ASME B16.47 Series A Carbon Steel Blank Blind Flange

Product Introduction

Size

NPS 22-48" DN550-DN1200

Pressure

Class150,Class300;Class600;Class900

Material

Carbon Steel A105 Q235B A234WPB

Stainless Steel SS304 316 321

Blind flange under ASME B16.47 standard is a special type of flange used in pipeline systems, usually used to close or seal pipeline connections to prevent fluid flow. The ASME B16.47 standard includes two series: Series A and Series B. Both series include specifications for blind flanges, but there may be differences in some details.

Features

1. Wide range of size and pressure:

ASME B16.47 blind flange covers various sizes and pressure levels, suitable for pipeline systems of different sizes and working conditions.

2. Suitable for high-temperature and high-pressure environments:

Due to the selection of manufacturing materials, blind flanges are commonly used in high-temperature and high-pressure working environments, such as the chemical, petroleum, and natural gas industries.

3. Bolted connection design:

Adopting a bolted connection method makes installation and disassembly relatively easy, which is beneficial for maintenance and repair work.

4. Compliance with industrial standards:

The design, manufacturing, and testing of blind flanges follow the ASME B16.47 standard to ensure compliance with engineering specifications, which helps improve the safety and reliability of the system.

5. Flexibility:

Due to its function of sealing pipeline connections, blind flanges provide a certain degree of flexibility in the design and operation of pipeline systems, allowing for temporary sealing or closure of specific pipeline sections.

Advantages

1. Reliability:

The design and manufacturing of blind flanges comply with ASME standards, ensuring reliability under design conditions and contributing to the stable operation of pipeline systems.

2. Suitable for various media:

Due to the selection of manufacturing materials, blind flanges can be suitable for various media, including liquids, gases, etc.

3. Easy to install and maintain:

The bolted connection design simplifies the installation and maintenance process of blind flanges, reducing system downtime.

Disadvantages

1. High cost:

Due to the need for special environments such as high temperature and pressure resistance, the manufacturing materials and processes of blind flanges may result in relatively high costs.

2. Not suitable for situations that require frequent opening:

Blind flanges are generally used to seal or close a certain part of a pipeline system, and are not suitable for situations that require frequent opening and closing.

Applicable scope

1. Chemical industry:

Suitable for situations in the chemical industry where high temperature and high pressure are required for pipeline systems.

2. Oil and gas industry:

In oil and gas transmission pipelines, especially when temporary sealing or closure of a certain part of the pipeline is required.

3. Energy industry:

In energy production, transportation, and storage, especially in situations that require maintenance, repair, or testing.

Overall, ASME B16.47 blind flange is a type of flange that plays an important role in specific engineering environments, and its advantages, disadvantages, and applicability need to be evaluated based on specific engineering requirements.