Product Description
Rexnord Viva Thomas Ktr CHINAMFG Poly-Norm Poly Revolex N-Eupex Wrapflex Coupling Elastomer Diaphragm Polyurethane Plum Cushion Shaft Flexible Spider Couplings
Elastomeric Couplings
Rexnord Elastomeric Couplings are ideal for a wide assessment of industries and have been trusted by many of the largest OEM machinery equipment suppliers and end users for over 45 years These non lubricated, material flexible couplings can be used in a variety of environments They provide excellent vibration sampling capacity, high misalignment capacity, reduced maintenance costs and downtime, in addition to special design options for specific applications
Rexnord Viva Elastomeric Couplings
The most advaced elastomeric coupling available
Rexnord Viva Elastomeric Couplings feature a design based on the proven Rexnord CHINAMFG Couplings. Design upgrades to Viva allow for greater torque transmission with a smaller coupling. Incorporating the quality features of Omega, Rexnord Viva Couplings are non-lubricated, material-flexing split-in-half tire couplings. Viva Couplings are built for reliability in a variety of demanding applications including pumps, compressors, blowers, mixers, and more. This all-purpose coupling has excellent vibration damping capability helping to prolong the life of connected equipment.
Viva Close-Coupled Elastomeric Couplings
Viva close-coupled (V) elastomeric coupling consists of the unique split-in-half flex element and reversible hubs.
- Supplied with metric fasteners
- Hubs offered in rough bore, custom bore, and bushed designs
- Connects equipment with shaft gap (distance between shaft end) up to 5.2″ (132mm)
- Accommodates shaft diameters up to 6.5″ (165 mm)
- Continuous torque loads up to 55,494 lb-in (6,270 Nm)
- Available in 12 sizes ranging from 110 through 460
Viva Spacer Elastomeric Couplings
Viva spacer (VS) elastomeric coupling features a split-in-half flex element and reversible hubs with optional hole mounting positions.
- Supplied with metric fasteners
- Hubs offered in rough bore, custom bore, and bushed designs
- Connects equipment with shaft gap (distance between shaft end) up to 9.8″ (250mm)
- Accommodates shaft diameters up to 6.5″ (165 mm)
- Continuous torque loads up to 55,494 lb-in (6,270 Nm)
- Available in 12 sizes ranging from VS110 through VS460
Rexnord CHINAMFG Elastomeric Couplings
Recognized as the benchmark in the industry
Rexnord CHINAMFG Elastomeric Couplings are non-lubricated, material-flexing split-in-half tire couplings, which are used in a variety of demanding applications in many industries. This all-purpose coupling has excellent vibration damping capability helping to provide extended life to connected equipment. This coupling offers easy installation and a wide range of shaft gaps.
Omega Elastomeric Couplings
Split-in-half design offering easy installation for general purpose applications.
Viva Elastomeric Couplings
Split-in-half design offering easy installation and greater torque with a smaller coupling that accepts larger bores
Wrapflex Elastomeric Couplings
A replace-in-place designed coupling for quick installation and replacement.
Elastomeric Parts & Kits
Components for Omega, Viva and Wrapflex flexible couplings comprised of shaft hubs, spacer hubs, flexible elements, element covers, sub-assemblies, and fastener kits.
ROTEX couplings
ROTEX – torsionally flexible jaw coupling
ROTEX torsionally flexible claw couplings are characterized by their compact design. ROTEX elastomer couplings are used in almost all areas of general mechanical and plant engineering.
ROTEX GS – Backlash-free servo coupling
The ROTEX GS is a three-part, backlash-free servo coupling under preload. The various hub designs and different shore hardnesses result in the optimum coupling for every application in automation technology.
POLY-NORM torsionally flexible, fail-safe shaft couplings
POLY-NORM shaft couplings are characterized by a compact design. The torque is transmitted via elastomers between the cams also serving to offset displacements and dampen shocks and torsional vibrations.
Applications of our torsionally flexible, fail-safe shaft couplings:
POLY-NORM shaft couplings are used in almost all fields of mechanical engineering, here mainly in the pump industry (pump coupling).
Advantages
- Torsionally flexible shaft couplings (pump coupling / E4 coupling)
- Axial plug-in, easy assembly
- Fail-safe
- Compact, short shaft distance dimension
- Torques up to 5,500 kNm
- Vibration-damping
- Compensation of displacements
- Various options of bores
Attributes
- High quality
- Various applications
- Very suitable for short installation lengths
- Available from stock
This KTR POLY-NORM coupling is a torsionally-flexible, shear type shaft coupling. It has an axial plug-in design with a unique short overall length. The POLY-NORM can be used in nearly all types of machinery and is ideal for the pump industry.
