Intro-Hydraulics-Bannaer

Product Selection

Product & System Arrangement Considerations

Whether it’s a small bearing replacement on a roller in a steel mill or a replacement of a bearing on a bridge cap, Hydraulic Technologies offers various product solutions to meet a wide array of demanding MRO applications. Utilize this section to navigate through the selection process:
applicaiton overview

STEP 1: 

Application Overview - determine the type of lift or positioning equipment required for your application.

Things to consider:

  • Single or multi-point lift?
  • Balance or unbalanced load?
  • Guided or unguided load?
  • Synchronized or unsynchronized positioning?
Function

STEP 2:

What function is required? Understanding the application movement will determine the type of pumps and tools are required.

System Arrangements

STEP 3:

What System Components are Required? Walk through the cylinder and pump selection process

Key points to review

Key Points to Properly Sizing Hydraulic System

Questions to be considered:

  • Total system load
  • Application loading conditions
  • Operating intervals
  • Movement velocity requirements
  • Environmental conditions
  • Mounting requirements
  • Pump configuration (manual or powered)
  • Cylinder Movement (single or double acting)
  • Return type (spring return, load return, or hydraulic return)
  • Cylinder type (center hole, low height, or locking collar)
  • Control options
  • Automation needs (manual controlled or PLC controlled)
  • System component hardware required
Cylinder selection

Cylinder Selection

Cylinder or Tool Type Consideration:

  • Type of cylinder: Single or Double Acting
  • Design Type: Spring Return, Load Return, Hydraulic Return
  • Cylinder Design: Center Hole, Low Profile, or Flat Jack
  • Material Type: Steel or Aluminum
  • Footprint Requirement
  • Lift Extension Needed
  • Piston Saddle Type: Flat or Swivel Load Cap
  • Handling requirements
  • Tonnage Requirements
Cylinder Guide
cylinder determination
Pump Selection

Pump Selection

Power Pump Considerations:

  • What is the preferred source of power? Manual (hand or foot-operated) provides portability and can be used where electricity or shop air is unavailable. Air/Hydraulic: Uses shop air or a portable air ­compressor. Electric/Hydraulic: What voltage is available? Is a ­battery operated pump preferred?
  • What maximum system operating pressure (psi) is required?
  • Power or pressure control switching
    What volume of oil delivery is required? (For manual pumps, cu. in. of oil per handle stroke.  For powered pumps, cu. in./min. of oil).
  • Is a single-speed or two-speed pump required? (Two-speed pumps deliver high oil volume at low pressure for rapid cylinder piston advance and then shift to a high-pressure, low-volume stage under load.)
  • Valve Control Requirements (2/3/4 Way, Manual or Solenoid)

Pump Guide
Accessories Selection

Accessories Selection

  • Hose Type (Material, lengths and ID Size should be determined)
  • Manifold Requirements (what controls are required for load control)
  • Fittings required?
  • Couplers required?
  • Gauges (Analog and digital are available)
  • In-line Valve / Flow Control Requirements (Meters flow)
  • Do you need remote valves? (Will the valve be used with single or double-acting cylinders?)
  • Will the valve be mounted on the pump, away from the pump or directly into the hydraulic lines?
  • Will the valve be manually operated, or is a remote control preferred? 
    Is independent control of multiple cylinders or hydraulic tools preferred? 
Valve Guide
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