Angle Storm Valve Offshore in Dubai
An Angle Storm valves (also known as scupper valves) are swing-check valves with a closing device. A closing device is usually a hand wheel, but it can as well as be actuated.
Angle Storm valves are generally found on ships for sanitary piping systems which have a ship-side exit and prevent seawater from entering the system during a sea trip. They are as well as used on overboard-discharge lines.
How Does an Angle Storm Valve Work?
When working with an Angle storm valve, you’ll notice that there are two openings, the inlet, and the outlet. Quite easily, fluid flows in through the inlet and out through the outlet. Inside the valve is a flap that is attached to a counterweight, and a locking block.
The locking block is the part of the valve that is controlled and operated by the external hand wheel or actuator.
The purpose of the locking block is to hold that flap in place ultimately preventing the flow of fluid. Once flow begins, the operator should choose whether to open the locking block or keep it closed. If the locking block were closed, the fluid will stay out of the storm valve.
If the locking block is opened by the operator, it can flow freely through the flap. The pressure of the fluid will release the flap, allowing it to travel through the outlet in a direction. When the flow stops, the flap will automatically return to its closed position.
Regardless of whether or not the locking block is in place, if flow comes through the outlet, the backflow will not be able to enter the valve due to the counterweight. This feature is identical to that of a check valve where backflow is prevented so that it will not contaminate the system. When the handle were lowered, the locking block will again secure the flap in its closed position.
The secured flap isolated the pipe for maintenance could necessary.
What’s more, The Valve is carefully polishing and tested before leaving the factory to ensure its performance.
Angle Storm valve has two functions, isolation and non-return. Generally consisting of a hand-operated or an actuated on/off system and a swing check valve. Storm valves are mainly found on ship sanitary systems having a ship-side exit.
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