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A ball valve is a handy shut-off tool. It controls the flow of gases, liquids, or vapors in pipes. It uses a round ball inside. Two seats hold the ball steady. A shaft links it to a handle or motor that moves it. The design lets you control flow exactly. When the ball’s hole lines up with the pipe, fluid flows through. When it’s turned sideways, the flow stops.
A gate valve is a device to let fluid flow or block it completely. Unlike ball valves, which turn a quarter circle, gate valves work by lifting or lowering a gate or wedge. They’re great for jobs needing full flow or total shut-off.
1. Body of Valve: The main frame that holds all parts.
2. Rotary Ball: A round piece with a hole in the middle. It lets fluid pass when lined up with the pipe.
3. Stem: Connects the ball to handles or motors outside.
4. Seats: Sit between the body and ball. They seal and support.
5. Power Source: Can be a handle for hand use or motors like electric or hydraulic ones.
6. Packing: Stops fluid from leaking around the stem.
7. Bonnet: Covers and holds the stem and packing.
Gate valves have these parts:
1. Valve Body: Holds all inner pieces.
2. Gate/Wedge: Moves up or down to control fluid.
3. Stem: Links the gate to outside controls like handwheels.
4. Handwheel: Lets you turn the valve by hand.
5. Bonnet: Covers and supports inner parts.
6. Gasket/Seal: Keeps leaks from happening.
7. Flange/Threaded Ends: Connects to pipes.
Ball valves use a round ball with a hole inside. The handle or motor turns 90 degrees one way to line up the hole with the pipe. This lets fluid flow. Turning it 90 degrees the other way blocks the flow.
Gate valves work by moving a gate up or down inside the body. You use a handwheel or threaded stem to do this. When fully open, fluid flows freely. When closed, the gate presses tight against the seat. This stops all flow.
Ball valves are awesome for liquids. They seal tightly. Gate valves handle both liquids and gases well.
Ball valve conditions are depend on their materiaL: stainless steel (-40°C to 220°C), PVC (-10°C to 60°C), and brass (-20°C to 60°C).
Gate valves work between -10°C and 120°C. They handle pressures up to 16 bar (232 psi). These make them good for low-pressure setups like water pipes.
Ball valves are constructed of various materials. PVC, brass, bronze, stainless steel, and chromium are utilized for producing ball valves.Nonetheless, each material possesses its own strength.
PVC offers flexibility and precision to the sections. Materials such as bronze and brass are corrosion-resistant. Applicable for low- or medium-pressure systems. However, brass valves are cheaper in contrast to steel ball valves. They are safe for potable water use. Ball valves made from stainless steel are more robust than other materials. However, chlorine is utilized in swimming pools and hydrocarbon refineries.
· Brass: Brass Gate Valve take pressures up to 16 bar. Brass resists rust well. This makes it a top pick for natural gas or clean water systems. They cost more than PVC but less than stainless steel.
· Stainless Steel: Stainless steel gate valves handle wider temperature and pressure ranges than brass or PVC. They’re used for liquids, gases, and vapors.
· Bronze: Bronze gate valves are strong and resist rust. They work in low-pressure jobs like water pipes or equipment lines. They handle pressures up to 300 psi (20 bar). Their temperature range is -20°C to 150°C.
How to keeping ball valves in good shape? In the first year, check for leaks. Every three months, open and close the handle. This stops scale buildup. Scale is hard stuff that can clog the valve and hurt equipment.
Gate valves need regular cleaning. This stops dirt, dust, or grime from piling up inside or outside.
Choosing between ball valves and gate valves depends on a few things:
1. Flow Capacity: Gate valves handle bigger flows. They come in larger sizes than ball valves.
2. Speed: Ball valves are fast. Their quarter-turn is great for emergencies. Gate valves are slower with multi-turns.
3. Sealing: Ball valves seal better. They’re good for jobs needing no leaks over time.
4. Pressure Suitability: Both handle high pressure. But gate valves are better where fast closing might cause water hammer.
5. Cost: Gate valves cost less at first. But they may need more fixes. Ball valves last longer but cost more upfront.
FLUIDO has been a top name in piping solutions since 1994. They’ve served over 35 countries for more than 20 years. FLUIDO makes high-quality steel valves, including ball and gate types. Every product is tested strictly to meet ISO9001 standards before shipping. Customers get great prices and reliable valves. Their products also meet European CE rules. Check out FLUIDO’s catalog today for piping solutions that fit your needs perfectly!
