A determining tool for operating the flow of gas , liquid ,steam or oil in a pipeline is known as trunnion ball valve. It is connected and focalised inside the valve body with both the top shaft ,the valve system ,the bottom shaft and the trunnion. A trunnion ball valve is a type of ball valve where the ball is fixed in place by trunnions, which are supports or shafts that help hold the ball steady. This design contrasts with floating ball valves, where the ball is not supported and floats between the seats.
Function
● Flow Control: The trunnion ball valve is used to control the flow of fluids through a pipe. It features a spherical ball with a hole (or port) through the middle, which rotates to open or close the flow path. When the ball’s port is aligned with the flow, the valve is open; when it’s perpendicular to the flow, the valve is closed.
Advantage
– It is ideal for high pressure applications
– Spring loaded seats
– It has low operational cost
– Available in wise range of sizes and material which makes it versatile
– It is low maintenance
– It has more durability
– It has reliable shut off
Industries using
– Oil and gas
– Chemical
– Water treatment
– Petrochemical
– Power generation
Components
– Body: The body is typically made of carbon steel or stainless steel.
– Ball: The ball starts or stops the flow of fluid or gas in the valve
– Stem: Controls the position of the ball and connects the actuator to the ball so they move together.
– Trunnion: An additional shaft that supports the ball and prevents it from moving from below, allowing for stability and controlled rotation.
– Bearing: Reduce friction and allow the ball to rotate smoothly within the valve body.
Description
1. Body Material: Cast steel (WCB, WCC, WC6, LCC, LCB), Stainless steel (SS316, SS304, F51, F55, CF8, CF8M), Titanium.
2. Size: 2” to 48”
3. Class: 150 to 2500; PN16 to PN450
4. Ends: Buttweld Trunnion Ball Valve, Socketweld Trunnion Ball Valve, Flanged Trunnion Ball Valve.
5. Operations: Gear Operated, Electric Actuated, Pneumatic actuated
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