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Eaton Hydraulics
GEAR PUMPS AND MOTORS

GEAR PUMPS AND MOTORS

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GEAR PUMPS AND MOTORS

Product catalog summary

Series 26 Pumps

Features: Designed for quiet operation with 13-tooth gears to minimize noise and vibration. Enhanced efficiency through improved bearing lubrication and polished components. Field reversible and interchangeable with B1 and B2 gear pumps, supporting pressures up to 3500 PSI and flow rates up to 24.1 GPM.
Specifications and Performance: Displacements range from 6.6 to 30.6 cm³/r, with maximum intermittent pressures of 241 bar (3500 PSI) and rated speeds up to 3600 RPM. Suitable for continuous operation at 210 bar (3000 PSI) and temperatures up to 105°C (220°F).
Performance Data: Charts illustrate speed, flow, and input power relationships across different pressures and displacements.
Dimensions: Standard catalog assemblies provide detailed dimensions for easy integration.

Series 26 Motors

General Information: Future updates or additional information will be provided.

Series L2 Pumps

Specifications and Performance: Similar to Series 26, with detailed specifications and performance data, including flow and power requirement charts.
Dimensions and Configurations: Standard assemblies and optional configurations available, with detailed component dimensions.

Overview: Detailed specifications and configurations for Eaton Series 26 Gear Pumps and Motors, including model numbers, displacement, dimensions, torque limitations, and optional configurations.

Specifications: Lists models (26001 to 26013) with displacement, dimensions, and maximum allowable input torque for different shaft types. Displacement ranges from 6.6 cm³/r to 30.6 cm³/r.

Torque Limitations: Total torque for multiple pump displacements and pressure combinations must not exceed the maximum input torque rating of the shaft. Formula: Pressure times Displacement divided by 6.28.

Order Numbers: Detailed order numbers for right-hand and left-hand rotation pumps, including shaft location, port size, and replacements for each model.

Optional Configurations: Series 26 Gear Pump can be assembled into various configurations, including single, double, and triple gear pumps with options for relief valves, flow dividers, and tandem backplates.

Component Parts and Dimensions: Detailed dimensions for component parts such as the front plate, body, flow divider backplate, relief valve backplate, and tandem backplate.

Model Code: Explains the coding system for single unit gear pumps, detailing unit type, input rotation, displacement, input shaft, mounting features, and port sizes and locations.

Specifications:

Port Configurations: Various suction and pressure port sizes specified, with options for side and rear ports.
Flow Divider and Relief Valve Options: Configurations available for flow dividers with priority and secondary pressure ports, and relief valves with specific port arrangements.
Priority Flow Divider Settings: Flow settings range from 3.8 LPM (1.00 GPM) to 30.3 LPM (8.00 GPM).
Relief Valve Full Flow Settings: Pressure settings range from 34.5 bar (500 PSI) to 241.3 bar (3500 PSI).

Model Code System: A 24-digit and 32-digit coding system identifies specific features of single and multiple gear pumps, respectively.

Mounting and Shaft Features:

Mounting Options: Includes SAE 2-Bolt A and B flanges, and a 4-Bolt European mount.
Shaft Configurations: Options include splined and straight keyed shafts with various diameters and extensions.

Performance Data:

Operating Pressures: Maximum allowable pressures specified for different displacement configurations, with charts for side-load applications.
Load Sensing Priority Valve: Used in open loop load sense systems, providing metered priority flow with a rated pressure of 207 BAR (3000 PSI) and a maximum controlled flow of 33 L/m (8.5 GPM).

General Specifications: Detailed performance data for Series L2 Pumps, covering displacement, pressure ratings, speed, and input power requirements.

Specifications:
Detailed specifications for Eaton's L2 Series gear pumps, including displacement, maximum continuous and intermittent pressures for various models.

Ordering Information:
Standard Catalog Assemblies available, with dimensions and order numbers provided. Optional configurations include flow dividers and tandem backplates.

Performance Data:
Graphs illustrate output flow versus speed and input power versus speed, tested per SAE specifications using mineral base oil.

Dimensions:
Detailed dimensions for various components such as the front plate, body, backplate, and flow divider backplate.

Model Codes:
23-digit model coding system to identify specific features of L2 single and multiple gear pumps.

Key Data from Tables and Graphs:
- Displacement and pressure ratings for different models.
- Input speed and corresponding output flow/power at specified pressures.
- Dimensional data for assembly components.

Critical Information:
- Maximum input torque limitations for different shaft types.
- Importance of including all 23 digits of the model code when ordering.
- Recommendations for consulting Eaton representatives for side load limits.

Overview: Detailed specifications and configuration options for Eaton's L2 double and triple gear pumps.

