T7ES series Parker Denison 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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1. Series Overview & Structural Features
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Item
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Technical Description
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Pump Structure
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Single pump, fixed displacement, single-stage high-pressure heavy-duty vane structure
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Standard Mounting
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SAE C 2-bolt J744 standard flange (5-inch spigot)
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Core Advantages
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Large displacement, ultra-high pressure endurance, low flow pulsation, heavy-load durability, excellent VSD & servo adaptability
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Typical Application
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High-power servo hydraulic systems, heavy industrial machinery, large flow hydraulic power units
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2. Core Technical Parameters
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Parameter Item
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Standard Value Range
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Remarks
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Theoretical Displacement Range
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132–269 cm³/rev (8.05–16.41 in³/rev)
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Maximum single-pump displacement in T7 series
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Max Continuous Working Pressure
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240–275 bar (3480–3988 psi)
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Long-term stable heavy-load rated pressure
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Max Intermittent Pressure
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280–320 bar (4060–4640 psi)
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Short-term peak pressure tolerance for impact load
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Rated Speed Range
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600–2800 rpm
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Stable low-speed operation for variable frequency servo systems
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Standard Shaft Type
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1-1/2″ heavy-duty parallel key shaft; optional spline shaft
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High-torque reinforced shaft for large flow output
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Standard Seal Configuration
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S1 BUNA N rubber seal
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Applicable to standard mineral hydraulic oil
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Max Inlet Pressure
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0.7 bar
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Standard suction working condition requirement
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Applicable Hydraulic Media
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Mineral oil, biodegradable hydraulic oil, water-based hydraulic fluid
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Special customized seals for special medium scenarios
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3. T7ES Series Displacement Code & Corresponding Parameters
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Displacement Code
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Theoretical Displacement (ml/rev)
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Displacement Code
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Theoretical Displacement (ml/rev)
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042
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132.0
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062
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198.0
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045
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143.0
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066
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213.3
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050
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158.0
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072
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227.0
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052
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165.0
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085
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269.0
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057
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182.0
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–
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–
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4. Complete Model Naming Convention (Take T7ES-072-1R02-A5MW as Standard Example)
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Code Segment
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Detailed Meaning
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Optional Specifications
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T7ES
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Series identifier: SAE C flange single large-displacement high-pressure vane pump
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Fixed as T7ES
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0XX
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Large displacement code, determines pump theoretical flow output
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042/045/050/052/057/062/066/072/085
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1R02
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Shaft type + rotation direction + configuration code
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1=standard high-torque shaft; R=clockwise; L=counterclockwise; 00/02=standard configuration
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A5
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Seal grade code for temperature and medium resistance
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A1=standard seal; A5=high-temperature resistant seal
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MW
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Thread type and port structure configuration code
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M0=metric thread; W=optimized high-flow oil port
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5. Typical Standard Models
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T7ES-050-1R00-A1M0: 158.0ml/rev medium-large displacement standard model, universal for heavy industrial hydraulic equipment
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T7ES-062-1R00-A1M0: 198.0ml/rev large displacement model for medium and large flow heavy-load hydraulic systems
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T7ES-072-1R02-A5MW: 227.0ml/rev high-power model, specially optimized for servo variable speed hydraulic systems
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T7ES-085-1R00-A1M0: 269.0ml/rev maximum displacement model, applied for super large flow heavy-duty hydraulic stations
6. Key Product Characteristics
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Ultra-High Pressure Heavy-Duty Performance: Supports 275bar continuous high-pressure operation and 320bar instantaneous peak pressure, adapting to long-term cyclic heavy-load working conditions of industrial heavy machinery.
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Super Large Flow Output: Industry-leading large displacement coverage, meeting the high-flow and fast-action demands of large hydraulic equipment and improving overall system efficiency.
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Excellent Variable Speed Adaptability: Optimized internal flow channel and vane kinematics design, stable operation at low speed, low flow pulsation, perfectly compatible with VSD and servo closed-loop control systems.
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Enhanced Durability & Long Service Life: Adopts Denison patented anti-wear stator curve and reinforced shaft & bearing assembly, effectively reducing mechanical wear under high pressure and extending service life.
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Standard SAE Universal Installation: Uniform SAE C 2-bolt flange specification with high universality, convenient for on-site assembly, replacement and maintenance of equipment.
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Low Noise & Stable Operation: Precision machining and optimized hydraulic structure reduce vibration and hydraulic noise, satisfying low-noise production environment requirements.
7. Main Application Scenarios
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High-power servo variable speed hydraulic systems for large injection molding and die-casting machinery
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Heavy hydraulic presses, forging equipment and thick plate bending & shearing machinery
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Metallurgical, mining and large engineering machinery hydraulic power units
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Industrial heavy-load automated production line hydraulic systems
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High-flow and high-pressure industrial fixed/variable speed hydraulic stations.
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.
