Learn About Rising Main And Its Uses In Bore Water Retrieval

If you are a plumber, then you would sure be well aware of rising mains. If you are not and you want to oversee a plumbing contract that uses rising mains, this article will help you know about the different types and uses.
rising main
Rising Main
  • Although we use the functionality of the rising main, we may not be aware what a rising main is. These are mostly used where agriculture, irrigation is the lead occupation. In places where there is scarcity of natural water and hence you will have to use underground water for everyday purposes.
  • Yes, rising main is used in extracting water from underground. Rising main is installed vertically that helps to raise the water from the ground to a building. When you need underground water, a boreline is required and its accessories are installed.
Once a borehole has been drilled underground, it is usually used to a calculated diameter. This is then fit in bore pumps or otherwise called as bore hose, the rising mains are then fitted in the form of PVC Pipelines or Steel Pipelines or Flexible Rising main. The flexible rising main can be used in many borehole applications.

What is the difference between the PVC rise pipes and the steel pipes?

PVC rise pipes and steel riser pipes are rigid while the flexible rise pipe is flexible given its fabric like texture. This is achieved by integrating thermoplastic polyurethane into a woven textile fabric of highly firm polyester.
Flexible rising main is very popular due to:
  • Easy installation
  • Transportability
rising main
Rising Main

Benefits of a flexible riser main:

  • Quick and easy installation and water retrieval, along with fewer hassles involved in regular maintenance as the main is resistant to moisture attack and corrosion.
  • Because it is easily transportable, this incurs less cost for transporting due to light weight and easy handling.
  • There is no internal scaling
  • It is totally corrosion resistant  
  • It is easily installable
  • Given the material, it is easily transportable. You can get custom lengths made to order

what are the two types of rising mains?

You will find 2 types of riser mains.
  • A wet riser
  • A dry riser
A wet rise: In a wet riser main is a pipe which is filled with water all the time. Any floor can get immediate water because of this.

A dry riser: It is a vertical pipe. This kind of risers is normally kept empty of water. This riser is fitted to various outlets at different floor levels in the building. Unlike wet pumps, dry pumps doesn’t store water but is charged by means of fire service pumps when ever required.

Where are these riser mains used?

These could be used in a variety of pumping applications. Some examples are:
  • Mine de-watering
  • Domestic water supply
  • Test pumping
  • Industrial bore water retrieval
  • Rural bore water retrieval
  • Sewage system and other groundwater projects
rising main
Rising Main
The internet is full of information on the rising main and the different types available along with the suppliers their contact info and the rating from their buyers.  If you are looking at bore well in your space, there are companies that give you a package deal. It is best you work with them as they will be completely responsible for any procurement and you will be worry free. Use this guide as an information bank so you have some basic knowledge when you are talking to the people providing you these services. It is also important to use the rising main only after you have consulted with the main experts and the pumping professionals. 
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