KTR POLY-NORM AR shear type shaft coupling
This KTR POLY-NORM coupling is a torsionally-flexible, shear type shaft coupling. It has an axial plug-in design with a unique short overall length. The POLY-NORM can be used in nearly all types of machinery and is ideal for the pump industry.
- 2-pieces shaft coupling for torque transmission and damping of torsional vibrations
- Axial plug-in, easy assembly
- Maintenance-free
- Short-constructing, small dimension of shaft distance
- Use in general machinery
More than shaft couplings
Due to our large assortment, there is almost always a product that is suitable for your applications. We not only supply drive components, but also all the other products needed to achieve an optimal process. In our stockpile we have, for example, various types of transport components, hydraulic components, oil coolers and our own monitoring system
Why an elastic coupling of Bestseal?
An elastic coupling from Bestseal is the result of decades of product development and innovation. With this, we assure you of a high-quality component with the highest possible reliability. We see ourselves as the reliable partner of anyone who wants to set things in motion.
More than 2,000 employees work passionately every day to provide you, the customer, with the best conceivable products. DIN ISO certifications are the best proof of this. A transparent and honest way of working lies at the basis of every customer relationship with us.
Would you like to learn more about our elastic couplings or answer an important product question?
Please contact our technical support department or sales department and let us inform you in detail about the various possibilities.
We will be happy to think along with you based on your wishes and make you a custom offer without any obligation.
we specialized in the development and production of sealing systems which were used in the Metallurgical,Electrical,Auto, Engineering machinery, Light industrial machinery and Electrical appliance manufacturing industries. BESEALS focus on customers’ needs,as a dependable partner and reliable supplier to help you resolve supply or technical problems ,and improve the performance of your equipments or your business. When you are facing emergency repairs situation or urgent orders,the highly responsive team of DLseals will offer you very short lead time. Beseals has a global sales network,and our seals have been sold to more than 100 countries or areas ,Such as America, England, Canada, Australia, Russian Federation ect .
FAQ
1. who are we? Are you trading company or manufacturer ?
We are manufacturer.We are based in HangZhou, China, start from 2571,sell to Domestic Market(33.00%),North America(15.00%),South America(10.00%),Western Europe(8.00%),Eastern Europe(6.00%),Souther Europe(6.00%),Southeast Asia(5.00%),Mid East(5.00%),Northern Europe(5.00%),Oceania(2.00%),South Asia(2.00%),Africa(00.00%),Eastern Asia(00.00%),Central America(00.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;
3.what can you buy from us?
PTFE Seals/Oil Seals/O Rings/Rubber Seals/Plastic Seals/Mechanical Seal/O-RING/ RING Seals.
4. why should you buy from us not from other suppliers?
Beseals is a professional manufacturer of seals .Our company specializes in the production of PU, PTFE, rubber and metal sealing components
5. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
6.Do you provide samples ?
is it free or extra ? Yes, we could offer the sample for free charge but you need to pay the cost of freight.
7. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,PayPal,Western Union,Escrow; Language
Spoken:English,Chinese,Japanese
For more information, please contact us. We look CHINAMFG to your arrival
/* 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
Proper Installation of a Diaphragm Coupling for Optimal Performance and Reliability
Proper installation of a diaphragm coupling is essential to ensure its optimal performance and reliability. Here are the steps to follow for a successful installation:
- Inspect the Coupling:
- Shaft Preparation:
- Hub Alignment:
- Tighten Fasteners Correctly:
- Check Runout and Balance:
- Lubrication (if applicable):
- Regular Maintenance:
Before installation, thoroughly inspect the diaphragm coupling for any damage, wear, or deformation. Check for proper alignment of the hubs and make sure they are clean and free from any debris or contaminants.
Ensure that the shafts to be connected are clean, smooth, and free of any burrs or rough edges that could damage the coupling or affect its performance. If necessary, use appropriate tools to deburr and polish the shaft ends.
Align the two hubs of the diaphragm coupling carefully with the shafts. Misalignment during installation can cause premature wear and failure of the coupling. Use alignment tools like dial indicators or laser alignment systems to achieve accurate shaft alignment.
Use the specified torque values and tightening sequence provided by the coupling manufacturer to tighten the fasteners securely. Over-tightening can lead to stress concentrations, while under-tightening can result in loose connections and coupling slippage.
After installation, check the runout of the coupling assembly to ensure that it rotates without wobbling or eccentricity. Also, verify that the coupling is properly balanced to prevent excessive vibrations during operation.
Some diaphragm couplings require lubrication for smooth operation. If lubrication is necessary, follow the manufacturer’s guidelines and use the recommended lubricant to prevent premature wear and reduce friction.