Specifications:

Input Rotation: Options for left-hand (CCW) and right-hand (CW) rotation.
Displacement: Available in various sizes ranging from 21.3 cm³/r to 55.2 cm³/r.
Input Shaft: Multiple configurations including spline and keyed options.
Front and Rear Adaptor Ports: Various port sizes and configurations for suction and pressure.
Priority Flow Divider Setting: Ranges from no flow setting to 37.8 LPM.
Relief Valve Full Flow Setting: Options from no setting to 206.8 bar.
Auxiliary Rear Mount: Options include none or specific SAE flange configurations.

Procedures:

Model Code Assembly: A 29-digit coding system is used to specify pump features. All digits must be included when ordering.

Standards and Recommendations:

Ensure all 29 digits of the model code are submitted for accurate order processing.
Use the Model Code Matrix to assist in selecting desired features.

Contact Information: Eaton provides contact details for their offices in the USA, Germany, and Australia for further assistance.

Catalog excerpts

Technical Catalog Series 26 PumpsSeries 26 Motors Series L2 Pumps >

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Pressures to 3500 PSI and flow to 24.1 GPM Interchangeability ? The Series 26 Gear Pumphas been designed to retrofit equipment usingthe B1 and B2 GearPumps. Extra shafts, port- ing, and mounting configu-rations, as well as 13 avail-able displacements, give you the choices you need for an easy conversion to this superior pump. Field Reversible ? The innovative new wearplate permits simple fieldreversibility of the pumpdirection. Simply open the pump, switch the drivegear and idler gear, reposi-tion the plug and reassem- ble. No extra parts areneeded. Improved Efficiency ? Improved bearing lubrica-tion...

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Rotation Field Reversible Mounting Flange SAE A 2 Bolt Max. Continuous Pressure 210 bar [3000 PSI]* Max. Intermittent PressureƆ 240 bar [3500 PSI]** Minimum Speed at Continuous Pressure 750 RPM Maximum Rotating Torque at 0 Pressure 4 Nm [36 lb-in] Maximum Continuous Operating Temperature 105ưC [220F] Minimum Continuous Oil Viscocity 5.7 cSt [45 SUS] Minimum Operating Temperature -29аC [-20F] Maximum Inlet Vacuum at Operating Condition 0,8 bar Abs. [11.6 psi Abs.] > І Continuous - pump may be run continuously at these ratings.Ɔ Intermittent - intermittent operation, 10% of every minute. * 30.6...

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Flow in L/min. [GPM] @ 138 bar [2000 PSSI]

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6EATON Gear Pumps and Motors E-PUGE-MC001-E January 2007 size="-2">

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Flow in L/min. [GPM] @ 138 bar [2000 PSSI] Input kW [HP] Input kW [HP] Input kW [HP]

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I] S I] [300 P r S 207 ba I] [300 P S r I] S 207 ba I] r [300 P S r [2500 P I] S I] 207 ba S r [2500 P 172 Ba [2000 P r [2500 P I] I] r 172 Ba S S 172 Ba 138 Ba r [2000 P I] r [2000 P S 138 Ba S I] 138 Ba I] Input kW [HP] Input kW [HP] Input kW [HP] S r [1500 P [1500 P [1500 P r 104 Ba r I] 104 Ba S S I] 104 Ba S I] [1000 P r [1000 P r r [1000 P 69 Ba 69Ba 69 Ba S I] S I] S I] r [500 P r [500 P r [500 P 35 Ba 35 Ba 35 Ba > > 8EATON Gear Pumps and Motors E-PUGE-MC001-E January 2007 size="-1">

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* 5/8 9 T Spline has a maximum allowable input torque of 62 Nm [550 lb-in].** 5/8 Keyed shaft has a maximum allowable input torque of 56 Nm [500 lb-in].

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* 5/8 9 T Spline has a maximum allowable input torque of 62 Nm [550 lb-in].** 5/8 Keyed shaft has a maximum allowable input torque of 56 Nm [500 lb-in].

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S ingle G ea r Pump withTandem Ba G ea r Pump withTandem Ba > c kplateDouble c kplate T The Series 26 Gear Pumpcomponents can be assem-bled into many optional con- figurations. The versatile design allows you to assem- ble a pump to meet your specific needs.Model codes for single andmultiple pumps along with the component part dimen- sion drawings are given on the following pages. r iple G ea r Pump with Two S u c tionPo r ts and Tandem Ba c kplate S ingle G ea r PumpDouble G ea r Pump with S ingle G ea r Pump w/TandemFlow Divide G ea r Pump with TandemFlow Divide C ommon S u c tion Po r t T...

