3-inch flat weld flange

3 inch flat weld flange is a commonly used pipe connector, which realizes the connection of pipes by welding the end of the pipe to the flange. This flange has the characteristics of simple structure, easy installation, and low cost, and is widely used in petroleum, chemical, construction, and other industries. The size of the 3 inch flat weld flange is 3 inches in nominal diameter, the material is usually carbon steel or stainless steel, and its connection method is welded, making it suitable for medium to low pressure piping systems.

1. Product introduction

3 inch flat weld flange is a kind of fitting that connects pipes, mainly made of carbon steel or stainless steel and other materials, using flat welding connection, the flange surface is smooth, and has good sealing performance. This flange connects pipes with equipment through welding, is suitable for low-pressure and medium-pressure pipeline systems, and is widely used in petroleum, chemical, power, construction, and other fields.

2. Common functions

3 inch flat welded flange, also known as flat welded connection flange, is one of the common connectors in chemical pipelines, its main function is to achieve fast and easy connection of pipelines, with good sealing and corrosion resistance, suitable for low-pressure, medium-pressure pipeline systems, widely used in petroleum, chemical, pharmaceutical, food and other industries to ensure the stable flow and safe use of fluid media.

3, common standard

flanges include, but are not limited to, GB/T 9123, GB/T 12459, GB/T 13401, GB/T 15181, JB/T 79, JB/T 7922, JB/T 7923, SH/T 3210, EN 1092-1, EN 1092-2, etc., which cover the design, manufacturing, and inspection requirements of flanges of different types, sizes, and pressure levels.

4. Key parameters

3 inch flat weld flange selection should comprehensively consider factors such as pressure level, nominal diameter, material type, thickness, connection method, sealing surface form, temperature range, corrosive environment, etc., to ensure that the flange can work safely and reliably under specific working conditions. At the same time, you need to consider the installation space, cost budget, and compatibility with the piping system.

5. Selection points

In the selection process of 3-inch flat welded flanges, key factors such as working condition matching, unified standards, sealing compatibility, economic reasonableness, and installation specifications should be comprehensively considered to ensure that the selected flange can meet the actual use needs, ensure the safe and stable operation of the system, and take into account cost-effectiveness and ease of operation.

Jianing 3 inch flat welded flange has the advantages of firm connection, good sealing performance, and convenient installation due to its exquisite craftsmanship and excellent materials. The flange is made of high-quality carbon steel or stainless steel material, with a special surface treatment, corrosion resistance, high temperature resistance, etc., and is widely used in petroleum, chemical, water treatment and other fields, making it a good choice for pipeline system connection.

3 inch flat weld flange is a widely used accessory for pipe connection, characterized by a welded connection between the flange and the pipe, ensuring the tightness and stability of the pipeline system. This flange has the advantages of simple structure, easy installation, and good sealing performance, and is widely used in petroleum, chemical, water treatment, and other fields. Jianing company specializes in making all kinds of flanges, including 3-inch flat welded flanges, we strictly control product quality and provide customers with high-quality products and services. Welcome customers to consult and order.