Large Gate Valve
The Application of Large Gate Valve
Large Gate Valves, like the Rotork Large Gate Valve and Cameron Large Gate Valve, are vital components in industrial applications. These valves, such as the barton 247c, are designed to regulate the flow of fluids in pipelines, including water, oil, and gas. They’re commonly used in various industries, including oil and gas, petrochemical, and water treatment. Large Gate Valves provide reliable shutoff and control, ensuring safe and efficient operation of pipelines. In residential settings, they can serve as shower shut off valves, controlling water flow for showers and other fixtures. With robust construction and precise engineering, these valves offer durability and longevity, making them indispensable in critical industrial processes.
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What Is Gate Valve？
A gate valve is a type of valve used to control the flow of fluid in a pipeline. It consists of a gate or wedge-shaped disc that moves perpendicular to the flow of the fluid to either block or allow passage. When the gate is lifted, the valve is open, allowing fluid to flow through the pipeline. Conversely, when the gate is lowered, the valve is closed, stopping the flow of fluid. Gate valves are commonly used in various industries, including oil and gas, water treatment, and manufacturing, due to their ability to provide tight shutoff and minimal flow restriction.
Features of Large Gate Valve
- Sizes: Available in 30″ and 36″ sizes.
- Flange Ends: Conform to ASME B16.10 standards.
- Double Disc Parallel Seat: Features a four-point wedging mechanism for better sealing.
- Non-Rising Stem (NRS) & OS&Y: Uses a non-rising stem design with an Outside Screw and Yoke mechanism.
- 2″ Square Wrench Nut: Allows for easy operation with either left or right-hand turning.
- Maximum Working Pressure: Rated for a maximum working pressure of 150 PSIG (1000 kPa/10 barg).
- Test Pressure: Tested at 300 PSIG (2100 kPa/21 barg) to ensure durability and safety.
- Designed for Potable Water Applications: Suitable for use in applications involving potable water, ensuring safety and compliance.
The Specifications of Large Gate Valve
| Specification | Description |
|---|---|
| Type | Large Gate Valve |
| Ball Material | Not Applicable |
| Attachment Type | Flange Ends |
| Thread Standard | ASME B16.10 |
| Thread Size | Not Applicable |
| Body Material | Not Specified (Assumed to be suitable for potable water applications) |
| Safe for Use With | Potable Water |
| Handle Type | 2″ Square Wrench Nut |
| Handle Material | Not Applicable |
| Maximum Working Pressure (psi) | 150 PSIG |
| Maximum Working Pressure (bar) | 10 barg |
| Operating Pressure | Not Specified |
The Parameter of Large Gate Valve
- Size Options: Available in sizes 30″ and 36″.
- Flange Ends: Compliant with ASME B16.10 standards.
- Valve Design: Features a double disc parallel seat with a four-point wedging mechanism.
- Stem Type: Non-rising stem (NRS), also known as Outside Screw and Yoke (OS&Y).
- Handle Design: Equipped with a 2″ square wrench nut, operable for both left and right openings.
- Maximum Working Pressure: Capable of handling pressures up to 150 PSIG (1000 kPa/10 barg).
- Test Pressure: Tested up to 300 PSIG (2100 kPa/21 barg) to ensure reliability and safety.
- Application: Specifically designed for use in potable water applications.
The Operation Theory of Large Gate Valve
The operation theory of a Large Gate Valve involves a straightforward mechanism. When the valve is in the closed position, the gate seals against the seats to stop the flow of fluid. To open the valve, the handle is turned, which moves the gate upwards, allowing fluid to pass through the valve. The balancing valve symbol ensures optimal flow control and pressure regulation. Components like the barton 200as and itt barton 288c contribute to accurate monitoring and adjustment of flow rates. In a shower system, the valve serves as a crucial component, often concealed behind a shower valve cover plate for protection and aesthetics.
The Parameters Table of Large Gate Valve
| Parameter | Specification |
|---|---|
| Type | Large Gate Valve |
| Body Material | Stainless Steel or Carbon Steel |
| Seat Material | Stainless Steel or Carbon Steel |
| Stem Material | Stainless Steel or Carbon Steel |
| Disc Material | Stainless Steel or Carbon Steel |
| Flange Material | Stainless Steel or Carbon Steel |
| Bolting Material | Stainless Steel or Carbon Steel |
| Seal Material | Nitrile Rubber or EPDM |
| Gasket Material | Graphite or PTFE |
| Operation Type | Manual or Actuated |
| Maximum Working Pressure | Varies based on size and material (e.g., 150 PSIG) |
| Thread Standard | ASME B16.10 or equivalent |
| Thread Size | Varies based on valve size (e.g., 30″ or 36″) |
| Safe for Use With | Potable Water and Various Industrial Applications |
