It's a valve that regulates the main water pipe.
To shut off the main water valve in your home, locate the valve typically near the water meter or where the main water line enters your house. Turn the valve clockwise to close it and stop the flow of water into your home.
In boiler feed water line the NRV is normally installed between Pump and stop valve if the line is short and an another NRV is installed at boiler entrance and after stop valve if the line is long or pump is 10 to 15 m away from the boiler.
To shut off the main water valve in case of an emergency, locate the valve typically near the water meter or where the main water line enters your home. Turn the valve clockwise to close it and stop the flow of water.
A gate valve in a water main system controls the flow of water by opening or closing a gate inside the valve. It is used to stop or regulate the flow of water in the system.
There should be shut off valve called an angle stop towards the floor on the left side of your toilet. If you shut this valve by turning it clockwise this will stop the feed of water to the tank of your toilet.A:Your float valve may be defective or worn out
The valve seat or washer on the main valve are not seating/sealing properly.
After turning off the main valve, it typically takes a few minutes for water to stop flowing completely. The time can vary depending on the size of the plumbing system and the water pressure.
To shut off the water valve in case of an emergency, locate the main water shut-off valve in your home, typically found near the water meter or where the main water line enters the house. Turn the valve clockwise to close it and stop the flow of water.
It is a stop valve placed on an auxiliary piece of equipment. Or it could be placed at the steam main to feed an auxiliary steam system (heating, auxiliary pumping. etc.). It is not the Main steam stop for the boiler or the prime mover (engine, turbine, process), it is for a secondary service.
To shut off the water to your house, locate the main water shut-off valve, usually found near the water meter or where the main water line enters your home. Turn the valve clockwise to close it and stop the water flow.
If there is no valve available to turn off the water to your toilet, you can shut off the main water supply to your house to stop the flow of water to the toilet. This can usually be done by locating the main water shut-off valve, which is typically located near the water meter or where the main water line enters your home. Turning this valve clockwise will shut off the water supply to your entire house, including the toilet.
To turn off water in an emergency, locate the main shut-off valve typically found near the water meter or where the main water line enters your home. Turn the valve clockwise to close it and stop the flow of water.