Product Description

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+86 17660770639

North Valve Group

Types of Flanged lug Valves

Flanged plug valves come in various types, each designed for specific applications. The most common types include:

1. Lined Flanged lug Valves

Lined flanged plug valves feature a corrosionresistant lining, making them ideal for handling corrosive fluids. Materials such as rubber, TFE, or ceramic are commonly used for lining.

2. Solid Flanged lug Valves

Solid flanged plug valves have a singlepiece construction, offering strength and durability. They are suitable for highpressure applications.

3. Trunnion Flanged lug Valves

Trunnion flanged plug valves are designed with trunnion seats, reducing friction and enabling smoother operation. They are often used in hightemperature environments.

Installation Guide for Flanged lug Valves

roper installation is critical to ensure the longevity and efficiency of flanged plug valves. Below is a stepbystep installation guide:

Step 1: reparation

Ensure all components are clean and free from debris. Verify the valve specifications match the pipeline requirements.

Step 2: Alignment

Align the flanged plug valve with the pipeline to avoid misalignment, which can cause leaks or damage.

Step 3: Bolting

Tighten the bolts in a star pattern to ensure even pressure distribution. Use the correct torque as per the manufacturer’s specifications.

Step 4: Testing

erform a pressure test to confirm the integrity of the installation. Check for leaks and ensure smooth operation.

Flanged lug Valve Specifications

Understanding the specifications of flanged plug valves is essential for selecting the right valve for your application. Key specifications include:

1. ressure Rating

Ensure the valve’s pressure rating matches the pipeline’s operating pressure. Common ratings include 150 psi, 300 psi, and 600 psi.

2. Temperature Range

Verify the valve’s temperature range to ensure it can handle the fluid’s operating temperature. Materials like brass or stainless steel are suitable for hightemperature applications.

3. Connection Type

Flanged plug valves typically use buttweld or threaded connections. Choose the connection type that matches your pipeline design.

Applications of Flanged lug Valves

Flanged plug valves are versatile and used in various industries, including:

1. Oil and Gas

Used for controlling the flow of crude oil and natural gas in pipelines.

2. Water Treatment

Essential in water treatment plants for regulating water flow and preventing contamination.

3. Chemical rocessing

Used in chemical plants to handle corrosive fluids safely.