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Used on Single andMultiple Pumps > Left Hand Rotation Shown Flow Divider Backplate Used on Single andMultiple Pumps S e c onda r y P r essu r ePo C LOptional Hex Plug [3.14] S u c tion Po r tRea (No Relief Valve) 63.8[2.51] r t Rea r Po r ting r Po r ting P S u c tion Po r t S e c onda r y P r essu r ePo S ide Po r ting ReliefValve70.1[2.76]45.5[1.79] 79.8 r t S ide Po r tingP r iveshaft C ente r line38.1[1.50]1.3[.05] r io r ity P r essu r ePo r t S ide Po r ting 30.2[1.19]19.3[.76] r io r ity P r essu r ePo r t Rea r Po r ting 55.1[2.17]48.8[1.92]58.2[2.29]18[.71] 90.9[3.58] D > Right Hand...

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20 = Flow Divider: SuctionPort 1.3125-12 UN-2B SAE O-ring Port; Priority Pressure Port .750-16 UNF-2B SAE O- ring Port; Secondary PressurePort .875-14 UNF-2B SAE O-ring Port - Side Ports 16 = 21 = Relief Valve: Suction Port1.0625-12 UN-2B SAE O-ring Port; Pressure Port .875-14 UNF-2B SAE O-ring Port - Rear Ports; DrainPort .875-14 UNF- 2B SAE O-ring Port Flow Divider: SuctionPort 1.3125-12 UN-2B SAE O-ring Port; Priority Pressure Port .750-16 UNF-2B SAE O-ring Port; Secondary PressurePort .875-14 UNF-2B SAE O- ring Port - Rear Ports 15 = Relief Valve: Suction Port1.0625-12 UN-2B SAE O-ring Port;...

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1, 2, 3 4 5 6, 7 8, 9 10, 11 12, 13 14, 15 16, 17 18, 19 20, 21 22,23 24 25 26 27 ,28 29, 30 31 32 1, 2, 3 26 SeriesACM > 10, 11 Displacement - Rear(cm > 14, 15 Front Adapter Ports01 = > 18, 19 Ports,Sizes andLocation- Backplate01 = Gear Pump - Multiple Unit > 3 /r [in > 3 /r])01 = 05 = Suction Port 1-5/8֖12UN-2B SAE O-ring Port; Pressure Port 7/814 UNF-2B SAE O-ring Port 6.6 [.40] Suction Port 1-5/16֖12UN-2B SAE O-ring Port; Pressure Port 7/814 UNF-2B SAE O-ring Port Plain: Suction Port 1-5/16֖12 UN-2B SAE O-ringPort Size; Pressure Port7/814 UNF-2B SAE O-ring Port֖Side Ports 02 = 8.2 [.50] >...

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27 = 28 = Flow Divider: SuctionPort 1.3125-12 UN-2B SAE O- ring Port; Priority Pressure Port .750-16 UNF-2B SAE O- ring Port; Secondary Pressure Port .875-14 UNF-2B SAE O-ring Port - SIDE Ports Flow Divider: SuctionPort 1.3125-12 UN-2B SAE O- ring Port; Priority Pressure Port .750-16 UNF-2B SAE O-ring Port; Secondary PressurePort .875-14 UNF-2B SAE O- ring Port - Rear Ports 29 = Flow Divider: SuctionPort 1.0625-12 UN-2B SAE O-ring Port; Priority PressurePort .5625-18 UNF-2B SAE O- ring Port; Secondary Pressure Port .875-14 UNF-2B SAE O- ring Port - SIDE Ports > 1, 2, 3 4 5 6, 7 8, 9 10, 11 12,...

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45а 50 PumpInletPumpInlet 0а 045а CW Rotation CW Rotation CCW Rotation CCW Rotation Pit c hDia. 50 0аPump Inlet 0Pump Inlet

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Valve Specifications Rated Pressure207 BAR (3000PSI) Rated Inlet Flow108 L/m (28GPM) Maximum Controlled Flow (CF)33 L/m(8.5 GPM)Bias PressureDynamic - 10 bar (150 PSI) Std. Static - 6.9 bar (100 PSI) Std. Relief Pressure34.5-207 bar (500-3000 PSI) Response Time70 msec. max. (std. bias spring) CF Flow Variation over full pressure range+/- 10% Pump Specifications Displacements9 Available: 8.2cm > 3 /r [.50 in > 3 /r] thru 30.6 cm > 3 /r [1.87in > 3 /r]MountingSAE 2-Bolt A MountSAE 2-Bolt B Mount 4-Bolt European Mount (80mm Pilot) PortsSide or Rear Type Single or Multiple Configuration > Gear Pumps...

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