Parker PGP315 Series gear pump
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Parker PGP315 Series Gear Pump Specifications
1. Product Overview
2. Core Technical Specifications
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Parameter Item
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Details/Specifications
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|---|---|
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Pump Type
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Fixed Displacement External Gear Pump
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Rated Operating Pressure
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241 bar (3,500 psi) continuous
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Peak Pressure
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275 bar (4,000 psi) intermittent
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Displacement Range
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7.6 – 40.6 cm³/r (0.46 – 2.48 cu.in/rev); maximum up to 41 cm³/r (2.5 cu.in/rev)
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Maximum Speed
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3,000 rpm
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Volumetric Efficiency
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≥ 94% at rated pressure; up to 98% under optimal conditions
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Operating Temperature Range
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-20°C to 100°C (-4°F to 212°F); some configurations up to 80°C (176°F)
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Fluid Compatibility
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Mineral oil, synthetic oil, biodegradable oil, phosphate-ester, water-glycol
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Viscosity Range
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50 – 7,500 SUS
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Maximum Flow Rate
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Up to 32 gpm (121 lpm) per section; up to 119 litres/minute
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Body Material
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Ductile cast iron (three-piece construction)
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Gear Configuration
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12-tooth precision steel gears
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Maximum Weight
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10 kg (22 lbs)
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3. Structural & Installation Specifications
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Item
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Specifications
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|---|---|
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Mounting Flange
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SAE A 2-bolt, SAE B 2-bolt; ISO/DIN options available
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Shaft Type
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SAE A 5/8″ 9T spline; SAE B 7/8″ 13T spline; SAE B 7/8″ parallel keyed; SAE/ISO/DIN industry-specific shafts optional
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Port Connections
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SAE, ISO, NPT, BSPP, ODT; flange and straight threaded types
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Port Location
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Side ports, rear ports
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Key Structural Features
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Large-area low-friction bushings; bronze pressure-balanced wear plate; internal lubrication channels; extended stud mounting support
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4. Configuration Options
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Pump Configurations: Single pump, tandem pump, triplex pump, piggyback configuration
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Rotation Direction: Clockwise (CW), counterclockwise (CCW), bi-rotational
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Control Methods: Relief valve, load sense flow control, priority flow control, solenoid unloaded relief valve
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Add-ons: Integrated valves (check valve with restrictor, accumulator charge valve), 415 upgrade (4,500 psi), large pad bearing carrier (1 ½” code 61)
5. Application Fields
PGP gear pump parameter
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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.
