Valves in pipe lines are provided to control supply of water. They are used to stop supply when any repair is carried in pipe line. There are fourteen types of valves for plumbing.
This valve is suitable means of connections for inserting and controlling the flow of water. Nominal size of valve is designated by nominal bore of the pipe to which the valve is normally fitted. The body and bonnet of this valve is made from cast brass. In large buildings sufficient numbers of stop valves are fixed on branch pipes to minimize interruption of supply during repairs. A stop valve is also called stopcock. There are two types of stop valves. 1). Internally threaded 2). Externally threaded
Fancy Stop Valve
These valves are available in normal sizes of 15 mm and 20 mm. These are also called open stopcock valves.
Angle Stop Valve
This valve has inlet and outlet at right angles to each other. This is used to stop supply of water to geyser, flushing cistern and wash basin etc. This valve is also used for servicing of water fitting to be carried out without shut off complete water supply of the house.
Concealed Stop Valve
It is used to regulate supply of hot and cold water to shower, mixer etc. in concealed plumbing line.
Gate valve is full way valve which is inserted into a pipeline for controlling or stopping the flow of water. This valve offers low resistance to the flow of water. The valve is closed by turning hand wheel into clock wise direction. Nominal sizes of valves are 15 mm to 100 mm.
Ball valve is an automatic flow control device. Regulating principle is the level of some free water surface.
This valve is placed at the bottom of suction pipe of pump. This valve lets the water to enter suction pipe when it is opened and prevents the water from flowing back when it is closed.
Air Relief Valve
This valve is an integral part of a pool of pumping and filtration system. When the pump of pool pumps out water from the pool, the water is forced through a filter. Then the water is forced through air-relief valve.
Pressure Relief Valve
This valve protects pipe from sudden increase in pressure. It is a device attached with a boiler or other vessel for relieving the pressure of steam automatically before it becomes enough to cause burst.
Scour Valve or Washout Valve
This valve is used at valley point of a pipe line to clean pipe line.
Sluice Valve or Globe Valve
These valves are used to control the flow and for frequent operation. These are normally used in CI main line.
This valve contains a circular disc which rotates in the direction of flow in pipe. It is a type of flow control device that is used to regulate flow of fluid through a section of pipe. This valve is similar to ball valve in operation. A flat circular plate is fixed in the center of pipe.
Float Valve or Ball Cock
This valve is used in water tanks and cisterns to maintain constant water level and to prevent overflow. It is activated by means of a lever and float (ball). The rise and fall of ball controls the flow of water. This valve is generally made for high, medium and low pressure.
Bib cock/bib tap
A Bib cock/Bib tap is fitted horizontally to the pipe as in kitchen, bath etc. This valve is used to obtain water from direct water supply or from storage tank.
In construction of building or house like all other components, water supply is also very important part of building construction. If there is any short coming found in laying water supply line in the house, than this will create big problem both in functioning of house and leakage also damage the plaster, paint and structure.
To minimize the danger of blistering, risk of steam formation etc. Storage temperature of 60 degree C is recommended. This may be increased up to 65 degree C when soft water is used and the storage capacity is limited.
To get maximum ventilation and natural light in your house, make sure the building is properly oriented. Orientation of building saves energy and provides comfortable living as well. This article tells you about various factors and benefits of building orientation.
A solid roof on building is very important for everybody living in the house. The roof should be constructed in a way that assures you great safety. Here are given details about different types of roofing.
Frames of doors and windows are most important parts of your doors and windows. They are available in different size, height, width and shapes. Frames hold locks and hinges and support door and windows to shut and open easily. Here is what you need to know about different doors and windows frames.
Brick work is an important part of construction work done with the help of bricks and cement mortar. It is done with different quality of bricks with different ratios of cement mortar according to the requirement.
Are you remodeling your bathroom? Bathroom shower doors make your bathroom a style icon. Read the following article that will help you select the bathroom shower door that will exactly suit your bathroom.
Fine sand should consist of natural sand or crushed stone sand. It should be hard, durable, clean and be free from organic matter etc. and should not contain any appreciable amount of clay balls and harmful impurities such as alkalis, salts, coal, decayed vegetation etc.