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Quick Details

  • Material: Stainless Steel
  • Technics: Forged
  • Type: Bushing
  • Place of Origin: Guangdong, China (Mainland)
  • Model Number: JF metal bellows
  • Brand Name: Hong chang Jufa
  • Connection: Welding
  • Shape: round
  • Head Code: round
  • max temperature: -40--450℃
  • business type: manufacturer
  • customize: available
  • product name: metal bellows
  • pressure: PN10 PN16PN25
  • certification: ISO9001
  • size: DN32-3000mm
  • flange material: stainless steel /carbon steel/iron
  • bollows material: ss304/ss316
  • standard: ANS/DIN

Packaging & Delivery

Packaging Details wooden case or according to your request for metal bellows
Delivery Time 5-7-14 days after confirm payment

DN500mm welded connect stainless steel tube exhaust expansion metal bellows

Product Description

 

What is metal expansion joint ?                                                            

Metal expansion joint as a compensate element in pipe system, it protect the pipe system against from the damage of fluid force and heat exchange. According to the working condition, JF bellow expansion joint is made of stainless steel, chrome steel ,cast steel or other material. It can be connected with flange, thread, welded or quick coupling.


 

Details of metal expansion joint                                                             

  • Bellows: stainless steel 304/316/321/310s
  • Flanges end : stainless steel 304/316

Diameter

32mm - 600mm
Pressure0.6/1.0/1.6/2.5/4.0Bar
Temperature-20℃ ~ +450℃
Compensation18mm - 400mm
Flange materialStainless steel and carbon steel
Flange standard JIS/ANSI/ISO/GB/DIN
ConnectionsFlange,Welding

What is the distinguished features of Metal expansion joint?                         

 

  1. Metal expansion joints are used in a wide variety of piping application to compensate for thermal expansion or contraction and to absorb equipment vibration or pipe motions.
  2.  We manufacture single, two-ply and multiply testable bellows in different sizes using precision forming technology.
  3. The bellow is made of stainless steel, whcih have good performance for extreme pressure, temperature and corrosive conditions.
  4. Compensate axial movements
  5. Optimized design for fatigue resistnce and endurance.
  6. Widely used to absorb termal expansion in pipe systems carring water, steam, oil and gases
  7. Stainless bellows compensators or expansion joints are designed according to the client's specifications ad design conditions
.
What is Diamension Chart of Metal expansion joint?                                   

  

Nominal     DiameterTotal LengthBellow SpecificationAxial MovementWorking PressureWeight/pc
Eff Length     ODEff AreaSpring RateExtensionCompression
mminchmminchL.b(mm)ΦD(mm)cm2kg/mmXe(mm)Xc(mm)kg/cm2kg/pc
 32 1-1/4 200 8 88 59.2 20.3 19.7 5 3016 4.9
 40 1-1/2 250 10 96 65.7 25.4 20.3 5 3016 5.4
 50 2 300 12 120 81.2 38.7 25.0 5 3516 6.5
75 2-1/2 300 12 120 97.2 58.4 30.8 5 3516  8.8
 80 3 300 12 120 113.7 79.6 26.0 10 4016  11.3
 100 4 300 12 132 139.7 126.1 29.6 10 4516  14.6
 125 5 300 12 144 165.7 183.1 32.6 10 4616  19.9
 150 6 350 14 165 196.7 255.9 37.5 10 5016  27.6
 200 8 350 14 180 247.7 420.6 43.8 10 5516  37.6
 250 10 350 14 220 305.7 643.6 57.0 10 6016  55.7
 300 12 350 14 220 355.5 887.1 66.2 10 6016  68.1
 350 14 400 16 200 399.0 1119.7 61.8 10 6516  90.7
 400 16 400 16 200 458.7 1464.9 93.6 10 6516  135.3
 450 18 400 16 210 500.0 1720.2 90.1 10 7016  164.7
 500 20 400 16 210 551.0 2115.6 99.3 10 7016  192.2
 550 22 400 16 210 602.0 2551.8 109.1 10 7016  223.1
 600 24 400 16 210 653.0 3028.8119.0 10 7016  244.4

 

What is the Application of metal expansion joint ?                                     

 

1. pipe with axial displacement by temperature or pressure changes.

2. heating and air conditioning installation.

3. hot water and fire protection system.

4. compressors inlet and outlet.

5. diesel engine sets/pipelines/turbines/blowers/vacuum pumps/heat exchanges

 

Production Flow

 

 

FAQ

 

Where is our factory located?

Our factory located in No.16 Henggui Middle Road, Lianhe Industrial Area, Luocun Town, Nanhai District, Foshan City, Guangdong Province, China.

 

What kind of media that your metal expansion joint  can used for?

We have different kinds of rotary joints for water, hot oil, steam, air and gas.

 

Could you provide us the custom size and length?

 Yes. We can make the drawing for your required size and length of the expansion joint.

 

What is the warranty for the metal expansion joint?

 We have one-year warranty in the correct installation.

 

What is the payment term?

T/T, Paypal, western union.Nomally 30% deposit in advance, the balance should be paid before shipment.

 

What is delivery time?

 3 to 7 days for the normal size sample. 9 to 25 days for the batch good.

 

Is there cheap shipping cost to import to our country?

For small order, international express is the good choice. And for bulk order, sea ship way is the best but take much time.

For urgent order, we suggest to via Air to airport plus our ship partner send to 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

 

 

 

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