Product Description

EPDM Flanged Bellows Compensator  Connector Coupling

The Flanged Rubber Expansion Joint is a versatile and durable solution for a wide range of piping applications. Made from high-quality rubber and reinforced with steel flanges, this expansion joint is designed to withstand high pressure, temperature changes, and lateral movements. It is ideal for use in water treatment plants, CHINAMFG systems, chemical processing plants, and other industrial applications where flexibility and reliability are critical. The flanged design allows for easy installation and ensures a secure and leak-free connection. With its excellent resistance to corrosion, abrasion, and chemicals, this expansion joint offers a long service life and low maintenance costs. Available in a variety of sizes and configurations, the Flanged Rubber Expansion Joint is an essential component for any piping system.If you need to buy expansion joints, come to HangZhou FLUIDO, we have over 20 years of experience.

 

 

 

Material list

NO	NAME	Material
1	Cover	NR,NBR,EPDM
2	Reinforcing	Nylon
3	Tube	NR,NBR,EPDM
4	Retain rings	Steel
5	Flange	Carbon steel

Technical conditions

Working Pressure    MPa(Kgf/cm2)	1(10)	1.6(16)	2.5(25)
Explosion Pressure MPa(Kgf/cm2)	3 (30)	4.8 (48)	5.5 (55)
Vacuum MPa(Kgf/cm2)	53.3(400)	86.7(650)	100(750)
Applicable Temperature ºC	-15-115, it can be -30-250 for special condition.
Applicabe Medium	Air, compressed air, water,sea water, steam, oil, acid and alkali, etc.

 

Main joint dimension

Size	Inch	Length	Extension	Compression	Horizonal	Angular
DN32	1 1/4″	95	6	9	9	15°
DN40	1 1/2″	95	6	10	9	15°
DN50	2″	105	7	10	10	15°
DN65	2 1/2″	115	7	13	11	15°
DN80	3″	135	8	15	12	15°
DN100	4″	150	10	19	13	15°
DN125	5″	165	12	19	13	15°
DN150	6″	180	12	20	14	15°
DN200	8″	210	16	25	22	15°
DN250	10″	230	16	25	22	15°
DN300	12″	245	16	25	22	15°
DN350	14″	255	16	25	22	15°
DN400	16″	255	16	25	22	15°
DN450	18″	255	16	25	22	15°
DN500	20″	255	16	25	22	15°
DN600	24″	260	16	25	22	15°
DN700	28″	260	16	25	22	15°
DN800	32″	260	16	25	22	15°
DN900	36″	260	16	25	22	15°
DN1000	40″	260	18	26	24	15°

 

Features
1. The flexible rubber expansion joint is of small volume, light weight, good flexibility and convenient installation and maintenance ; 

2. The flexible rubber expansion joint has transverse displacement, axial displacement and angular displacement and not restricted by inconsistent pipeline and unparallel flange in installation; 

3. The flexible rubber expansion joint reduces vibration and noise;

4. The flexible rubber expansion joint with seamless inside and resistance to high temperature which is developed by our company can prevent the corrosive medium from corroding the inner wall more efficiently in the pipeline of high temperature resistance, acid and alkali resistance and oil resistance.

Detailed Photos

 

Our Factory

 

 

 

Application

Based on its excellent overall performance, the flexible rubber expansion joint is widely used in the chemical industry, construction, drainage, oil industry, light and heavy industry, refrigeration industry, sanitary system, plumbing system, firefighting, and power electrics, such as the connection with pump or valve and pipeline with vibration or large temperature changes.

Company Profile

 

 

Our Advantages

 

1)Over 20 years of experience on manufacturing and exporting pipeline products.
Over 10 years shop on Made-In-China. Long history means stable,professional and reliable .

2)Industry leader:
Our Factory has been specilized in Pipeline Products since 2004. With decades of development, CHINAMFG possesses 20 engineers, 200 experienced workers and 25 professional sales team and has supplied pipeline products, solution and services to over 50 countries.Quality is strictly Controlled and guaranteed.

3)Large Productivity 
Our Factory’ productivity is large and stock for some of the pipe fittings is also available. so the mass production lead time is short.

4)One-stop shopping
We can supply a series of pipeline products include buttwelding fittings, forged fittings, valves,flanges ,rubber fittings ,clamps etc., standard and even non-standard OEM
products.

5)VIP Service
20 professional technical engineers and a 25-people sales team gaurantee the quality and service.

6)OEM is also available
 

FAQ

Q1:What certificate do you have?

A: We have ISO 9001, CE certificate.

Q2. Can I get free samples?
A: Yes, The free samples can be offered for free.

Q3.What‘s the MOQ of your products?
A:Normally for 1 Ton .For trial order it can be small.

Q3. Can I have my own Logo on the product?
A: Yes, Simple logo design is available based on not small order quantity.

Q4: Can I have my own customized product?
A: Yes, your customized requirements for color, size, mark, etc.

Q5: Can you produce the products according to my own drawing?
A: Yes, we can produce the products according to your drawing.

Q6: How long is your delivery time?
A: Generally it is about 30-45days depends on the order quantity.

Q7:What’s your product range?
A:Forged Pipe Fitting,Butt welding Pipe Fitting,Pipe Clamps,Ductile Iron Groove Pipe Fitting,OEM Parts,Valves etc.,

Q8:What kinds of OEM parts can you serve?
A:CNC machining parts,Bending parts, Forging parts, Stamping parts and Casting parts etc.,

Q9:How Your Factory Control the Quality?
A: We control the quality since the Material arrives, we have a workshop QC responsible for each product line to check the product dimensions and other details during 1 by 1 producing process, inspection QC do spot check for each batch in every day and package workers do 100% product appearance inspection 1 by 1 when they package the parts into the carton. 

