Product Introduction

Size:

1/2″-24″ DN15-DN1200

Pressure:

Class 150-Class 2500; PN6-PN420

Material:

Carbon steel: Suitable for conventional applications, such as ASTM A105.

Flange face:

Flat Face, Raised Face

Long neck butt welding flange is a common welding flange used to connect pipelines, valves, equipment, etc. to ensure the safety and reliability of the pipeline system.

Features:

1. Welding neck design: Has a longer neck for welding pipes, providing a reliable connection.
2. Suitable for high temperature and high-pressure environments: Suitable for high pressure, high temperature and harsh working conditions.
3. Good sealing performance: Provides good sealing and connection stability.
4. Strong anti-vibration ability: Due to the structure of welded connections, it has better ability to withstand vibration and impact.

Advantage:

1. Provides a strong connection suitable for high pressure and high temperature environments.
2. The long neck design provides more contact area, enhancing the strength and stability of the connection.
3. Good sealing performance reduces the risk of leakage.
4. It has good resistance to vibration and shock.

Disadvantages:

1. Installation and maintenance are relatively complex and require welding skills.
2. Higher cost, especially with special materials or high specification requirements.
3. In general, the long-neck butt welding flange is a reliable connecting element and is suitable for pipeline systems that have strict requirements on connection stability, pressure resistance and sealing. Selecting the appropriate materials and specifications is critical to ensuring the safe and reliable operation of your piping system.

1.Shrink bag–> 2.Small Box–> 3.Carton–> 4.Strong Plywood Case

One of our storage

Loading

Packing & Shipment

1.Professional manufactory.
2.Trial orders are acceptable.
3.Flexible and convenient logistic service.
4.Competitive price.
5.100% testing,ensuring the mechanical properties
6.Professional testing.

1.We can guarantee the best material according to related quotation.
2.Testing is performed on each fitting before delivery.
3.All packages are adapt for shipment .
4. Material chemical composition is conformed with international standard and environment standard.

A) How can I get more details about your products?
You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider. 

B) How can I get some samples?   
If you need, we will offer you samples for free, but new customers are expected to pay express charge. 

C) Do you provide customized parts? 
Yes, you can give us drawings and we will manufacture accordingly. 

D) To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru , Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.). 

E) I can’t see the goods or touch the goods, how can I deal with the risk involved?  
Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.