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 |
Feature
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.
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.
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.
Bidirectional Flow
Gate valves can be used in both directions, meaning they can control flow from either side.
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.
Low Flow Resistance
Due to their full bore design and straight-through flow path, gate valves have low flow resistance when fully open.
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.
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.
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.
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.
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.
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
Water Supply System
Gate valves are commonly used in water distribution systems for residential, commercial, and industrial buildings. They control water flow and can isolate sections of a water supply network for maintenance and repairs.
Oil and Gas Industry
In the oil and gas sector, gate valves are used in pipelines to transport crude oil, natural gas, and refined products. They are suitable for high-pressure and high-temperature applications and provide reliable shut-off capabilities.
Chemical Processing
Gate valves are used in chemical plants to handle a variety of chemicals and fluids, including corrosive and hazardous substances. Their ability to provide a tight seal and full bore flow makes them ideal for these applications.
Power Generation
In power plants, gate valves are used in various systems, including steam, cooling water, and fuel supply. They are essential for controlling and isolating flow in high-pressure and high-temperature environments.
Wastewater Treatment
Gate valves are employed in wastewater treatment plants to control the flow of sewage and treated water. They are used in both influent and effluent systems and can handle large volumes of fluid.
Mining Industry
Gate valves are used in mining operations to control the flow of slurries, tailings, and other abrasive fluids. They are often chosen for their durability and ability to handle high-pressure and high-volume applications.
Petrochemical Industry
In petrochemical facilities, gate valves are used to manage the flow of various petrochemical products and by-products. They are suitable for handling a wide range of temperatures and pressures.
Pharmaceutical Industry
Gate valves are used in pharmaceutical manufacturing processes where sterile and clean conditions are required. They help control the flow of fluids and gases in production lines.
Food and Beverage Industry
Gate valves are used in the food and beverage industry to control the flow of liquids, such as juices, dairy products, and other food-grade fluids. They are selected for their sanitary design and ease of cleaning.
Marine and Shipbuilding
Gate valves are used on ships and marine vessels for controlling ballast water, fuel, and other fluid systems. They are designed to withstand harsh marine environments.
Fire Protection Systems
Gate valves are used in fire protection systems, such as sprinkler systems, to control the flow of water. They are often installed as isolation valves to shut off sections of the system for maintenance.
HVAC Systems
In heating, ventilation, and air conditioning (HVAC) systems, gate valves are used to regulate the flow of water or steam in heating and cooling systems.
Irrigation Systems
Gate valves are used in agricultural irrigation systems to control the flow of water to fields and crops.
Technical Drawing
Technical Drawing
Frequently Asked Questions
What are the primary applications of these gate valves?
These gate valves are widely used in W.O.G (Water, Oil, and Gas) applications, including water supply systems, oil and gas pipelines, chemical processing, power generation, wastewater treatment, and HVAC systems.
Can these gate valves be used for regulating or throttling fluid flow?
No, gate valves are not recommended for throttling or flow regulation. They are designed for full shut-off (fully open or fully closed) services. Partially opening the valve can cause damage to the gate due to high-velocity flow and turbulence.
What standards do these gate valves comply with?
Our gate valves conform to industry-standard specifications: API600 for design, ASME B16.10 for face-to-face dimensions, ASME B16.5 for flange dimensions, and API598 for testing.
What materials are available for the valve body?
The standard body materials available are WCB (Cast Carbon Steel) and CF8M (Cast Stainless Steel 316), providing excellent durability and corrosion resistance for different media and environments.
What options are available for operating these gate valves?
Depending on the size and pressure requirements, the gate valves can be operated manually using a Hand Wheel, or equipped with a Bevel Gear Box for easier operation on larger sizes.