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Parker PGP365 Series gear pump

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Description

1. Product Overview

The Parker PGP365 series is a line of fixed-displacement hydraulic gear pumps engineered for exceptional reliability, high efficiency, and long service life in demanding mobile hydraulic systems. Constructed with rugged cast iron, these pumps deliver superior pressure capability and wear resistance, making them ideal for high-duty-cycle applications in the construction, forestry, oil & gas, and agricultural machinery markets. Available in standard, clutch, and tandem configurations, as well as multiple section designs, the PGP365 series offers flexible integration for both OEM and aftermarket hydraulic systems.

2. Technical Specifications

2.1 Core Performance Parameters

  • Displacement Range: 44.3 to 147.5 cm³/rev (2.7 to 9 in³/rev), corresponding to frame sizes 07 to 25
  • Maximum Continuous Pressure: Up to 241 bar (3,500 psi) for frame sizes 07-15; 224 bar (3,250 psi) for size 22; 207 bar (3,000 psi) for size 25
  • Maximum Speed: 2,400 rpm
  • Flow Range: Up to 93.5 gpm (354 lpm) per section
  • Volumetric Efficiency: Up to 98%
  • Fluid Temperature Range: -20°C to 80°C (0°F to 180°F)
  • Viscosity Range: 50 to 7,500 SUS
  • Maximum Radial Shaft Load: 662 kg (1,460 lbs)

2.2 Physical & Installation Specifications

  • Body Material: Cast iron
  • Approximate Weight: 24.3 kg (53.5 lbs) for size 07 to 32.2 kg (71 lbs) for size 25
  • Shaft Options: SAE C 1¼” spline or parallel keyed; SAE, ISO, DIN, and industry-specific shafts available
  • Mounting Options: SAE B/C 2 & 4-bolt; SAE, ISO, DIN mounting standards supported
  • Port Connections: SAE, ISO, NPT, BSPP, ODT; flange and straight-threaded port types with side and rear port locations
  • Rotation Direction: Clockwise (CW), counterclockwise (CCW), and bi-rotational models available

2.3 Fluid Compatibility

Compatible with standard hydraulic fluids, phosphate-ester fluids, water-glycol fluids, biodegradable fluids, and fire-resistant fluids.

3. Key Features & Benefits

  • Three-Piece Cast Iron Construction: Ensures structural durability and flexible distribution, capable of withstanding harsh operating environments and high-pressure conditions.
  • Balanced Thrust Plates: Minimize friction and internal leakage, enhancing volumetric efficiency and extending service life.
  • Journal Bearings: Provide excellent load-bearing capacity and wear resistance, supporting long-term reliable operation.
  • Multiple Configurations: Available as single, tandem, or multiple-section pumps, with cross-frame add-a-pump options to meet diverse system requirements.
  • Integrated Valve Capabilities: Optional load sense flow control, anti-cavitation check relief valves, priority flow control, and solenoid-unloaded relief valves for system optimization.
  • Broad Mounting & Shaft Compatibility: SAE, ISO, and DIN standards compliance enables easy integration into existing hydraulic systems.

4. Typical Applications

The PGP365 series is widely used in mobile hydraulic equipment, including but not limited to:
  • Construction machinery (cranes, dump trucks, excavators)
  • Forestry equipment
  • Oil & gas field equipment
  • Aerial lifts and access platforms
  • Tire trucks, low boy trailers, and live floor trailers
  • Salt and sand spreaders, snowplows
  • Agricultural machinery
  • Waste collection and sewage trucks

5. Spare Parts & Accessories

  • P365SK1: Single pump seal kit
  • P365SK2: Tandem pump seal kit
  • P365RK1: Repair kit (includes bushes and thrust plate)
  • Outboard bearings, Viton shaft & section seals
  • Piggyback port end cover, large single/dual bearing carriers
  • 465 upgrade kit (supports up to 4,500 psi operating pressure)

PGP gear pump parameter

 

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.