Double ball rubber expansion joint

Short Description:

Product:Double Spheres Rubber Expansion Joint
Specification:DN50--DN300
Connection:Flange
Shape:Equal
Head Code:Round
Working Pressure;1.0~2.5MPa
Rubber Material:EPDM,NBR,Nr,Neoprene etc
Flange Drilling:DIN,ANSI,JIS etc.
Certificate:ISO9001:2008
Transport Package:Wooden Case
Acceptance: OEM/ODM, Trade, Wholesale, Regional Agency,
Payment: T/T, L/C, PayPal

Any inquiries we are happy to reply, please send your questions and orders.
Stock Sample is Free & Available

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Products Description

Size

DN50--DN300

Pressure

1.0~2.5MPa

Rubber Material

EPDM,NBR,Nr,Neoprene etc

Shape

Equal

 NBR double sphere rubber expansion joint is a type of rubber expansion joint, and its main rubber part is made of NBR (nitrile rubber) material.

Products Introduction

Made from NBR rubber, this expansion joint offers excellent oil resistance, ensuring stability and reliability even in the most demanding oil-based environments. NBR rubber materials are carefully selected to withstand the challenges posed by petroleum media, making them ideal for industries with frequent petroleum exposure.

Whether you operate in the oil and gas industry, chemical processing, or any other industry where oil exposure is a concern, our expansion joints can meet your specific needs. Trust the quality and performance of our double ball rubber expansion joints to increase the efficiency and reliability of your piping system.

Products Detail

Application scope

1.Petrochemical:

Suitable for pipeline systems in oil media, such as petrochemical plants.

2.Pharmaceutical industry:

Applied in the pharmaceutical industry where it is necessary to prevent the impact of oil media on pipeline systems.

3.Energy field:

Used for energy equipment and pipeline systems, such as heating pipelines.

4.Industrial pipeline:

In various pipeline systems in industrial production, it is used to absorb thermal expansion, contraction, and vibration.

Product Features

1.Oil resistance:

NBR rubber has excellent oil resistance and can maintain stable performance in oil medium environments.

2.Wear resistance:

The rubber part of NBR materials usually has good wear resistance and can resist friction and wear caused by fluid flow.

3.Weather resistance:

NBR rubber has a certain degree of weather resistance and can resist the influence of natural environments such as sunlight and rain.

4.Good sealing performance:

The dual sphere design provides good sealing performance, which helps prevent fluid leakage.

5.Absorbing vibration and noise:

Suitable for pipeline systems that require vibration absorption and noise reduction.

6.Easy to install and maintain:

usually designed to be easy to install and maintain, with a certain degree of flexibility.

Product Advantage

1. Excellent oil resistance: NBR rubber has excellent oil resistance, making it ideal for applications requiring contact with oil. This advantage ensures that the expansion joint maintains its integrity and performance in oil-rich environments, helping to extend its service life and reliability.

2. Flexibility and Movement: The double-ball design of these expansion joints allows for greater movement and flexibility, effectively absorbs vibration and accommodates thermal expansion and contraction. This feature helps reduce stress on piping systems and equipment, ultimately extending their service life.

Product Shortcoming

1. Limited chemical resistance: Although NBR rubber has excellent oil resistance, it may not be suitable for applications where there is contact with certain chemicals. NBR compatibility with specific chemicals must be evaluated to avoid potential degradation of the expansion joint.

2. Temperature limit: NBR rubber has temperature limits, and long-term exposure to high temperatures will affect its performance. It is critical to consider the operating temperature range to ensure that the expansion joint functions optimally under different thermal conditions.


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    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.

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