Welcome to contact us for more information!
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Are There Specialized Bellows Couplings Designed for High-Speed or High-Torque Applications?

Yes, there are specialized bellows couplings designed to excel in high-speed or high-torque applications. These specialized couplings are engineered to meet the unique demands of such scenarios, providing optimal performance, reliability, and durability. Here’s how bellows couplings are tailored for high-speed and high-torque applications:

• High-Speed Bellows Couplings: For high-speed applications, the primary consideration is reducing rotational inertia to minimize the effects of centrifugal forces. High-speed bellows couplings are crafted using lightweight materials, such as aluminum or titanium, to achieve lower inertia. The low inertia helps to minimize the risk of resonance and vibrations at elevated speeds, ensuring smooth operation. Additionally, these couplings undergo precise balancing to further enhance their suitability for high-speed applications.
• High-Torque Bellows Couplings: High-torque applications demand couplings capable of transmitting substantial amounts of torque without failure. In such cases, bellows couplings are designed with robust materials, such as stainless steel or alloy steel, to handle the increased torque load effectively. The bellows structure is also engineered with thicker walls to improve torsional stiffness and torque transmission capabilities. Furthermore, the coupling’s design may incorporate multiple bellows to distribute the load evenly, preventing stress concentration on a single point.
• Custom Engineering: Some high-speed and high-torque applications may require bespoke solutions. In such instances, manufacturers offer custom engineering services to tailor the bellows coupling’s dimensions, materials, and features to the specific requirements of the application. Customization ensures that the coupling can meet the stringent performance demands and environmental conditions of the particular high-speed or high-torque setup.

It is crucial to select the appropriate bellows coupling that matches the application’s exact specifications and operational parameters. Choosing the right coupling will ensure smooth operation, prevent premature wear, and optimize the efficiency and reliability of the entire system. When working with high-speed or high-torque applications, consulting with experienced coupling manufacturers or engineering experts can help in selecting the best-suited bellows coupling for the intended use.

Can Bellows Couplings be Customized or Adapted to Specific Industrial Needs?

Yes, bellows couplings can be customized or adapted to meet specific industrial needs. Manufacturers of bellows couplings often offer a range of customization options to ensure that the couplings can effectively address the unique requirements of different applications and industries.

The customization options for bellows couplings may include:

• Material Selection: Manufacturers can offer a variety of materials for the bellows coupling based on factors such as corrosion resistance, temperature tolerance, and mechanical properties. Different materials, such as stainless steel, aluminum, or specialized alloys, can be chosen to suit the specific demands of the application.
• Size and Dimensions: Bellows couplings can be produced in various sizes and dimensions to accommodate different shaft diameters and spacing requirements. Custom sizing ensures a proper fit and optimal performance in the given system.
• Design Modifications: Manufacturers can make design modifications to the bellows coupling to suit specific environmental conditions or to address unique challenges in a particular application. These modifications may include changes to the shape of the bellows, the number of convolutions, or the addition of protective features.
• Electrical Isolation: For applications requiring electrical isolation between shafts, bellows couplings can be customized with insulating materials to prevent the flow of electric currents between the connected components.
• Performance Enhancements: Couplings can be designed to provide enhanced performance characteristics, such as higher torque capacity or improved torsional stiffness, based on the requirements of the application.

By collaborating with coupling manufacturers or consulting with engineering experts, industrial users can outline their specific needs and constraints. This information helps in the customization or adaptation of bellows couplings to create a solution that optimally meets the demands of the intended application.

It is important to work closely with reputable coupling suppliers or manufacturers who have experience in providing customized solutions. Such collaboration ensures that the final bellows coupling design aligns with the intended industrial needs and delivers reliable and efficient performance in the designated application.

What are the Different Types of Bellows Couplings Available, and Their Respective Applications?

There are several types of bellows couplings available, each designed to suit specific applications and requirements. Some of the most common types include:

• Single Bellows Coupling: This type of bellows coupling consists of a single bellows element and is suitable for applications with moderate misalignment and torsional stiffness requirements. It is commonly used in robotics, automation, and general motion control systems.
• Double Bellows Coupling: The double bellows coupling features two bellows elements with an intermediate shaft in between. This design offers higher torsional stiffness and increased angular misalignment capacity. It is often used in precision positioning equipment and applications requiring higher torque transmission.
• Flexible Beam Coupling with Bellows: This type of coupling combines the flexibility of a beam coupling with the compensating capability of a bellows coupling. It can handle moderate misalignments and provides a good balance between flexibility and torsional stiffness. It finds applications in medical devices, optical systems, and semiconductor equipment.
• Torsionally Rigid Bellows Coupling: As the name suggests, this coupling type offers exceptional torsional stiffness, making it suitable for applications where precise motion control and low torsional backlash are critical. It is commonly used in CNC machines, high-speed spindles, and other high-precision systems.
• Miniature Bellows Coupling: This type is specifically designed for applications with limited space and where low inertia is crucial. It is commonly used in small robotics, miniature positioning stages, and micro-machining systems.
• High-Temperature Bellows Coupling: This specialized coupling can withstand elevated temperatures, making it suitable for applications in harsh environments, such as aerospace, exhaust systems, and certain industrial processes.

The choice of bellows coupling type depends on the specific requirements of the application. Factors such as misalignment compensation, torsional stiffness, torque capacity, space constraints, and environmental conditions play a crucial role in selecting the appropriate coupling type.

When selecting a bellows coupling, it is essential to consider the coupling’s torque ratings, allowable misalignments, and operating conditions to ensure optimal performance and reliability. Consulting with coupling manufacturers or engineering experts can help in making an informed decision based on the specific needs of the mechanical power transmission system.

editor by CX 2024-02-26