Product Introduction

Size

NPS1/2″-24″ DN15-DN1200; NPS1/2″-12″ DN15-DN2500

Pressure

Class150-Class2500

Material

Carbon Steel A105 Q235B A234WPB

Stainless Steel SS304 316 321

ASME B16.5 Lap joint Flange is a flange connection standard that specifies the design, size, and material requirements of flanges and is commonly used in piping systems

Features:

1. Diverse material selection:

ASME B16.5 Lap Joint Flange can be manufactured using various materials, including carbon steel, stainless steel, alloy steel, etc., to meet the needs of different working environments.

2. Bolted connection design:

Like many other flanges, Lap joint flange adopts a bolted connection design, which makes installation and maintenance easier.

3. Used in conjunction with Stub End:

Lap joint flange is usually used in conjunction with Stub End. Stub end is connected to the pipeline through axial sliding, while Lap Joint Flange is fixed to Stub End by bolts, forming a loose connection that allows the flange to rotate freely. This design is very useful for situations where there is a certain amount of movement space between flanges and pipes.

4. There is a flat base behind the flange:

The Lap joint flange has a flat base behind it that matches the flat end of the Stub End to form a sealed connection. This design allows for a certain amount of clearance between the flanges.

Advantages:

1. Easy installation and disassembly:

Due to the design of bolted connections, the installation and disassembly of the lap joint flange are relatively easy, which helps to reduce maintenance costs.

2. There is clearance between the flanges:

The design of the flanges allows for certain movement, which is beneficial for handling expansion and contraction caused by temperature changes or other factors.

3. Strong substitutability:

Due to the loose connection between Lap Joint Flange and Stub End, Stub End can be easily replaced without affecting the flange connection.

Disadvantages:

1. Relatively poor sealing performance:

Due to the design of Lap Joint Flange, its sealing performance may be relatively poor compared to other flange types, making it unsuitable for applications that require high sealing performance.

2. Not applicable to high-pressure systems:

Lap Joint Flange is usually not suitable for high-pressure systems because its connection method and structure may not meet the requirements of high-pressure environments.

Applicable scope:
1. Low pressure and low temperature applications:

Suitable for some low pressure and low temperature pipeline systems, especially in situations where there is a certain amount of space for movement between flanges.

2. Systems that require frequent maintenance:

Due to easy installation and disassembly, it is suitable for systems that require frequent maintenance, reducing downtime.

3. For occasions with low sealing requirements:

Due to its relatively poor sealing, it is suitable for some occasions with low sealing requirements.

Overall, ASME B16.5 Lap Joint Flange is a specially designed flange suitable for specific low-pressure, low-temperature, and space moving pipeline systems. When choosing to use it, it is necessary to evaluate its advantages and disadvantages based on specific pipeline system requirements and working environment.

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

One of our storage

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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.