Ball Valves
About
Rendifield Ball valves are versatile devices used in systems that handle water, oil, and gas, providing a quick and reliable means of controlling flow and isolation. They are known for their durability, simple design, and ability to handle high pressures and temperatures.
Diagram of a Ball Valve:
- Body: The main housing of the valve, providing a space for the ball to rotate.
- Ball: A spherical element with a hole drilled through it, used to control flow.
- Seats: Located at the valve’s inlets and outlets, they provide a tight seal when the valve is closed.
- Handle: A lever or wheel used to rotate the ball and control the valve’s open/closed position.
- Stem: A shaft that connects the handle to the ball, allowing rotation.
How it Works:
1. Open Position: When the handle is turned to align the hole in the ball with the pipe’s flow path, the valve is open, allowing fluid to pass.
2. Closed Position: Rotating the handle 90 degrees to make the hole perpendicular to the pipe’s flow path closes the valve, stopping the fluid flow.
3. Sealing: The ball’s contact with the valve seats creates a tight seal when the valve is closed.
Key Features and Applications:
- Quick Shut-off: Ball valves can be opened or closed with a 90-degree turn of the handle, making them ideal for quickly isolating or starting flow.
- Robust Sealing: The spherical ball and its sealing surfaces provide a tight shut-off, preventing leaks.
- Versatility: Ball valves are used in various industries, including oil and gas, chemical processing, and water management.
- Durability: They are designed to withstand high pressures and temperatures, making them suitable for demanding applications.
More ball valves
Screwed ball valves F/F (Brass)
- Features: Screwed BSPP threads, full bore design, nickel-plated body, Blue steel lever handle
- Pressure Ratings: Max working pressure 25 Bar (360 psi)
- Temperature Range: 0°C – 120°C
- Suitable for: Water & Oil
Full Bore Ball Valves – BSP M/F (Brass)
- Thread Type: BSPP (parallel) male/female
- Features: Nickel-plated brass body, chrome-plated brass ball, PTFE seats, anti blow-out stem
- Pressure Rating: Up to 50 bar
- Temperature Range: -20°C to 160°C
- Approvals: WRAS approved for potable water
Chrome plated gas ball valve (Brass)
- Type: Gas ball valve
- Material: Forged brass with chrome plating
- Connection: 1/2" Flare x 1/2" Female
Stainless Steel reduced ball valve
- A reduced bore (Red) (or standard port) ball valve has a smaller internal bore than the pipe, slightly restricting flow and causing a minor pressure drop. It's ideal for applications where full flow isn't needed, offering a more compact and cost-effective solution.
- Material: 316 Stainless Steel is preferred for its superior corrosion resistance.
- Pressure Rating: Commonly rated up to 1000 PSI (PN63), but always verify based on application requirements.
- Temperature Range: Typically suitable for temperatures from -25°C to 180°C, depending on the specific valve.
- Connection Type: Available in various thread types, including BSP, NPT, and flanged connections.
- Handle Design: Lever handles with locking mechanisms are common for safety and ease of operation.
S/S full bore ball valve 3 pce lockable scr
- Material: Constructed from 316 stainless steel for excellent corrosion resistance and durability.
- Design: Three-piece body allows for easy maintenance and cleaning without removing the entire valve from the pipeline.
- Full Bore: Ensures unrestricted flow, minimizing pressure drop across the valve.
- Lockable Handle: Provides added safety by preventing unauthorized operation.
- Pressure Rating: Typically rated up to 1000 PSI (WOG), suitable for high-pressure applications.
- Connections: Available with various end connections, including BSP, NPT, socket weld, and butt weld.
- Temperature Range: Operates effectively in a wide temperature range, often from -20°C to 180°C.
1Pce Stainless steel ball valve lockable
- Material: Constructed from 316 stainless steel (CF8M) for excellent corrosion resistance and durability.
- Design: One-piece body with a reduced bore, ensuring compactness and strength.
- Pressure Rating: Typically rated up to 1000 PSI (69 Bar) WOG (Water, Oil, Gas).
- Temperature Range: Operates effectively between -20°C to 200°C.
- Connections: BSP threaded ends conforming to BS21 standards.
- Handle: Lever-operated with a lockable mechanism for safety and control.
- Sealing: Equipped with PTFE seats and seals for reliable performance.