P4 Features & Benefits

Multistage Units

1. Fitness for use

With the Hansen P4 product line you can easily select what you need, thereby optimizing your investment.

Hansen P4 Feature: Your benefit:
  • Specific housing for horizontal and vertical applications
  • Standard higher bearing span for vertical applications
  • Simple, standard systems for cooling and lubrication
  • Accessories and instrumentation are offered as catalogue options
  • Improved component standardization
  • Special ratios up to 1% of the requested ratio at moderate cost
  • Easy to select the optimal gear unit for a specific applicationvalue for money
  • Stronger shaft support for surface aerators, mixers ...
  • Proven and cost- effective solutions
  • Easy and fast customization possibilities
  • Shorter delivery times
  • Cost efficient tailor-made solution

2. Power and Reliability

The excellent constructional rigidity of Hansen P4, together with the commitment to apply state-of-the-art gear technology, leads to remarkable power and performance.

Hansen P4 Feature: Your benefit:
  • Rigid standardized pinion shafts and housings
  • Full-scale application of:

    • High torque geometry in low speed gear sets

    • Low noise geometry in high speed gear sets

    • Profile-controlled gas carburizing

    • Protuberance hobbing of helicals and root fillet grinding of bevels

    • Precision grinding with sophisticated tooth contact analysis

  • Assured oil circulation through the bearings
  • Better lateral load distribution, lower noise and vibration levels:

    • Better strength/surface durability rating balance

    • Lower noise and vibration levels

    • Optimal load capacity

    • Improved strength

    • Optimal transverse and lateral load distribution, lower noise and vibration levels

  • Long, troublefree working life

3. Installation

Even the larger Hansen P4 models are easy to transport, manoeuvre and install.

Hansen P4 Feature: Your benefit:
  • Provision for crowbar on smaller housings and adjusting screws on larger housings
  • Oval transport slots for horizontal applications; hoist eyes for vertical applications
  • Standard points for accessories
  • Internal construction ensures oil supply to all bearings on first oil filling
  • Easy installation procedure
  • Easy to handle and install
  • Easy to mount accessories such as protection caps
  • Bearings safely lubricated from the start

4. Spare Parts, Service & Maintenance

The Hansen P4 is one of the easiest to maintain gear units on the market. The maintenance operation itself has been simplified and shortened.

Hansen P4 Feature: Your benefit:
  • 50% reduction of gear components used in the complete range of gear units
  • Housings for horizontal and vertical applications both with horizontal split
  • Maintenance-free Oil-Lock seal as a standard on the high speed shaft extensions
  • Drywell standard for vertically down shaft
  • Easy to remove inspection cover with O-seal above the oil level
  • Provision for easy removal of covers
  • Specific housings for horizontal and vertical applications
  • Rounded external design
  • All standard gear components available worldwide from stock
  • Easy to open for inspection and service on-the-spot
  • Oil-tight for life - no maintenance required
  • Easy and quick inspection without oil drainage
  • Easy to open for service on-the-spot
  • Total oil evacuation possible
  • Smooth surface without dirt-retaining cavities