QT31-25/QT31-31.5/QT41-40 Gear pump
QT31,QT32,QT33 series Gear pump; QT41,QT42,QT43 series Gear pump;
QT51,QT52,QT53 series Gear pump;QT61,QT62,QT63 series Gear pump;
Sumitomo Gear pump : QT32-12.5 , QT32-16 , QT42-20 , QT42-25 , QT42-31.5
Sumitomo Gear pump : QT52-50 , QT52-63 , QT62-80 , QT62-100 , QT62-125 , QT31-20 , QT31-25
Sumitomo Gear pump : QT31-31.5 , QT41-40 , QT41-50 , QT41-63 , QT51-80 , QT51-100 , QT51-125
Sumitomo Gear pump : QT61-160 , QT61-200 , QT61-250 , QT33-12.5 , QT33-16 , QT43-20
Sumitomo Gear pump : QT43-25 , QT43-31.5 , QT53-40 , QT53-50 , QT53-63 , QT63-80
Sumitomo Gear pump : QT63-100 , QT63-125 , QT52-40

1. QT31-25 gear pump
Technical specifications
Model: QT31-25-A, QT31-25F-A, etc.
Displacement: 25cm3/rev
Pressure range: medium and high pressure system (up to 25MPa)
Structural features: linear conjugated internal meshing gear design, axial/radial clearance optimization, high volumetric efficiency.
Performance characteristics
Ultra-low noise: The unique toothed design maintains a low noise level (such as below 70dB(A)) when the pressure is increased.
High wear resistance: chromium-molybdenum alloy gears + special technology, minimal wear and life span of more than 15,000 hours.
Very low pressure pulsation: the pulsation rate is ≤±1.5%, which is suitable for precision speed control systems.
Modular maintenance: quickly replace worn parts and reduce maintenance costs.
Application scenario
Injection molding machine/die casting machine: provide stable power for the hydraulic system.
Elevator/machine tool: low noise characteristics are suitable for precision control scenarios.
2. QT31-31.5 gear pump
Technical specifications
Model: QT31-31.5 F-A, etc.
Displacement: 31.5cm3/rev
Applicable fluids: high viscosity media (such as heavy oil, residual oil).
Performance characteristics
Efficient and stable: patented axial/radial pressure technology, the pressure can reach 300MPa.
Wide temperature adaptability: -20℃~120℃ medium temperature range.
Intelligent protection: Some models are equipped with a temperature monitoring system.
Application scenario
Petrochemical industry: conveying high-viscosity fluids.
Steel smelting: lubrication system under heavy-duty conditions.
3. QT41-40 gear pump
Technical specifications
Model: QT41-40-A, QT41-40F-A, etc.
Displacement: 40cm3/rev
Pressure output: high-pressure type, suitable for heavy-duty systems.
Performance characteristics
Energy saving and high efficiency: reduce power loss and fast response speed.
Compact structure: suitable for industrial equipment with limited space.
Application scenario
Shipbuilding: deck mechanical hydraulic system.
Power equipment: high-pressure fluid 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.
