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Quick Details

  • Material: Stainless Steel
  • Technics: Casting
  • Type: Union
  • Place of Origin: Henan, China (Mainland)
  • Model Number: JGD-F
  • Brand Name: LEEBOO
  • Connection: Flange
  • Shape: Equal
  • Head Code: Circular
  • Certificate: ISO9001:2008
  • DN: 32-3000mm
  • Angular deflection: 10&15 DEG
  • Flexibility: great
  • Elasticity: good
  • Noise: noise decrease
  • Strike: anti-strike
  • Compensation: well compensation
  • Joint: concrete expansion joint
  • Keyword: Flexible Coupling Rubber

Packaging & Delivery

Packaging Details corrosion-resistant packing inside and wooden case outside or as your requirements
Delivery Time within 20 days after receiving your advanced 30% deposit

Double Flange Flexible Coupling Rubber

Product Description


High Quality  Double Flange Flexible Coupling Rubber


Rubber joints are designed to absorb movements and stress on piping systems, compensate for pipe misalignment, reduce vibration and system noise, protect against start-up forces as well as system surges. Thus, they are also called shock absorbers, pipe compensators, flexible connectors, etc.


The spherical shape design allows even distribution of forces in all directions to have smooth and quiet flow.


Single Sphere Rubber Joint

Product Overviews

Name: Single sphere rubber joint

Keyword: Double Flange Flexible Coupling Rubber


Model: KXT DN32~DN4000

Technical Parameters

Pressure: 1.0~2.5Mpa

Medium: Air, water, seawater, oil, slurry, weak acid, alkali, etc.

Temperature: -20~+115℃

Application: Construction, water supply and drainage, and heavy industry, refrigeration, sanitation, plumbing, fire, electricity, etc.

Product Features

High resistance to corrosion.

Absorption of movements, vibrations and stresses.

For more information please visit our official website http://www.xlpipe.com http://www.xinlipipe.com http://www.xinligd.com http://www.xinligj.com

Structure and Function of Single Sphere Rubber Joint

1Floating FlangeGrooved Flanges. Material according to RequestConnection
2Inner & Outer RubberNR, EPDM, Neoprene, IIR Butyl Rubber, NBR Buna-N, FKM/Viton, PTFE, etc.Body Liner
3Middle RubberNR Natural Rubber, EPDM, Neoprene, IIR Butyl Rubber, NBR Buna-N, FKM/Viton, etc.Body
4Cord FabricNylon Cord FabricBody Carcass
5Reinforcing RingMulti-Strand Coppering Steel WireReinforcement


Detailed Images


Detailed Images of Single Sphere Rubber Joint

Photos of Single Sphere Rubber Joint

Quality Comparison of Our Single Sphere Rubber Joint with Others

Project Cases - Application of Single Sphere Rubber Joint


As rubber has superior capability in resistance of acid, alkali, oil and electrolyte, rubber joint has become one of the alternatives of stainless steel and been successfully installed in tough demanding applications such as: Chemical, Petrochemical, Marine, Power Generation, Pulp and Paper, Steel Mills, Water and Wastewater Treatment, Building Construction, Heavy Industry, Freezing and Sanitary Plumbing.

Technical Parameters


Technical Conditions of Single Sphere Rubber Joint


Working pressure1.0 Mpa1.6 Mpa2.5 Mpa
Burst pressure 2.0 Mpa3.0 Mpa4.5 Mpa
Vacuum 53.3 Kpa (400)86.7 Kpa (650)100 Kpa (750)
Applicable Temperature-20°C~+115°C (-30°C~+250°C under special conditions)
Applicable MediumAir, compressed air, water, sea water, oil, slurry, weak acid, alkali, etc.


