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Parker PGP502/PGM502 Gear Pump
PGP series gear pump：PGP315,PGP330,PGP350,PGP365,PGP502,PGP505,PGP511
PGP517,PGP610,PGP620,PGP640
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Description
Parker PGP502/PGM502 is the smallest model of the 500 Series heavy-duty aluminum external gear pump/motor, designed specifically for high-pressure working conditions. It offers a small displacement range of 0.8 to 7.9 cm³/rev, featuring high efficiency, low noise and high reliability, and is suitable for various industrial and mobile hydraulic application scenarios.
I. Product Overview
PGP502 (pump) and PGM502 (motor) adopt a pressure-balanced design and aluminum alloy housing. As the most compact model in Parker’s 500 Series, they can be configured as single or multiple pumps, supporting independent inlet or common inlet options, with excellent application flexibility.
II. Core Features and Advantages
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Features
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Detailed Description
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High Pressure Capacity
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Small displacement models (0.8-3.3 cm³/rev) have a continuous operating pressure of up to 280 bar and a maximum pressure rise rate of 3000 bar/s
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High Efficiency
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The pressure-balanced bearing block design ensures maximum efficiency under all operating conditions and reduces energy loss.
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Low Noise
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The 9-tooth gear profile and optimized flow distribution structure reduce pressure pulsation, achieving ultra-quiet operation.
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Compact Design
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With a minimum length of only 35.3 mm and a weight as light as 1.1 kg, it saves installation space.
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Various Configurations
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Supports SAE/rectangular mounting flanges, various shaft extension types (flat key/taper/flat tail) and port options.
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Wide Operating Condition Adaptability
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Speed range 500-5000 rpm, operating viscosity 20-1000 mm²/s, temperature range -40°C to +105°C (FKM seal)
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High Reliability
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High-strength materials and large journal diameter design reduce bearing load and extend service life.
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Good Self-priming Performance
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Minimum inlet pressure 0.5 bar (short-term no-load) ensures normal operation under various working conditions.
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III. Technical Specification Parameters
1. Displacement and Pressure Level
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Displacement Code
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Displacement (cm³/rev)
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Continuous Pressure (bar)
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Maximum Speed (rpm)
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0008
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0.8
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280
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5000
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0012
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1.2
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280
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5000
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0016
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1.6
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280
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4500
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0021
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2.1
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280
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4500
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0025
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2.5
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280
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4000
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0033
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3.3
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280
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4000
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0036
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3.6
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260
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4000
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0043
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4.3
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250
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3500
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0048
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4.8
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230
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3000
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0058
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5.8
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200
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3000
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0062
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6.2
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180
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3000
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0079
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7.9
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160
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3000
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2. Basic Parameters
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Pump Type: Pressure-balanced, aluminum housing, external gear pump
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Mounting Method: SAE, rectangular, through-bolt standard; customizable for special requirements
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Shaft Extension Type: Keyway, taper (1:8), cylindrical flat tail drive; customizable for special requirements
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Port Options: SAE and metric split flanges, D2 (#6, 9/16″-18 UNF) and D3 (#8, 3/4″-16 UNF) threaded ports
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Fluid Requirements: Hydraulic oil HLP, ISO, DIN 51524-2; Filtration level ISO 4406 Cl. 19/17/13
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Seal Options: NBR (-40°C to +80°C) or FKM (-20°C to +105°C)
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Rotation Direction: Clockwise (C), Counterclockwise (A) or Bidirectional (B)
IV. Multiple Pump Configuration
PGP502 can be combined with other 500 Series models (505/511/517) to form dual or triple pumps, supporting:
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Independent inlet configuration: Each gear housing has independent inlet and outlet
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Common inlet configuration: Two gear sets share a common inlet
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The maximum load is determined by the sum of the torque values of each pump section loaded simultaneously
V. Model Nomenclature
Example: PGP502A0012CP2D1NE2E2B1B1
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PGP: Gear pump type (PGM for motor)
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502: Series model
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A: Single pump unit (B for multiple units)
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0012: Displacement (1.2 cm³/rev)
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C: Clockwise rotation
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P2: Tapered shaft (1:8)
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D1: Rectangular mounting flange (52.2×72.0mm)
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N: NBR shaft seal
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E2/E2: Port options
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B1/B1: No rear port
VI. Typical Application Fields
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Industrial automation equipment
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Machine tool hydraulic systems
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Small construction machinery
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Agricultural machinery
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Material handling systems
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Medical equipment
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Aerospace auxiliary systems
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Test benches and laboratory equipment
VII. Installation and Maintenance Points
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Installation: Use a flexible coupling for direct drive, align the concentricity of the pump shaft and motor shaft (allowable deviation 0.1mm), and ensure that the pipeline does not bear the load of the pump body.
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Commissioning: Install a filter on the new pipeline (effective cross-section > 2-3 times that of the suction pipe), and cover all holes to prevent debris from entering.
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Maintenance: Regularly check the contamination degree of hydraulic oil, maintain according to ISO 4406 standard, and avoid idling and overload operation.
