.0~28 cm³/rev (10 standard specifications from 004 to 028)
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Pressure Rating: Continuous working pressure 250 bar, intermittent peak pressure 280 bar
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Structural Design: Sliding bearing design suitable for heavy-load applications; supports multi-pump combination (dual pump AZPFF, triple pump AZPFFF)
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Diversified Configurations: Multiple shaft types, flanges, port types and sealing options to meet diverse installation requirements
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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AZPF
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Advanced Zahnrad-Pumpe Flansch (External Gear Pump)
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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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004/005/008/011/014/016/019/022/025/028
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Unit: cm³/rev (e.g., 004=4 cm³/rev)
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Rotation Direction
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R/L/RRR
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R = Right-hand rotation (viewed from shaft end), L = Left-hand rotation, RRR = Bi-directional rotation
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Shaft Type
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C/R/H/O
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C = 1:5 Tapered shaft, R = Cylindrical key shaft, H = Spline shaft, O = Special shaft
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Flange Type
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B/N/P/K
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B = φ80mm rectangular flange, N = ISO flange, P = Special flange, K = Light-duty flange
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Port Configuration
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20/30/12
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20 = ISO 8434-1, 30 = Special configuration, 12 = SAE thread
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Sealing Material
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M/K/P
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M = NBR seal, K = FKM fluororubber seal, P = Special seal
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Pressure Grade
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B/M
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B = Standard pressure, M = High pressure grade
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Special Code
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-S0003
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Optional configuration (e.g., silent type, special installation)
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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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4.0, 5.0, 8.0, 11, 14, 16, 19, 22, 25, 28 cm³/rev
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10 standard specifications in total
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Pressure Parameters
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Continuous working pressure: 250 bar Intermittent peak pressure: 280 bar Short-term maximum peak pressure: 300 bar
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Standard bearing Series 1, reinforced bearing Series 2
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Speed Range
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500~4000 rpm Minimum stable speed: 1000 rpm (high-pressure working condition)
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Depends on fluid viscosity and pressure conditions
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Efficiency Index
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Volumetric efficiency: 90%~95% (≥92% under full load) Total efficiency: ≥85%
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Pressure-compensated clearance sealing technology
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Fluid Requirements
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Mineral hydraulic oil, viscosity: 10~300 mm²/s Recommended viscosity: 37~54 mm²/s
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Oil temperature: -15℃~+80℃ (short-term up to +100℃)
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Installation Options
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Shaft type: Cylindrical shaft, 1:5/1:8 tapered shaft, DIN 5482/SAE J744 spline shaft Flange: φ80mm rectangular flange, ISO 8434-1 flange, SAE 2-bolt flange Port type: DIN EN ISO 228-1 internal thread, flange connection
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Custom special configurations available
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Order Number
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0510 + 5-digit number (e.g., 0510425044)
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One-to-one correspondence with AZPF model
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4. Common Model & Order Number Comparison
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0510 Order Number
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Complete AZPF Model
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Core Parameters
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0510225023
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AZPF-11-004RAB01MB
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4 cm³/rev, right-hand rotation, cylindrical shaft, φ80 flange
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0510425009
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AZPF-11-008RCB20MB
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8 cm³/rev, right-hand rotation, tapered shaft, φ80 flange
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0510325016
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AZPF-11-005RQR20MB
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5 cm³/rev, right-hand rotation, special shaft type
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0510515347
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AZPF-11-011LFP20PB-S0003
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11 cm³/rev, left-hand rotation, spline shaft, light-duty flange, silent type
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0510725030
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AZPF-12-022RCB20KB
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22 cm³/rev, right-hand rotation, tapered shaft, φ80 flange, high-pressure type
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9510290114
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AZPF-22-028RRR12MB
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28 cm³/rev, bi-directional rotation, spline shaft, SAE flange
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5. Selection Guidelines
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Confirm Basic Parameters: Determine displacement, pressure grade, speed range and rotation direction
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Select Installation Configuration: Confirm shaft type (cylindrical/tapered/spline), flange type and port type
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Consider Working Environment: Select sealing material (NBR/FKM), confirm oil temperature range and medium type
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Special Requirements: Confirm multi-pump combination, silent type, high-pressure type and other customized demands.
AZP Series (AZPB/AZPF/AZPN/AZPG/AZPS/AZPT/AZPU/AZPJ)
General Introduction
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Working fluid: Mineral hydraulic oil ISO VG32/46/68
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Fluid viscosity: 10 ~ 1000 mm²/s
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Standard mounting: German standard B5 / B35 flange
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Shaft options: Parallel key shaft or involute spline shaft
Specifications of Sub-models
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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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Overall volumetric efficiency of the AZP series: ≥ 92% under rated working conditions. Clockwise or counter-clockwise rotation is customizable.
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.
