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Gate valves are a type of valve used to control the flow of fluids in piping systems. They operate by lifting a gate out of the path of the fluid, allowing for full flow when open and minimal pressure drop. Typically made from materials such as cast iron, stainless steel, or brass, gate valves are designed for on/off service rather than throttling. They are commonly used in applications where a straight-line flow of fluid and minimum restriction is desired.
| Material | Cast iron, stainless steel, brass |
| Pressure rating | Up to 600 psi |
| Size range | 1/2 inch to 36 inches |
| Temperature range | -20°F to 400°F |
| End connections | Flanged, threaded, welded |
When selecting a gate valve, consider the material compatibility with the fluid being handled, as well as the pressure and temperature requirements of your system. It's important to specify the size and end connection type to ensure proper fit within your piping system. Additionally, inquire about certifications and standards relevant to your industry, such as API or ANSI ratings, to ensure compliance with safety and performance regulations.
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The primary function is to start or stop fluid flow in a piping system.
Gate valves are not recommended for throttling as they are designed for full flow.
Common materials include cast iron, stainless steel, and brass.
Gate valves are available in sizes ranging from 1/2 inch to 36 inches.
Consider the fluid type, pressure, temperature, size, and connection type.
Common end connections include flanged, threaded, and welded.