T7BB/T7BBS Parker Denison Double Vane Pump
Single pump：T6C、T6D、T6E、T6CM、T6CP、T7B、T7BS、T7D、T7DS、T7E、T7ES
Double pump：T6CC、T6DC、T6EC、T6ED、T6EE、T7BB、T7BBS、T7DB、T7DBS、T7EB、T7EBS、T67CB、T67DB、T67EB、T67DBS
Triple pump：T6DCC、T6EDC、T6ECC、T6EDCC、T7DBB、T7DBSB、T7EBB、T7EBSB、T67EDB、T67EDBS、T67DCB、T67DDBS
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| E-mail: hyd-sales2009@outlook.com |
1. Product Overview
2. General Technical Specifications
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Parameter Item
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Technical Index
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Remarks
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Pump Type
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Fixed Double Balanced Vane Pump
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Dual independent cartridges, synchronous operation and independent oil supply
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Max. Intermittent Working Pressure
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320bar
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Short-term impact pressure, available for small displacement single pump operation
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Max. Continuous Working Pressure
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290bar
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Rated pressure for long-term stable operation
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Rated Speed Range (Industrial Type)
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600～3600rpm
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Optimal operating speed: 1000～2500rpm
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Rated Speed Range (Vehicle Type)
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400～2800rpm
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Suitable for low-speed operation of agricultural machinery and construction machinery
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Minimum Stable Speed
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400rpm
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No jitter and no cavitation
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Single Pump Displacement Range
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5.8～49.4ml/rev
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Front and rear cartridges can be combined arbitrarily
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Max. Total Double Pump Displacement
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98.8ml/rev
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Combination of dual B15 cartridges
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Volumetric Efficiency
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≥94%
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Typical measured value under standard working conditions
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Operating Temperature Range
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-20℃～+80℃
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Compatible with mineral oil, biodegradable oil and water-based hydraulic fluid
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Noise Performance
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Low Noise Design
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3～5dB lower than ordinary vane pumps
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Pump Weight
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23kg and above
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Varies with different displacement combinations
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3. Displacement Specification Chart (Cartridge Parameters)
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Displacement Code
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Actual Displacement (ml/rev)
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Displacement Code
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Actual Displacement (ml/rev)
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B02
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5.8
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B09
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27.9
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B03
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9.8
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B10
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31.5
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B04
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12.8
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B11
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35.0
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B05
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15.9
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B12
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40.5
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B06
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19.6
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B14
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44.2
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B07
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22.5
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B15
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49.4
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B08
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24.8
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–
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–
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4. Complete Model Coding Rules
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Code Position
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Code Content
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Detailed Definition
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1
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T7BB/T7BBS
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Series Code: T7BB = ISO Flange Mounting; T7BBS = SAE B Flange Mounting
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2
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B02~B15
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Shaft end (front) cartridge displacement code
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3
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B02~B15
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Cover end (rear) cartridge displacement code
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4
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1/2/3
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Shaft Type: 1=SAE B Keyway Shaft; 2=SAE BB Keyway Shaft; 3=SAE B Spline Shaft
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5
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R/L
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Rotation Direction: R=Clockwise; L=Counterclockwise
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6
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00
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Basic configuration, 00 stands for standard general configuration
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7
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A1
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Standard oil port direction, customizable multi-angle installation
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8
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M0
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Seal Material: M0=NBR standard seal, suitable for conventional working conditions
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5. Summary of Standard Common Models
5.1 T7BB Series (ISO Flange) Common Models
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T7BB-B05-B05-1R00-A1M0: Dual 15.9ml/rev small flow combination, for precision small hydraulic systems
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T7BB-B08-B10-1R00-A1M0: 24.8+31.5ml/rev, universal for small and medium-sized machine tools
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T7BB-B10-B10-1R00-A1M0: Dual 31.5ml/rev, stable medium flow output
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T7BB-B10-B15-1R00-A1M0: 31.5+49.4ml/rev, preferred for high-low pressure composite working conditions
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T7BB-B15-B15-1R00-A1M0: Dual 49.4ml/rev, for large-flow industrial hydraulic systems
5.2 T7BBS Series (SAE B Flange) Common Models
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T7BBS-B03-B06-1R00-A1M0: 9.8+19.6ml/rev, for agricultural machinery auxiliary hydraulic systems
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T7BBS-B05-B12-1R00-A1M0: 15.9+40.5ml/rev, for multi-circuit oil supply of construction machinery
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T7BBS-B10-B14-1R00-A1M0: 31.5+44.2ml/rev, for medium and high-pressure mobile machinery systems
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T7BBS-B15-B10-1R00-A1M0: 49.4+31.5ml/rev, dedicated for high-low pressure flow splitting
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T7BBS-B12-B12-1R00-A1M0: Dual 40.5ml/rev, for large-flow agricultural machinery hydraulic systems
6. Core Product Advantages
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High Pressure Durability: Stable long-term operation at 290bar continuous pressure and 320bar short-term impact pressure, applicable for heavy-duty hydraulic conditions; can replace part of piston pumps to reduce equipment costs.
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High Efficiency & Low Energy Consumption: Adopts full pressure balance structure with volumetric efficiency up to 94%, reducing energy loss and equipment operating power consumption.
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Strong Pollution Resistance & High Reliability: Exclusive double-lip vane structure reduces dependence on hydraulic oil cleanliness, avoiding jamming and wear failures, suitable for harsh working conditions.
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Flexible Installation: Supports 32 installation angles, dual flange standards adapt to various equipment, with flexible layout and strong installation compatibility.
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Convenient Maintenance: Plug-in independent cartridge design allows separate replacement of worn cartridges without overall pump disassembly, greatly shortening equipment downtime.
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Low Noise Operation: Optimized vane meshing structure ensures low-noise operation under all working conditions, suitable for precision processing and indoor industrial equipment scenarios.
7. Core Selection Guidelines
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Confirm the mounting flange first: Select T7BB (ISO flange) for fixed industrial equipment, and T7BBS (SAE B flange) for mobile machinery and imported equipment.
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Match front and rear cartridge displacement combinations according to system flow requirements, and prioritize standard displacement models.
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Strictly distinguish shaft types (keyway/spline) and rotation directions to avoid transmission system matching failure after installation.
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Control long-term working pressure within 290bar and short-term impact pressure within 320bar to ensure pump service life.
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Select different seal materials according to operating temperature and medium types to adapt to special hydraulic fluid working conditions.
Complete products, original authentic products, fast delivery!Welcome to consult.
Complete products, original authentic products, fast delivery!Welcome to consult.
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.
