Most of the fittings which are to be used for the water supply are standardised. Some of the fittings which are routinely used in residential water supply are discussed below.
1. Stop Valves
These are fixed in an accessible place for each outlet such as washbasins, water closets, etc., to control and facilitate repair.
2. Gate Valves
These operate as a gate in the pipe. It regulates the flow and when fully open, it offers no resistance to flow. These are used for closing the main pipes from tanks.
3. Ball or Float Valves
These are provided in storage tanks, flushing cistern, etc., to control the level of storage water. The supply is cut off automatically when the water reaches a particular designed level.
4. Bib Taps or Bib Cocks
This is the conventional type of fittings used in washbasins.
5. Pillar Taps
It is the outlet provided from a vertical inlet and horizontal outlet in washbasins in kitchens, lavatories, etc.
6. Self-Closing Taps
They remain open as long as the valve is pressed down and closes when the pressure is released. Such taps are provided in railway stations, hotels, etc.
7. Magnetic Taps
These taps operate as soon as the hand is placed below the tap and closes automatically as soon as the hand is removed. This is a very hygienic tap as one need not to touch the tap to operate. Such taps are provided in airport, hotels and hospitals.
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