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!
moban /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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.

How do bellows couplings ensure torque transmission and minimize backlash in precision systems?

Bellows couplings are used in precision systems to transmit torque between two shafts while minimizing backlash, which is crucial for maintaining accurate positioning and reducing vibrations. Here’s how they achieve these functions:

1. Torsional Rigidity: Bellows couplings are designed with a series of flexible metal convolutions (bellows) that allow angular misalignment between the shafts. The metal bellows provide high torsional rigidity, ensuring efficient torque transmission from one shaft to the other with minimal power loss.
2. Backlash Elimination: Backlash is the play or movement that occurs when reversing the direction of rotation in a mechanical system. Bellows couplings are ideal for precision applications because they have virtually zero backlash. The absence of backlash helps maintain accurate positioning and prevents undesired movements in precision machinery.
3. Compensation for Misalignment: In precision systems, shaft misalignments can occur due to manufacturing tolerances, thermal expansion, or other factors. Bellows couplings can accommodate angular, axial, and parallel misalignments, ensuring smooth operation and preventing excessive stress on the shafts and connected components.
4. Vibration Damping: The flexible nature of bellows couplings also provides some level of vibration damping. This feature helps reduce vibrations and shocks in the system, which is especially important in sensitive precision equipment to maintain stability and accuracy.
5. Compact Design: Bellows couplings are compact and lightweight compared to some other coupling types, making them suitable for applications where space and weight restrictions are important considerations.

In summary, bellows couplings play a crucial role in precision systems by ensuring efficient torque transmission, minimizing backlash, compensating for misalignments, dampening vibrations, and providing a compact design. These features make them an excellent choice for high-precision machinery and applications where accuracy and reliability are paramount.

How do Bellows Couplings Accommodate Misalignment and Axial Motion between Shafts?

Bellows couplings are designed to accommodate misalignment and axial motion between shafts while maintaining accurate torque transmission. The key features that enable this flexibility are the bellows element and the coupling’s construction.

1. Bellows Element: The bellows element is a thin-walled, corrugated metal tube with deep convolutions. When torque is applied to the coupling, the bellows element flexes, allowing for angular misalignment between the driving and driven shafts. The corrugations in the bellows provide the necessary flexibility while maintaining the overall structural integrity of the coupling.

2. Axial Motion Compensation: Bellows couplings can also accommodate axial motion between shafts. When there is axial displacement, the bellows compresses or extends, effectively compensating for the relative movement of the shafts along the axial direction. This feature is particularly beneficial in applications where shafts experience thermal expansion or contraction during operation.

3. Single and Multi-Bellows Designs: Bellows couplings are available in both single and multi-bellows designs. Single-bellows couplings offer greater flexibility and are suitable for applications with relatively low misalignments and axial motion. On the other hand, multi-bellows couplings provide enhanced flexibility and can accommodate higher levels of misalignment and axial motion.

4. Zero Backlash: Bellows couplings are designed to have minimal or zero backlash. Backlash refers to the play or clearance between the coupling’s components. Zero backlash ensures that there is no lost motion when reversing the direction of rotation, making bellows couplings ideal for precision motion control applications.

5. Reducing Side Loads: To ensure optimal performance and longevity, it is essential to minimize side loads on bellows couplings. Excessive side loads can cause premature wear and fatigue in the bellows element, leading to reduced coupling life.

Overall, bellows couplings provide excellent flexibility and compensatory capabilities, making them a preferred choice in applications where misalignment and axial motion are expected. The ability to handle these factors without compromising torque transmission or introducing backlash makes bellows couplings suitable for various industries, including robotics, automation, aerospace, and semiconductor manufacturing.

editor by CX 2024-04-13