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China Suppliers Factory Stock Flange End Gate Valves 2-14 Carbon Steel or Stainless Steel for Fast Delivery
Products Specification
| Type | Gate Valve |
| Size | 2”-14“ |
| Pressure | 150LB |
| Connection | Flange End |
| Operation | Hand Wheel or Bevel Gear Box |
| Body Material | WCB/CF8M |
| Design Standard | API600 |
| FTF Dimension Standard | ASME B16.10 |
| Flange Dimension Standard | ASME B16.5 |
| Test Standard | API598 |
| Application | W.O.G |
Features
1. Shut-off Function
Gate valves are primarily used for on/off control rather than flow regulation. They are designed to either fully open or fully close the flow path.
2. Linear Motion
The gate (a flat or wedge-shaped disk) moves up and down in a straight line to control the flow. When the gate is lifted, the valve is open; when the gate is lowered, the valve is closed.
3. Full Bore Design
In the fully open position, gate valves provide a full bore, allowing for minimal pressure drop and unrestricted flow. This feature makes them suitable for applications where pressure drop needs to be minimized.
4. Bidirectional Flow
Gate valves can be used in both directions, meaning they can control flow from either side.
5. Tight Sealing
When fully closed, gate valves provide a tight seal, preventing any leakage. They are suitable for applications where tight shut-off is required.
6. Low Flow Resistance
Due to their full bore design and straight-through flow path, gate valves have low flow resistance when fully open.
7. Wide Range of Sizes
Gate valves are available in a wide range of sizes, making them suitable for various applications, from small residential plumbing to large industrial systems.
8. Material Versatility
Gate valves can be made from various materials, including cast iron, steel, stainless steel, bronze, and plastic, allowing them to be used in different environments and with different fluids.
9. Types of Gate
Gate valves can have different types of gates, such as wedge, parallel, knife, or slab gates, depending on the application and required sealing performance.
10. Not Ideal for Throttling
Gate valves are not recommended for throttling (partially open) applications because the gate can become damaged due to the high flow velocity and turbulence created when the valve is partially open.
11. Slow Operation
Gate valves typically require more time to operate compared to other types of valves, such as ball valves, because the gate must move a significant distance to fully open or close.
12. Applications
Gate valves are commonly used in water supply systems, oil and gas pipelines, chemical processing, and other applications where a full flow and low flow resistance are important.
Application
1. Water Supply System
Commonly used in water distribution systems for residential, commercial, and industrial buildings. They control water flow and can isolate sections for maintenance.
2. Oil and Gas Industry
Used in pipelines to transport crude oil, natural gas, and refined products. Suitable for high-pressure and high-temperature applications.
3. Chemical Processing
Used in chemical plants to handle a variety of chemicals and fluids, including corrosive and hazardous substances.
4. Power Generation
Essential for controlling and isolating flow in steam, cooling water, and fuel supply systems under high-pressure and high-temperature.
5. Wastewater Treatment
Employed in wastewater treatment plants to control the flow of sewage and treated water in both influent and effluent systems.
6. Mining Industry
Used to control the flow of slurries, tailings, and other abrasive fluids. Chosen for their durability and high-volume capacity.
7. Petrochemical Industry
Used to manage the flow of various petrochemical products and by-products across a wide range of temperatures and pressures.
8. Pharmaceutical Industry
Used in manufacturing processes where sterile and clean conditions are required to control the flow of fluids and gases.
9. Food and Beverage Industry
Selected for their sanitary design and ease of cleaning to control the flow of food-grade liquids, such as juices and dairy products.
10. Marine and Shipbuilding
Designed to withstand harsh marine environments for controlling ballast water, fuel, and other fluid systems on ships.
11. Fire Protection Systems
Installed as isolation valves in fire protection systems, such as sprinkler systems, to control and shut off sections for maintenance.
12. HVAC Systems
Used to regulate the flow of water or steam in heating, ventilation, and air conditioning systems.
13. Irrigation Systems
Commonly used in agricultural irrigation systems to control the distribution of water to fields and crops.
Technical Drawing
Technical Drawing Details
Frequently Asked Questions
What standards do these gate valves comply with?
These gate valves are designed in accordance with the API600 standard. The face-to-face dimensions comply with ASME B16.10, the flange dimensions adhere to ASME B16.5, and they undergo testing based on the API598 standard.
Can these gate valves be used for regulating or throttling flow?
No, gate valves are not recommended for throttling (partially open) applications. They are designed for full isolation (fully open or fully closed). Operating them in a partially open state can cause damage to the gate and seats due to high-velocity flow and turbulence.
What body materials are available for these gate valves?
The standard body materials offered are WCB (Cast Carbon Steel) and CF8M (Cast 316 Stainless Steel), which provide excellent versatility and durability for various industrial environments.
What sizes and pressure ratings are supported?
These gate valves are available in sizes ranging from 2 inches to 14 inches, with a pressure rating of 150LB. They are suitable for a wide range of low to medium pressure systems.
What type of operation methods are available?
They can be operated manually using either a Hand Wheel or a Bevel Gear Box, depending on the valve size and ease of operation required for your piping system.
What media are these gate valves suitable for?
These valves are designed for W.O.G (Water, Oil, and Gas) applications. They are widely used in municipal water supply, petrochemical processing, power plants, and wastewater treatment systems.