PD series Medium Pressure Industrial Pumps
The Parker PD Series pump offers variable displacement axial piston pumps for open-circuit applications. Featuring a compact footprint and continuous operating pressure of up to 4,060 psi, PD piston pumps provide quiet operation and efficient control.
The specifications of the Parker PD Series medium-pressure industrial pumps are as follows:
I. Displacement and Models
Displacement range: 18 cc/rev to 140 cc/rev. Specific models include:
PD018 (18 cc/rev)
PD028 (28 cc/rev)
PD045 (45 cc/rev)
PD060 (60 cc/rev)
PD075 (75 cc/rev)
PD100 (100 cc/rev)
PD140 (140 cc/rev)
Modular design: Flexible combinations are available to meet different flow requirements.
II. Pressure Specifications
Continuous operating pressure: 280 bar (4060 psi), suitable for long-term stable operation.
Peak pressure: Some models can reach higher pressures under short-term overload or special operating conditions (depending on the model).
III. Speed and Performance
Speed range: 600-1800 rpm, with some models supporting higher speeds. Efficiency:
Volumetric efficiency: As high as 93%-95% due to the continuous sealing line (surface) of the piston pump’s working volume.
Mechanical efficiency: Due to the excellent lubrication conditions between the moving parts, mechanical efficiency is also high.
Overall efficiency: Near the rated operating point, the overall efficiency can reach 91%-93%.
IV. Typical Application Scenarios
Industrial Automation: Suitable for robots, clamping devices, etc., to achieve high-precision control.
Machine Tools: Provide stable power output and improve machining accuracy.
Metallurgical Equipment: Used in presses, conveyors, etc., to enhance production efficiency.
Shipbuilding Industry: Suitable for hydraulic systems such as steering gear and anchor winches, ensuring navigation safety.
Energy: Provides reliable power support in power plants and other applications.
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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.
