DIY head for the well: device and installation rules

Proper arrangement of the well is impossible without the use of the necessary node - tip. The installation of the head on the well not only protects the structure from the ingress of foreign objects, but also greatly facilitates the operation of the well of the water supply system. Some people are of the opinion that the installation of the head is an extra expense: the wellhead can be wrapped with tape or tape, and the structure covered with an old tank. This opinion is erroneous, since a film or tape cannot protect the well in the event of a rise in groundwater, which can lead to the destruction of the system and water pollution.

The main functions and types of heads

A cable is attached to the head holding the submersible pump. The pump power cable and the pressure pipe itself pass through the head.

The head for the well is a kind of cover that covers part of the casing

Installing the head on the well allows you to realize several goals at once:

  • reliable hermetic isolation of the wellhead from massive snowmelt and floods;
  • protection of the water supply system from foreign objects as well as surface groundwater;
  • reducing the likelihood of theft of component materials and equipment and the well well;
  • increase in the debit of shallow sand wells due to the generating voltage during the operation of the pump;
  • opposition to the internal freezing of the well in the winter months;
  • protection of drinking water from precipitation, dirt, dust and debris;
  • increased reliability of the suspension of the pump;
  • simplification of the operation of the structure as a whole.

There are several types of wellheads that differ in the material of manufacture and the quality of the product

The most demanded and popular among the broad mass of job seekers are the head ends for the well, made of plastic, steel or cast iron. To equip shallow wells, a plastic design is often used.

It will also be useful material on how to properly supply water to a private house from a well: voda / kak-podvesti-vodu-v-chastnyj-dom.html

Arrangement and installation of a head for a well

The device of the head for the well is equipped with: a protective cover, a plastic or metal flange, a rubber ring, fasteners and a carbine. Two eyebolts are welded on the outside of the metal covers, and one on the inside.

The main advantages of the installation design - the installation of the wellhead does not require welding. Installation of the product is carried out by tightening with bolts. They compress between themselves the clamping flange and the cover, as well as the layer made of a rubber sealing ring.

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Convenience of installation also lies in the possibility of immersing the pump behind the eyebolts placed on the cover of the product using lifting mechanisms (crane, winch).

You can learn how to choose a pump for a well from the material: voda / kak-podobrat-nasos-dlya-skvazhiny.html

At the base of the eyebolt, a cable is fixed on the inside of the cover, which is attached to the pump with a carabiner, which greatly simplifies the operation of the water supply system

When arranging the tip, first cut the casing perpendicular to the axis. The edge of the cut should be made smooth, deburred. The outer surface of the pipe is cleaned, primed and covered with a layer of anticorrosion paint.

After that, the pump can be connected to a plastic pipe, attach a cable of the required length there and build up the cable. The whole structure is pulled together by a clamp. The free end of the cable should be attached through the lower eyebolt of the cover to the carabiner. First pass the cable and the plastic pressure pipe through the cover. With the flat surface facing out, the flange and rubber ring are put on the casing.

By lowering the submersible pump into the well, you can install the sealant cover. To do this, slightly raise the flange and rubber ring to the level of the cap. The flange and the cover are pulled together by bolts, while the rubber ring placed between them is compressed. Use to fix the collet clamp will help to tighten and prevent sagging of the pressure polyethylene pipe. Cable entries can be used to fix sagging cables.

Also, material on the rules for installing equipment during the construction of a well will be useful: voda / kak-obustroit-skvazhinu-na-vodu-svoimi-rukami.html

How to build everything yourself?

For the manufacture of the head flange, 10 mm sheet metal is required. Based on the outer size of the casing, a flange should be cut, the inner diameter of which should slightly exceed this size. According to the size of the flange, a plug should also be cut into which the inlet fittings for cables and pressure pipe will be subsequently welded.

The simple design of the product also allows you to quickly make a head for the well with your own hands.

Two eyebolts must be welded to the outer surface of the cover, which will be necessary to lower the pump and raise the cover during preventive measures. The eye bolt necessary for fastening on the pump cable should be welded to the inner surface of the cover. The bonded lid and flange are bolted together. By placing a rubber ring under the flange, you can ensure high-quality sealing of the entire structure.


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