Specification of Single Sphere Rubber Joint


Nominal Diameter
Axial Displacement
Horizontal Deflection
Angular Deflection
(a1+a2) °

 - DN4000


1. Supply range can be up to DN4000. Large diameter rubber joints should be equipped with limiters/control units.

2. For OEM orders with special requirement, rubber joints should be made according to customers' drawings.

Generally, flange standard is GB/T9115.1-2000, other GB, JB, HG, CB, ANSI, DIN, BSEN, NF, EN, JIS, ISO flanges are also available upon request. Material of rubber body can be NR natural rubber, EPDM, Neoprene, IIR butyl rubber, NBR Buna-N, FKM, etc.

3. When rubber joints size above DN200 are used for overhead water supply system, the pipes must be equipped with fixed supports or fixed brackets, otherwise control units should be installed on rubber joints.

4. Matching flanges of rubber joints should be valve flanges or GB/T9115.1(RF) flanges.

Production Flow


Production Flow of LEEBOO Brand Single Sphere Rubber Joint

Dimension Inspection of DN150 Single Sphere Rubber Joint Rubber Body


Showroom, Workshops and Warehouse of Rubber Joint


Packaging & Shipping


Packaging of Rubber Joint


MOQ 1 pc, OEM orders acceptable.
Packing details Plastic/carton box, then seaworthy plywood case, or as per request.
Shipping method By express, by air or by sea
Shipping port Shanghai, Qingdao, Tianjin or as per request.
Shipping time 5-15 days after receiving 30% down payment, or according to order quantity.


Related Products


Main Products of Gongyi Xinli Pipeline Equipment Co., Ltd.

Metal Bellows
Expansion Joint
Duckbill Check ValveDismantling JointValvePipe Accessories


Company Information


Why Us?

Pipe Expansion Joints Manufacturer since 1997


LEEBOO - China Famous Brand
Gongyi Xinli Pipeline Equipment Co., Ltd. is a professional manufacturer in the field of pipeline equipment for nealry 18 years and has 15 years sales experience.
Main products: rubber expansion joint, rubber duckbill check valve, dismantling joint, metal hose, metal bellows expansion joint, wall sleeves, valves, etc.


Our Services


1. Quality: ISO9001:2008 quality certified, quality and pressure test in workshop and by third party.

2. Equipment: 20+ molding machines, updated numeric control equipment for machining.

3. Staff: manfacturer of rubber joint since 1997, with well-trained and rich-experienced local workers.

4. Fast delivery: Lots of stocks for urgent order. 5-15 days after payment

5. Price: competitive factory price let clients benefit more from us.

6. Low MOQs / OEM orders acceptable.


Customer Visit


Our products have been exported to about 20 countries, such as Germany, Sweden, Russia, Italy, Portugal, Armenia, Dubai, Kuwait, Saudi Arabia, Egypt, South Africa, India, Singapore,Thailand, Vietnam, the Philippines, Australia, Argentina and USA.

Customer visit from Italy, UAE, Australia, Algeria, India, etc.


Company Certifications


1. Company Business Licence
2. ISO 9001:2008
3. AAA Grades Trustworthness Enterprise of China
4. Green Environmental Protection Top Brand
5. First Level Supplier of China National Petroleum Corporation (2008)
6. China Quality Sincerity Enterprise Association Member
7. China Famous Brand (2009)



Q: What do you need to know for fast quotation?

A: It would be highly appreciated if we have the details of detailed drawing for OEM order, model, end connection type, flange standard and material, medium, pressure, temperature and other working conditions.

Q: Can you make the product as per client's requirement?
A: Yes, OEM service available. We can make according to your drawings or samples.

Q: How can you guarantee the quality or any warranty?
A: Any quality problems during use, all the products can be returned for domestic clients; we will send more free product in next batch for overseas clients or according to the requests.

Q: Do you accept small quantity order?
A: Yes, MOQ 1 pc for standard size, 5 pcs for customized size.

Q: What is your payment terms?
A: Usually T/T(30% as deposit, the rest 70% will be paid before delivery). L/C, Western Union, Paypal also acceptable.


Q: What about the lead time?
A: Usually 3-10 days for sample order. Lot production time according to order quantity.



Contact Information


Welcome to Contact Us for High Quality Single Sphere Rubber Joints!

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China (Mainland) | Manufacturer, Trading Company
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