What are the flange specifications, models and materials?

Flange is a component that connects pipes or equipment. It is usually used to connect or disconnect different pipes or equipment.

Flanges usually consist of two opposite circular or square planes, which are connected by bolts and clamped with sealing gaskets to achieve a sealing effect.

The role of flange

The functions of flange have the following aspects:

Connection and separation

Flanges can help quickly connect or separate pipes or equipment, reduce downtime, and facilitate maintenance and cleaning.

Sealing

The flange uses gaskets as sealing materials at the joints to ensure the sealing performance of the joints. Therefore, it is widely used in high pressure, high temperature or flammable and explosive situations.

Support

Flanges can also be used to support pipes or equipment to prevent them from sinking or moving.

Flange specifications and models

Flanges are available in various specifications and models according to different standards and application areas. The following are some common flange specifications:

American standard flange: specifications from 1/2 inch to 80 inches, pressure rating from 150 pounds to 2500 pounds.

Japanese standard flange: specifications from 10A to 1500A, pressure levels from 5K to 40K.

German standard flange: specifications from DN10 to DN4000, pressure levels from PN6 to PN400.

British standard flange: specifications from 1/2 inch to 80 inches, pressure rating from 150 pounds to 2500 pounds.

European standard flange: specifications from DN10 to DN4000, pressure levels from PN6 to PN400.

National standard flange: specifications from DN10 to DN4000, pressure levels from PN0.25 to PN42.

Commonly used flanges

Weld Neck Flange

Weld Neck Flange has high strength and corrosion resistance, and is suitable for high temperature and high pressure applications.

Blind Flange

Blind flange is used to block the opening of pipes or equipment. It is usually used when testing or repairing pipes or equipment.

Slip On Flange

Slip On Flange can be easily installed and removed, and is usually used in low-pressure applications.

Forged Flange

Forged flange has excellent strength and corrosion resistance and is usually used in high temperature and high pressure applications.

Flange application

Industrial piping system: In the industrial field, flanges are widely used in various types of piping systems.

Valve and equipment connection: Flanges are also used to connect valves, pumps, compressors, containers and other equipment.

Ship and marine engineering: Flanges play an important role in ship and marine engineering.

Construction and municipal engineering: In construction and municipal engineering, flange connections are widely used in water supply, drainage, HVAC and other systems.

Food and pharmaceutical industry: In the food and pharmaceutical industry, flange connections also play an important role.