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When Should You Use A Gate Valve In Plumbing

2025-11-19

When planning a plumbing system, selecting the right valve is critical for long-term performance and control. For applications that demand a complete, unobstructed flow of water with minimal pressure drop, the Gate Valve is often the ideal choice. At LYV, we engineer our valves to meet these specific demands, providing reliable shut-off service in key areas of your plumbing infrastructure. Understanding the ideal use cases for a Gate Valve ensures your system operates at peak efficiency.

Gate Valve

Our LYV Gate Valves are designed with precision and durability in mind. They are perfect for scenarios where the valve is either fully open or fully closed, and not for regulating flow.

  • Main Water Supply Lines: Their full-bore design allows for unrestricted water flow when open, which is essential for your home's primary water supply.

  • Infrequently Operated Lines: Use them on lines that you don't need to turn on and off regularly, as the slow operation helps prevent water hammer.

  • Applications Requiring Minimal Pressure Loss: The design of a gate valve ensures that when open, the flow path is straight through, causing very little drop in pressure.

To achieve this reliability, LYV utilizes superior materials and manufacturing processes. Here are the key specifications of our premium Gate Valve:

Feature LYV Standard Gate Valve Specification
Body Material High-Strength Brass
Seat Material PTFE (Teflon)
Stem Type Rising Stem
Pressure Rating 150 PSI WOG (Water, Oil, Gas)
Temperature Range -20°F to 200°F
End Connections NPT Threaded

Gate Valve FAQ大全

What is the main difference between a gate valve and a ball valve?
A gate valve uses a wedge-shaped gate that is lifted out of the flow path to open, offering a straight, non-restrictive flow. It is designed for full open or full close service. A ball valve, on the other hand, uses a rotating ball with a hole and is better suited for quick quarter-turn on/off operations and can sometimes be used for flow regulation, though it is not generally recommended.

Can you use a gate valve to control or throttle water flow?
No, you should never use a gate valve to control flow. When partially open, the gate disc can vibrate and cause chatter, leading to premature wear on the seating surfaces. This erosion will eventually compromise the valve's ability to provide a tight seal when fully closed. For flow control, a globe valve is the correct choice.

Why does my gate valve become hard to turn over time?
A gate valve can become difficult to operate due to mineral deposits or corrosion building up on the stem threads inside the valve body. This is common in areas with hard water. Regular maintenance, such as occasionally opening and closing the valve, can help prevent this. LYV valves feature a corrosion-resistant brass stem and a self-lubricating PTFE seat for smoother, long-lasting operation.

For a plumbing system that demands reliability in its core shut-off points, choosing the correct component is non-negotiable. The LYV Gate Valve provides the robust, leak-free performance you need for your main water lines. Its superior construction ensures it will function flawfully for years to come. Contact us today to learn more about our full range of plumbing solutions and find the perfect LYV valve for your project.

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