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Quick Details

  • Material: Carbon Steel
  • Technics: Casting
  • Type: Union, With control rod, without control rod
  • Place of Origin: Guangdong, China (Mainland)
  • Model Number: expansion joint rubber
  • Brand Name: Hongchang Jufa
  • Connection: Flange
  • Shape: Equal
  • Head Code: Square
  • flange material: carbon steel/stainless steel
  • pressure: pn10 pn16 pn25
  • diameter: DN32-DN700
  • body material: NR/NBR/EPDM Body
  • Fatigue frequency: ≥5000 times
  • perating temperature: :≤200°C
  • layer: Single sphere or double sphere
  • connection type: flanged end and threaded end
  • name: expansion joint rubber

Packaging & Delivery

Packaging Details Each joint in carton box, then into plywood case for expansion joint rubber
Delivery Time Shipped in 7 days after payment

DN600 10K JIS flexible rubber joint flange pump rubber coupling expansion joint




Quick Details


What is the operating condition of our double ball rubber expansion joint?                         



working pressure MPa(kgf/cm2)1(10)1.6(16)2.5(25)
Burst pressure MPa(kgf/cm2)2 (20)3(30)4.5(45)
Vacuum degree KPa(mm/Hg)40(300)53.3(400)86.7(650)
Temperature–20 to 115
MediaWater,Hot water,Sea water,Compressed air, Solvent,Acid,Weak alkalies




What material we use for each part?                                                                                     



                  Material Component
Bodyheat resist rubber (NR,EPDM,NBR,SI)
Reinforcing clothNylon
wireHard Wire
flangecarbon steel/stainless steel











Distinguished Features


  1. impress with their compensating and damping material properties
  2. long service life and high operational reliability.
  3. They are used in industrial environments and in plant and process engineering, as well as in mechanical engineering, building services engineering, environmental engineering and hydraulics.
  4. The rubber expansion joints come in diameters from 1" to 120" and can be made with any elastomer material
  5. various movement requirements can be met, Non-standard designs are manufactured as required
  6. High working pressure, anti-burst and good elasticity.





Single shpere rubber bellow



Double Sphere rubber bellow


Threaded rubber bellow




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


  3"ANSI 150lbs flexible pump rubber coupling connector flange ball joint expansion joint


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Company Information





Foshan Nanhai Hongchang Jufa 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 equipmentin China.


Foshan Nanhai Hongchang Jufa 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 equipmentin China.


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





What is our shipping way and payment terms?


1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

4. Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1. Payment: T/T, Western Union, ,PayPal; 30% deposits; 70% balance before delivery.

2. MOQ: 1pc






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.



Contact information




Send your inquiry Details in any below contact way, we will reply you within one hour.CLICK NOW










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China (Mainland)
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Supplier's Trade Assurance Limit: US $36,000
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