API6D Carbon Steel Slab Gate Valve 10 150LB Soft Seat Sealing - China Suppliers and Factory for High-Pressure Applications
Products Specification
| Type | Through Conduit Gate Valve |
| Size | 10“ |
| Pressure | 150LB |
| Connection | Flange End |
| Operation | Hand Wheel |
| Body Material | WCB |
| Design Standard | API6D |
| FTF Dimension Standard | ASME B16.10 |
| Flange Dimension Standard | ASME B16.5 |
| Test Standard | API598 |
| Application | W.O.G |
Feature
Slab gate valves have a through-conduit design, which means that when the valve is fully open, the gate is completely out of the flow path. This results in minimal pressure drop and allows for full bore flow, reducing turbulence and erosion.
The gate in a slab gate valve is a flat, solid piece, typically made from metal. This simple design provides a reliable sealing surface and minimizes the risk of jamming or damage.
Slab gate valves can have either floating or fixed seats. Floating seats can move slightly to maintain contact with the gate, ensuring a tight seal even under varying pressure conditions. Fixed seats are secured to the valve body and provide a stable sealing surface.
Slab gate valves provide bidirectional sealing, meaning they can effectively seal against flow from both directions. This feature makes them versatile and suitable for use in systems where flow direction can change.
The design of the slab gate valve allows for self-cleaning action. As the gate moves, it tends to push any debris or particulates away from the sealing surfaces, reducing the risk of damage or leakage.
Compared to other types of gate valves, slab gate valves generally require lower operating torque. This makes them easier to operate, especially in larger sizes or in automated systems.
Slab gate valves are capable of handling high-pressure and high-temperature applications, making them ideal for use in industries like oil and gas, petrochemicals, and power generation.
The through-conduit design helps minimize the risk of cavitation, a phenomenon where vapor bubbles form and collapse in the fluid, potentially causing damage to the valve and pipeline.
Many slab gate valves are designed to be fire-safe, meaning they can maintain a seal even in the event of a fire. This is achieved through special materials and design features that prevent leakage in extreme conditions.
The robust design and materials used in slab gate valves make them suitable for handling dirty, abrasive, or corrosive fluids. They are often used in pipelines that transport crude oil, natural gas, and other harsh substances.
The slab gate valve provides a positive shut-off, ensuring that there is no flow when the valve is in the closed position. This is particularly important in applications where zero leakage is required.
The straightforward design of slab gate valves allows for relatively easy maintenance. The gate and seats can often be accessed and replaced without removing the valve from the pipeline.
Application
Slab gate valves are widely used in oil and gas pipelines to control the flow of crude oil, natural gas, and refined products. Their through-conduit design ensures minimal pressure drop and efficient flow, making them ideal for long-distance transportation.
In upstream oil and gas operations, slab gate valves are used in wellhead assemblies and other equipment to manage the flow of hydrocarbons. They can handle high pressures and abrasive conditions often encountered in these settings.
Slab gate valves are utilized in refineries and petrochemical plants for isolating and controlling the flow of various hydrocarbons and chemicals. They are suitable for handling a wide range of temperatures and pressures.
In gas processing plants, slab gate valves are used to manage the flow of natural gas and its by-products. They provide reliable shut-off and are suitable for high-pressure applications.
Slab gate valves are used in storage facilities, such as tank farms, to control the flow of liquids and gases into and out of storage tanks. Their bidirectional sealing capability is useful in managing flow from either direction.
In thermal power plants, slab gate valves are used in high-pressure steam and water systems. They provide reliable shut-off and can handle the high temperatures and pressures typical in power generation applications.
Slab gate valves are also used in nuclear power plants, where robust and reliable valve performance is critical for safety and operational efficiency.
Slab gate valves are employed in chemical processing plants to control the flow of various chemicals, including corrosive and hazardous substances. Their ability to provide a tight seal is crucial for preventing leaks and ensuring safe operation.
In pharmaceutical plants, slab gate valves are used to manage the flow of process fluids and gases, ensuring cleanliness and preventing contamination.
Slab gate valves are used in water distribution systems to control and isolate the flow of potable water. Their full bore design minimizes pressure loss and allows for efficient flow.
In wastewater treatment facilities, slab gate valves are used to handle sewage and treated water. They can manage the flow of solids-laden fluids and are resistant to clogging.
Slab gate valves are used in mining operations to handle slurries and abrasive fluids. Their robust design and ability to provide a tight shut-off make them suitable for these harsh conditions.
Slab gate valves are used on offshore oil and gas platforms for various applications, including wellhead control and pipeline transportation. They are designed to withstand harsh marine environments.
In shipbuilding, slab gate valves are used in various fluid systems, such as ballast water management, fuel oil systems, and fire protection systems.
Slab gate valves are suitable for applications that involve high pressures and temperatures, such as steam systems, because of their durability and sealing capabilities.
Technical Drawing
Dimension Test
Pressure Testing
Frequently Asked Questions
A through conduit gate valve, also known as a slab gate valve, is designed with a flat, single-piece gate that moves linearly. When fully opened, the gate aligns with the bore to create a continuous, unobstructed flow path, minimizing pressure drop and turbulence.
This valve is designed according to the API6D standard. Its face-to-face dimensions comply with ASME B16.10, flange dimensions comply with ASME B16.5, and it is tested in strict accordance with the API598 standard.
Yes, slab gate valves provide bidirectional sealing, allowing them to effectively seal and prevent leakage against flow coming from either direction in a piping system.
The valve body is constructed from WCB (Cast Carbon Steel), making it highly durable for W.O.G (Water, Oil, and Gas) applications, particularly in high-pressure and high-temperature environments.
Slab gate valves feature a self-cleaning mechanism. As the flat gate slides across the seats, it naturally pushes debris and particulates away from the sealing surface, reducing the risk of clogging, wear, and leakage.