This depends what shut off valve is in question here. Where the leak is and what type of material is the shut off valve made of.
If the valve is a multi turn valve, it is because the valve seat is no longer good. Replace the valve. It it is a quarter turn valve, it is because the mechanism that turns the ball is no good and the valve does not turn completely shut. once again, replace the valve.
the hot water valve shut off valve shuts off the hot water. The cold water valve shuts off the cold water. ;()
What to use to solder a shut off valve
An air-intake engine shut-off valve regulates air-flow to the motor, and operates as an emergency shut-off valve. There are also shut-off valves on water hoses, so shut-off valves really control the inflow of any liquid or gas.
where is the fuel shut-off valve on a 1998 4 runner?
The shut off valve.
No, a carbon monoxide detector and a gas shut off valve serve different purposes and are not typically combined into a single device. A carbon monoxide detector is used to alert occupants of the presence of carbon monoxide gas, while a gas shut off valve is used to manually or automatically shut off the flow of gas in case of a leak or emergency.
It doesn't need a shut off valve. In fact only Ford Motor Company installs fuel shut off valves in their cars.
Perhaps a vacuum leak check power brake booster and check valve at booster
shut off valve filters in tank stopped up or the valve is bad.
If a flame is present with the gas valve off, it indicates a potential issue with the gas control valve or a gas leak. In this situation, it is important to immediately shut off the gas supply, ventilate the area, and contact a qualified technician to inspect and repair the gas appliance.
A gate valve is positive shut off and used for on of off . A globe valve is for throttling