Cheap price connector rubber flexible flange ball joint rubber boot

$5.00 - $86.80
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1 Set
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Company Information

Gongyi Xinli Pipeline Equipment Co., Ltd.

CN Manufacturer
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US$ 1,000+
12 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: Qingdao
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,Paypal
Supply Ability: 20000 Set/Sets per Month Single arch expansion rubber flexible bellows
Shape: Equal
Place of Origin: China
Size: 1/2"-100"
Connection: Flange
Standard: ASME, BS, JIS, ISO, ect.
Applicable media: Air,compressed air,water,sea water,oil,acid,alkali,and so on
Model Number: KXT
Brand Name: LeeBoo
Vacuum: 53.3(400)/86.7(650)/100(750)mm/Hg
Technics: air blowing
Product name: rubber expansion joint
Applicable Temperature: -15°C-115°C(-30°C-250°C under special conditions)
Working Pressure: 1.0(10)/1.6(16)/2.5(25)Kgf/cm2
Head Code: Square
Application: Connect Pipes
Explsion Pressure: 2.0(20)/3.0(30)/4.5(45)Kgf/cm2
Certificate: ISO9001:2008
Packaging Detail: Packaing of Single arch expansion rubber flexible bellows: As the clients' requirement or Outside: carton case or wood case

expension rubber joint

Product Description


Cheap price connector rubber flexible flange ball joint rubber boot  






 Product overviews ?                                                      Contact us 



_07.jpgTechnical Parameters
MediumAir, 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.
1.According to product's using condition,technicians will offer rationalization proposals to assist clients to select proper types;
2.Under the premise of correct installation,normal maintenance and using,we guarantee one-year warranty period.



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


Application of Rubber Expansion 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.


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Technical Parameters

 Technical Conditions of  Rubber Expansion Joint

Working pressure1.0 Mpa1.6 Mpa2.5 Mpa
Burst pressure2.0 Mpa3.0 Mpa4.5 Mpa
Vacuum53.3 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  Rubber Expansion Joint  

Nominal DiameterLengthAxial Displacement Horizontal DeflectionAngular Deflection
(mm)(mm)(mm)(a1+a2) °
inch ExtensionCompression  


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.

Packaging & Shipping


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.





Company Information

 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 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.




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.