Danfoss Frame L Open Circuit Axial Piston Pump – Series 45

Danfoss Frame L Open Circuit Axial Piston Pump – Series 45

Danfoss Frame L pumps are manufactured in rigid quality standards and long service life. Rexton Hydraulic is leading supplier and repair service provider of Danfoss Frame L Open Circuit Axial Piston Pump – Series 45 including their complete range of sizes/models.

 

  • Axial Piston Variable displacement Pump
  • Series 45 Frame L Pump
  • Model : L25C , L30D .
  • L25C Minimum Pressure 260 Bar (Psi 3770)
  • Maximum Pressure 350 Bar (Psi 5075)
  • L30D Minimum Pressure 210 Bar (Psi 3045)
  • Maximum Pressure 300 Bar (Psi 4350)
  • Open circuit

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Danfoss Frame L Open Circuit Axial Piston Pump Series 45 is developed in variable displacement, axial piston swashplate and single servo piston design for open circuit applications. These products are available to optimize performance, size and cost as per the work function requirement of the demanding mobile equipment marketplace. These pump have control ports system pressure to the servo piston, adjusting swashplate angle to control pump output flow.

Frame L pumps come in two sizes 25 cm³ to 30 cm³, with the nominal pressure up to 260 [3770 psi] bar and 210 [3045 psi] bar and maximum pressure up to 350 [5075 psi] bar and 300 [4350 psi] bar. These pumps are available with variety of control system options including load sensing and pressure compensated. Their through-drive capability for multi-circuit systems makes them versatile, Moreover, Frame L pumps are designed with a range of mounting flanges, shafts, and porting options for ease of installation.

These pumps are used in numerous mobile equipment such as Cranes, Telescopic handlers, Forklift trucks, Wheel loaders, Sweepers and Backhoe loaders. Danfoss Frame L Open Circuit Axial Piston Pump Series 45 are known for reliability and higher performance due to their robust input shaft bearings to handle large external shaft loads and Integrated gauge ports for monitoring operating conditions. Additionally, these come with Customer-driven using quality function deployment (QFD) and design for manufacturability (DFM) techniques.

Technical Specifications

Technical Data

Description Unit L Frame K Frame
L25C L30D K38C K45D
Maximum Displacement cm³ [in³] 25 [1.53] 30 [1.83] 38 [2.32] 45 [2.75]
Working Input Speed Minimum min –1 (rpm) 500 500 500 500
Continuous min –1 (rpm) 3200 3200 2650 2650
Maximum min –1 (rpm) 3600 3600 2800 2800
Working Pressure Continuous bar [psi] 260 [3771] 210 [3045] 260 [3771] 210 [3045]
Maximum bar [psi] 350 [5075] 300 [4350] 350 [5075] 300 [4350]
Flow at rated speed (theoretical) l/min [US gal/ min] 80 [21] 96 [25.4] 100.7 [26.6] 119.3 [31.5]
Input torque at maximum displacement (theoretical) at 49° C [120°F] N•m/bar [lbf•in/1000 psi] 0.398 [243] 0.477 [291] 0.605 [369] 0.716 [438]
Mass moment of inertia of internal rotating components kg•m² [slug•ft²] 0.00169 [0.00125] 0.00161 [0.00119] 0.00184 [0.00135] 0.00203 [0.00150]
Weight – Axial ports kg [lb] 19.0 [41.9] 19.0 [41.9] 19.0 [41.9] 19.0 [41.9]
Weight – Radial ports kg [lb] 24.0 [52.9] 24.0 [52.9] 24.0 [52.9] 24.0 [52.9]
External Shaft Loads External moment (Me) N•m [lbf•in] 61 [540] 61 [540] 76 [673] 76 [673]
Thrust in (Tin), out (Tout) N [lbf] 1000 [225] 1000 [225] 1200 [270] 1200 [270]
Mounting flange load moments Vibratory (continuous) N•m [lbf•in] 1005 [8895] 1005 [8895] 1005 [8895] 1005 [8895]
Shock (maximum) N•m [lbf•in] 3550 [31420] 3550 [31420] 3550 [31420] 3550 [31420]

Product Models

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