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Yuken 50T Vane Pumps: Comprehensive Overview

Yuken 50T series are fixed-displacement single vane pumps designed for hydraulic systems requiring consistent flow and reliable performance in low-to-medium pressure applications. They are widely used as hydraulic power sources across various industrial sectors.

Core Specifications

Parameter
Value
Notes
Type
Fixed-displacement single vane pump
Also available as double (5050T, 50150T) and combination pumps
Displacement Range
5.3–36 cm³/rev (0.32–2.20 in³/rev)
Models: 50T-7, 50T-9, 50T-12, 50T-14, 50T-17, 50T-23, 50T-26, 50T-36
Max Operating Pressure
7 MPa (1,020 psi)
Standard rating; some sources mention up to 14 MPa for specific models
Max Shaft Speed
2,000 r/min
Depends on specific model and operating conditions
Noise Level
≤65–70 dB(A)
Quiet operation, suitable for noise-sensitive environments
Volumetric Efficiency
≥92%
Industry-leading, thanks to floating 侧板补偿技术
Mounting Options
Foot (L) or Flange (F) mounting
Direct motor connection capability

Model Number Breakdown (Example: 50T-26-L-RL-30)

Code
Meaning
50T
Series identifier (50T = low-pressure fixed vane pump)
26
Displacement (26 cm³/rev)
L/F
Mounting type (L=Foot, F=Flange)
RL/LR/RR
Rotation direction and port orientation (RL=Right-hand rotation, Left port)
30
Standard specification code

Key Features

  1. Compact Design: Small footprint ideal for space-constrained hydraulic systems
  2. Low Noise Operation: Quiet performance (≤65 dB(A)) enhances workplace comfort
  3. High Responsiveness: Suitable for precision applications like machine tools and test equipment
  4. Robust Construction: Simple yet durable design for easy installation, operation, and maintenance
  5. Stable Performance: Consistent flow delivery even under varying load conditions
  6. Wide Flow Range: Accommodates diverse application requirements
  7. Floating Side Plate Technology: Automatic gap compensation for high volumetric efficiency

Applications

Yuken 50T vane pumps are commonly used in:
  • Light Industrial Machinery: Injection molding machines, hollow molding machines, die-casting machines, shoe-making equipment
  • Machine Tools: Grinders, lathes, milling machines, hydraulic presses
  • Plastic Processing: Extruders, blow molding machines
  • Rubber Machinery: Vulcanizers, calenders
  • Automation Systems: Material handling equipment, robotic systems
  • Test Equipment: Hydraulic test benches, simulation systems
  • Agricultural Machinery: Specialized farm equipment requiring hydraulic power

Configuration Options

  1. Single Pumps (50T-XX): Basic unit with one inlet and one outlet
  2. Double Pumps:
    1. 5050T: Two 50T series pumps on common shaft
    2. 50150T: 50T series + 150T series pumps on common shaft
    3. Provide two independent discharge ports for separate circuits
  3. Combination Pumps: Double pumps integrated with relief/unloading/check valves in a common housing for complete circuit solutions

Performance Advantages

  • Energy Efficiency: High volumetric efficiency minimizes energy consumption
  • Smooth Operation: Vane design reduces pulsation for consistent hydraulic pressure
  • Long Service Life: Robust construction and quality materials ensure durability
  • Versatile Installation: Multiple mounting and port options for flexible system integration

Maintenance Tips

  1. Use recommended hydraulic fluids (ISO VG 32–68) at proper temperature range (10–60°C)
  2. Maintain clean fluid with filtration (≤10 μm) to prevent vane and housing wear
  3. Check for proper alignment during installation to avoid shaft seal damage
  4. Regularly inspect for leaks, abnormal noise, or vibration
  5. Follow Yuken’s recommended maintenance schedule for optimal performance