With its compact design, high pressure capacity and low noise characteristics, Parker PGP502/PGM502 has become an ideal choice for small-displacement hydraulic systems, providing excellent performance and reliability to meet the needs of various harsh working conditions.
| PGP315A0400CA1H1ND3D2B1B1 PGP502A0008AV1P1NB1B1E1B1 PGP502A0008CP2D1NE3E2B1B1 PGP502A0008CV2P3XE2E2B1B1 PGP502A0012AH1D1VE3E2B1B1 PGP502A0012AV1P1NB1B1E1B1 PGP502A0012CH1H1NE3E2B1B1 PGP502A0012CH1H1NE3E2B1B1 PGP502A0012CP2D1NE2E2B1B1 PGP502A0012CP2D1NE3E2B1B1 PGP502A0012CP2D1NE3E2B1B1 PGP502A0012CV2P3XD3D3B1B1 PGP502A0012CV2P3XE2E2B1B1 PGP502A0012CV2P3XE3E2B1B1 PGP502A0012CV2P3XJ4J3B1B1 PGP502A0012CV2P4NE2E2B1B1 PGP502A0016AV1P1NB1B1E1B1 PGP502A0016CP2D1NE3E2B1B1 PGP502A0021AV1P1NB1B1E1B1 PGP502A0021CP2D1NE2E2B1B1 PGP502A0021CP2D1NE3E2B1B1 PGP502A0021CV1D1NE2E2B1B1 PGP502A0021CV2P3XE2E2B1B1 PGP502A0033CP2D1NE3E2B1B1 PGP502A0043CV2P3XE3E2B1B1 |
PGP502A0058CH1H1NE2E2B1B1 PGP502A0058CH1H1NE3E2B1B1 PGP502A0079CP2D1NJ4J3B1B1 PGP503A0021CP2D1NJ2J1 PGP505A0030CJ1H1NE5E3B1B1 PGP505A0040CQ2D2NE5E3B1B1 PGP505A0060AS1D1NJ3J2B1B1 PGP505A0060CA1H2NE5E3B1B1 PGP505A0060CK1H2NE5E3B1B1 PGP505A0080CK1H2NE5E3B1B1 PGP505A0080CP2D1NJ4J3B1B1 PGP505A0100CS2D2VE4E3B1B1 PGP505A0120CK1H1ND5D4B1B1 PGP505A0120CK1H2ND5D4B1B1 PGP505A0120CK1H2NE5E3B1B1 PGP505A0120CK1H2NE5E3B1B1 PGP505A0120CK7D2NE5E3RJAT PGP511A0040CK1H2NC7C7B1B1 PGP511A0040CS2D3NL1L1B1B1 PGP511A0060CL6H2NJ7J5B1B1 PGP511A0060CS1D4NE5E3B1B1 PGP511A0060CS1D4NJ7J5B1B1 PGP511A0070CA1H2NL1L1B1B1 PGP511A0080CA1H2NL1L1B1B1 PGP511A0080CS1D4NJ7J5B1B1 |
PGP511A0080CS4D3NJ7J5B1B1 PGP511A0100AS2D3NE5E3B1B1 PGP511A0100AS2D3NL2L1B1B1 PGP511A0100AS2D9NL2L1B1B1 PGP511A0100AS2J6MD5B1B1D3 PGP511A0110CA1H2NE5E3B1B1 PGP511A0110CS1D4NJ7J5B1B1 PGP511A0140CA1H2NE5E3B1B1 PGP511A0140CK1H2NE5E3B1B1 PGP511A0140CL6H2NE6E5B1B1 PGP511A0140CS4D3NE5E3B1B1 PGP511A0140CS4D3VL2L2B1B1 PGP511A0160AS1Q4NJ7J5B1B1 PGP511A0160CK1H2NE6E5B1B1 PGP511A0170AJ5D3NE5E3B1B1 PGP511A0190CK1H2NE5E3B1B1 PGP511A0190CL6H2ND5D4B1B1 PGP511A0230AA1H2NJ9J8B1B1 PGP511A0230CA1H2NB1B1D5D4 PGP511A0230CA1H2ND5D4B1B1 PGP511A0230CC1H2NE6E5B1B1 PGP511A0230CL6H2NE6E5B1B1 PGP511A0250CS2D3VE5E3B1B1 PGP511A0270AA1H2ME7E5B1B1 PGP511A0270CL6H2NE5E3B1B1 |
PGP511A0270CS2D3NE6E5B1B1 PGP511M0040CL6H2ND4D3B1B1 PGP511M0110CS2D3NL2L1B1B1 PGP511M0110CS2D3NL2L1B1B1 PGP517A0230CD1H3NP4P3B1B PGP517A0380CT1D7NE7E6B1B1 PGP517A0420CS1H2NE5E3B1B1 PGP517A0440CM2H3NE7E5B1B1 PGP517A0500AC2H2VF6F5B1B1 PGP517A0520CD1H3NL3L2B1B1 PGP517A0520CT1D7NL3L2B1B1 PGP517A0700CS2D3VE5E3B1B1 PGP517B0330AD1H3NP4E5S PGP517B0330AD1H3NP4E5S PGP517B0330AD1H3NP4P2S517A PGP517B0330CD1H3NL3L2S PGP517B0330CD1H3NP4P2C PGP610A0500CS1H2NE5E3B1B1 PGP620A0410BM3A4VE7E7B1B1G4 PGP620A0410BM3A4VE7E7B1B1G4 PGP620A1000AC2H2VF6F5B1B1 PGP620B0410CE1H3MS6D5C PGP640A0600CD1H3NT5E6B1B1 PGP640A0600CD1H3NT5E6B1B1 PGP640A1500CS2D3VE5E3B1B1 |
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Shipping & Delivery
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.
