2inch double sphere galvanized bspt union type rubber expansion joint

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US $7-30 / Pieces | 1 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Hong chang Jufa
Model Number:
JF rubber expansion joint
Stainless Steel
Head Code:
max temperature:
connection type:
flanged end or threaded end
Single sphere or double sphere
product name:
2inch double sphere galvanized bspt union type rubber expansion joint
PN10 PN16 PN25
flange standard:
flange material:
carbon steel/stainless steel
body material:
pipe fitting
Supply Ability
Supply Ability:
600 Piece/Pieces per Week
Packaging & Delivery
Packaging Details
carton box, then into plywood case for your rubber expansion joint
Lead Time :
Shipped in 5 days after payment



2inch double sphere galvanized bspt union type rubber expansion joint


Data of rubber expansion joint:                                                                                     


Nominal Diameter (mm/in.):    DN 15~DN2000

Fatigue frequency:                   ≥5000 times

Operating temperature:            ≤200°C

Class:                                       PN10, PN16. PN25, 125LB, 150LB

Medium:                           Air,compressed air,water,sea water,oil,acid,alkali,ect.  

Type:                                 Single sphere or double sphere,flanged end and threaded end



Material of rubber expansion joint:                                                                               


1.NR:Flexibility,have good tear resistance ,wear resistance and drought tolerance,good workability,easy to bond to other materials,excellent electrical insulation.The operating temperature range is about -60℃ to +80℃.



 2.NBR:Resistance to gasoline,hydraulic oil and other oil are particularly good performance.Good heat resistance,air tightness,wear resistance and good water resistance etc.,



3.EPDM:Resistance to ozene,UV resistance,acid,corrosion resistance,weather  resistance  and  excellent resistance to aging.heat-resistant up to 150℃.



4.The flange can be made of carbon steel and stainless steel; Hard wire;Nylon Fabric reinforcing layer.


 Parameter of rubber expansion joint:                                                                          


Single shpere rubber bellow



Double Sphere rubber bellow


Threaded rubber bellow






Products feature of rubber expansion joint:                                                                


1.Small volume, light weight, good elasticity, easy installation and maintenance. 


2.Installation can generate horizontal, axial and angular displacement, from pipe barrier heart, flange is not parallel to the limit. 


3.Work to reduce structural transmission of noise, vibration absorption ability. 


4. Good sealing performance and scalability, easy to use. Internal high density, can endure high pressure, elastic deformation effect is good.


5.Use of rubber of high elasticity, high resistance, solvent resistance, weather resistance and radiation resistance and other advantages can  reduce vibration and noise,and play  the role of  compensation for thermal expansion and contraction caused by temperature change.


6.Standard sizes range from 1.25" through 80".



Factory supply 2inch double sphere galvanized bspt union type rubber expansion joint


Rubber expansion joints provide a wide range of rubber support with a reinforcement that depends on the pressure required. These types of expansion joints isolate noise and vibration. When it comes to damage caused by vibration and movement, each rubber expansion joint protects piping systems by avoiding such hazards


rubber expansion joint


Application of rubber expansion joint:                                                                         


The rubber expansion joint has good comprehensive properties, 

so it is widely used in chemical industry, construction, water supply, drainage, circulating water,


oil, light and heavy industry, frozen, sanitary, plumbing, electricity and other infrastructure projects.


 fire protection, papermaking, pharmaceutical, petrochemical, shipbuilding, water pump, compressor, fan and other piping systems.


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Q1: What is the our MOQ for the rubber expansion joint?

A1: Our MOQ is 1 piece. You can also get it as a sample to test our product quality.


Q2: What is the delivery time

A2: For the rubber expansion joint, we have many size available in stock. Delivery time could be 3 to 7 days if normal size


Q3: Could you provide custom size product for us?

A3: We welcome custom size and can arrange the production according to your drawing or request.


Q4: How many kinds of rubber expansion joint you had?

A4: We have three kinds of rubber joint, sinlge ball/double ball/ thread rubber expansion joint.


Q5: Is that your company have another products for us to choose from?

A5: Our main products include rotary joint, metal expansion joint,rubber expansion joint ,metal hose and hydraulic hose


Q6: Can we choose our standard flange to connect?

A6: Yes, we can provide DIN/BS/ANSI/JIS flange to connect with the rubber bellow.


Q7:Is there cheap shipping cost to import to our country?

A7: For small order,express will be best.And for bulk order,sea ship way is best but take much time. For urgent orders,we suggest via air to airport plus our ship partner send to your door.


Q8:Can we get support if we have our own market position?

A8: Please inform us your detailed mind on your market demand,we will discuss and propose helpful suggestion for you,to find the best solution for you.




Company Information



Foshan Nanhai Hongchang Jefer Electromechanical Valve Co.,Ltd is a factory set up in 2006. We are specializing in  researching, developing and manufacturing different kinds of rotary joints,  flexible metal hose,  rubber hose , bellow expansion joint and valve   equipment in China.



Our factory is covering over 10,000 square meters.  Our R&D department consists of 3 engineers. Also, we have experienced QC personnel  to check all our  products strictly before packaging .  All of our products meet the national standards  and  have pass ISO9001 certification. We obtain trust from customers by advanced technology, excellent quality and satisfactory service. Also, we specialized in customized rotary joints tailored to meet your project requirements.



Our mission is: Offer high-quality goods, excellent service, and reasonable price to customers; Use our product, you will get more benefits!



Packaging & Shipping


We will do our best to assure the completeness of the rubber expansion joint when they arrive at your port.

Our Services



If you have any inquiry or problems(concren) ,welcome you to contact us,let's talk more!!! we will reply your inquiry or mail within 24 hours.