Union type screwed rubber flexible joint for small diameter pipe

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US $1-50 / Pieces | 1 Piece/Pieces union type screwed rubber flexible joint (Min. Order)
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Quick Details
Carbon Steel
Place of Origin:
Henan, China (Mainland)
Model Number:
Brand Name:
Head Code:
Union type screwed rubber flexible joint
Rubber Material:
NR, EPDM, Neoprene, IIR, NBR Buna-N, FKM/Viton, etc.
Nylon fabric, Steel ring
Thread Standard:
ISO, ASME, BS, JIS, etc.
Working pressure:
1.0/1.6 Mpa
Applicable Medium:
Air, water, warm water, seawater, oil, slurry, weak acid, alkali, etc.
Applicable Temperature:
-20℃~+115℃(-30℃~+250℃ special), 5℉~239℉
Business Type:
Manufacturer of rubber joints
Piece/Pieces per Month union type screwed rubber flexible joints
Packaging & Delivery
Packaging Details
Export standard plastic bags/carton cases inside for rubber joint, seaworthy plywood cases outside or according to requests.
Shanghai or as per request
Lead Time :
5-15 days after deposit or as per quantity

Union type screwed rubber flexible joint for small diameter pipe

Product Description

High quality union type screwed rubber flexible joint


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.


Thread union type rubber joint features small volume, small weight, good flexibility, easy installation and maintenance. Angular deflection can be up to 45°.


Threaded Union Rubber Joint

Product Overviews

Name: Threaded union rubber joint


Model: KST-L DN15~DN80

Technical Parameters

Pressure: 1.0~1.6Mpa

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 Threaded Union Rubber Joint

1UnionMaterial according to RequestConnection
2Inner & Outer RubberNR, EPDM, Neoprene, IIR Butyl Rubber, NBR Buna-N, FKM/Viton, PTFE, etc.Body
3Cord FabricNylon Cord FabricBody Carcass
4Reinforcing RingSteel WireReinforcement


Detailed Images


Detailed Images of Threaded Union Rubber Joint

Photos of Threaded Union Rubber Joint

Quality Comparison of Our Threaded Union Rubber Joint with Others

Technical Parameters


Technical Conditions of Threaded Union Rubber Joint


Working pressure1.0 Mpa1.6 Mpa
Burst pressure 2.0 Mpa3.0 Mpa
Vacuum 53.3 Kpa (400)86.7 Kpa (650)
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 Threaded Union Rubber Joint


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

Notes: For OEM orders with special requirement, threaded unions should be made according to customers' drawings. Thread standard can be ISO, ASME, BS, JIS, etc. Material of rubber body can be NR natural rubber, EPDM, Neoprene, IIR butyl rubber, NBR Buna-N, FKM, etc.


Project Cases - Application of 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.

Production Flow


Production Flow of LEEBOO Brand Rubber Joint

Dimension Measurement of Rubber Body & Thread Inspection of Union


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 Threaded Union Rubber Flexible Joints!