Cast Iron Wafer 4 inch butterfly valve

The 4 inch butterfly valve is a rotary type shut-off valve designed for flow control applications requiring a valve diameter of 4 inches (approximately 100 mm). 4 inch butterfly valves provide quick, quarter turn operation from fully open to closed position.

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Description

4 inch butterfly valve Description

A 4 inch butterfly valve is a valve that is used to control the flow of fluid in a pipe. It is a quarter-turn valve, meaning that it can be opened or closed by rotating the disk a quarter of a turn.The disk of a butterfly valve is a circular plate that is mounted on a shaft. The shaft is connected to an actuator, which is used to open or close the valve. When the actuator is turned, the disk rotates and either blocks or allows the flow of fluid.

When the actuator is turned, the disk rotates 90 degrees (a quarter turn) to either fully open or fully close the valve. In the open position, the disk is perpendicular to the flow of fluid, allowing the fluid to flow freely through the pipe. In the closed position, the disk is parallel to the flow of fluid, blocking the flow of fluid through the pipe.

4 inch butterfly valve

Butterfly valves are a popular choice for controlling the flow of fluid in a variety of applications, including:

Water and wastewater treatment plants

   •  Power plants

     •  Chemical plants

     •  Petroleum refineries

     •  Pulp and paper mills

     •  HVAC systems

     •  Irrigation systems

     •  Fire protection systems

Butterfly valves are a good choice for these applications because they are:

     •  Compact and lightweight

     •  Easy to install and maintain

     •  Durable and can withstand high pressures and temperatures

     •  Available in a variety of sizes and materials

     •  Relatively inexpensive

If you are looking for a reliable and affordable valve for controlling the flow of fluid, a 4-inch butterfly valve is a great option.

Here are some of the additional benefits of using a 4-inch butterfly valve:

     •  Low pressure drop

•  Tight shutoff

•  Bidirectional flow

Butterfly valves are also a good choice for applications where:

     •  Frequent opening and closing is required

     •  Remote operation is required

     •  Space is limited

4 inch butterfly valve specification

Specification Value
Size 4 inches
Body material Cast iron, steel, stainless steel, ductile iron, plastic
Disk material Cast iron, steel, stainless steel, plastic
Seat material EPDM, PTFE, Neoprene, Viton
Pressure rating 150 psi, 300 psi, 600 psi, 1000 psi
Temperature rating -40°F to 450°F
Flow coefficient 0.5 to 10
Flow capacity 100 to 1000 GPM
Actuator Handwheel, pneumatic, electric
Mounting Threaded, flanged, wafer

4 inch butterfly valve Features:

     •  Compact design: 4 inch butterfly valves take up very little space and can easily be installed in tight areas.

     •  Lightweight: 4 inch butterfly valves are made from lightweight materials, making them easy to transport and install.

     •  Durable: 4 inch butterfly valves are built to last and can withstand high pressures and temperatures.

     •  Easy to operate: 4 inch butterfly valves can be operated manually or with an actuator.

     •  Low maintenance: 4 inch butterfly valves require very little maintenance.

     •  Versatile: 4 inch butterfly valves can be used in a variety of applications, including water and wastewater treatment, power generation, chemical processing, and oil and gas production.

     •  Cost-effective: 4 inch butterfly valves are a cost-effective solution for controlling the flow of fluids.

Here are a few other features of 4 inch butterfly valves:

     •  Quarter-turn operation: 4 inch butterfly valves can be opened or closed with a quarter-turn of the valve handle.

     •  Wafer-style: 4 inch butterfly valves are typically wafer-style, meaning that they are installed between two flanges.

     •  Variety of materials: 4 inch butterfly valves are available in a variety of materials, including cast iron, ductile iron, stainless steel, and plastic.

     •  Variety of sizes: 4 inch butterfly valves are available in a variety of sizes, from 2 inches to 12 inches.

In addition to these features, 4 inch butterfly valves can also be equipped with a variety of accessories, such as position indicators, limit switches, and solenoid valves.

4 inch butterfly valves are a versatile and reliable solution for controlling the flow of fluids in a variety of applications. They are compact, lightweight, durable, easy to operate, and low-maintenance. They are also cost-effective and available in a variety of materials and sizes.

4 inch butterfly valve Advantages:

     1. Compact Design and Lightweight Construction: 4-inch butterfly valves feature a compact and lightweight design, allowing for easy installation and minimal space consumption. This makes them ideal for applications where space is limited, such as in crowded piping systems or tight-fitting enclosures.

     2. Quarter-Turn Operation: Unlike globe or ball valves that require multiple turns for full opening or closure, 4-inch butterfly valves operate with a simple quarter-turn motion. This quick and effortless operation saves time and effort, particularly in situations where frequent valve adjustments are required.

     3. Low-Pressure Drop: Butterfly valves are designed to minimize pressure drop across the valve, ensuring efficient flow and reducing energy consumption. This is particularly beneficial in high-flow applications where pressure drop can significantly impact system efficiency.

     4. Bidirectional Flow Capability: Many 4-inch butterfly valves can handle flow in both directions, eliminating the need for separate valves for each direction of flow. This versatility simplifies system design and reduces the number of components required.

     5. Wide Range of Materials: Butterfly valves are available in a variety of materials, including cast iron, ductile iron, stainless steel, and various plastics. This allows for selection based on specific application requirements, such as corrosion resistance, temperature tolerance, or chemical compatibility.

     6. Easy Maintenance: The simple design of butterfly valves makes them easy to maintain. The disk and seat can be readily inspected and replaced if necessary, minimizing downtime and maintenance costs.

     7. Cost-Effectiveness: Compared to other types of valves, butterfly valves are generally more cost-effective to manufacture and purchase. This makes them an attractive option for applications where budget constraints are a factor.

     8. Versatility: Butterfly valves can be used in a wide range of applications, including water and wastewater treatment, power generation, chemical processing, oil and gas production, and HVAC systems. Their adaptability makes them a valuable asset in various industrial settings.

     9. Durability: Butterfly valves are built to withstand demanding operating conditions, including high pressures, extreme temperatures, and harsh environments. Their robust construction ensures long service life and reliable performance.

4-inch butterfly valves offer a compelling combination of advantages, including compact design, ease of operation, low pressure drop, bidirectional flow capability, material versatility, low maintenance requirements, cost-effectiveness, versatility, durability, and wide range of applications. These factors make them a preferred choice for a variety of fluid control systems across various industries.