To ensure continued optimal performance, schedule regular inspections and maintenance for the diaphragm coupling. Check for signs of wear, misalignment, or damage, and replace the coupling if necessary. Regular maintenance can help identify potential issues early and prevent unexpected failures.
Following these installation and maintenance guidelines will help maximize the life and performance of the diaphragm coupling, ensuring reliable and efficient operation in various mechanical systems and applications.
Maintenance Requirements for Diaphragm Couplings to Extend Their Lifespan
Proper maintenance is essential to extend the lifespan and ensure optimal performance of diaphragm couplings. Regular inspection and servicing can help identify potential issues early, prevent unexpected failures, and maximize the longevity of the coupling. Here are the key maintenance requirements for diaphragm couplings:
- Regular Inspections:
- Lubrication:
- Torque and Temperature Monitoring:
- Alignment Checks:
- Environmental Considerations:
- Replace Worn or Damaged Parts:
- Follow Manufacturer’s Guidelines:
- Operator Training:
Perform routine visual inspections of the diaphragm coupling to check for signs of wear, damage, or misalignment. Look for cracks, corrosion, or any visible deformation in the diaphragm and other coupling components. Regular inspections help catch potential problems early on.
Some diaphragm couplings may require periodic lubrication, depending on the design and materials used. Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant to ensure smooth operation and reduce friction between moving parts.
In critical applications or where high torque is involved, consider implementing torque monitoring systems to track the torque levels during operation. Similarly, monitor the operating temperature of the coupling to ensure it stays within the acceptable range. Monitoring these parameters can help detect abnormal conditions that may lead to premature wear or failure.
Periodically check the alignment of the connected shafts to ensure they remain within the specified tolerances. Misalignment can cause additional stress on the diaphragm coupling and lead to accelerated wear. If misalignment is detected, it should be corrected promptly.
Consider the operating environment of the diaphragm coupling. In harsh or corrosive environments, take appropriate measures to protect the coupling from exposure to damaging elements. This may include using corrosion-resistant materials or applying protective coatings.
If during inspections, any parts of the diaphragm coupling are found to be worn, damaged, or beyond their recommended service life, they should be replaced promptly with genuine spare parts from the manufacturer. Using non-standard or substandard parts can compromise the performance and safety of the coupling.
Adhere to the maintenance recommendations provided by the diaphragm coupling manufacturer. They often include specific guidelines on inspection intervals, torque values, and other maintenance procedures tailored to the particular coupling model.
Ensure that operators and maintenance personnel receive proper training on the inspection and maintenance procedures of the diaphragm coupling. Trained personnel can identify potential issues and perform maintenance tasks correctly, contributing to the longevity of the coupling.
By following these maintenance requirements and performing regular upkeep, diaphragm couplings can have an extended lifespan, providing reliable and efficient power transmission for various mechanical systems.
How Do Diaphragm Couplings Handle Misalignment Between Shafts and Reduce Vibrations?
Diaphragm couplings are designed to handle misalignment between shafts and reduce vibrations effectively. Here’s how they achieve these functionalities:
- Misalignment Handling: Diaphragm couplings can accommodate three types of misalignment: angular, parallel, and axial misalignment.
- Angular Misalignment: When the shafts are not perfectly aligned and have angular offset, the flexible diaphragm in the coupling can flex and bend, allowing for relative movement between the shafts without transmitting excessive torque loads or inducing stress on the machinery.
- Parallel Misalignment: In cases where the shafts have parallel misalignment (i.e., horizontal offset), the diaphragm can also flex and move laterally to accommodate the misalignment while maintaining a continuous connection between the two hubs.
- Axial Misalignment: Diaphragm couplings can also handle axial misalignment (i.e., axial displacement), as the flexible diaphragm can compress or elongate slightly to adjust for the axial movement of the shafts.
- Vibration Reduction: Diaphragm couplings are known for their ability to dampen vibrations, which helps in reducing vibration levels in the connected machinery and the overall mechanical system.
- Flexible Diaphragm: The key component that enables vibration reduction is the flexible diaphragm. As the diaphragm flexes in response to misalignment or torque loads, it absorbs and dissipates vibrations, preventing them from being transmitted through the coupling and into the system.
- Natural Frequency: The design of the diaphragm is tuned to have a specific natural frequency, which allows it to effectively dampen and attenuate vibrations within the desired range.
- Material Selection: The choice of material for the diaphragm is crucial in determining its vibration damping capabilities. Certain materials have better vibration-absorbing properties, making them ideal for use in diaphragm couplings.
In summary, diaphragm couplings handle misalignment between shafts by using the flexible diaphragm to accommodate angular, parallel, and axial misalignment. Additionally, they reduce vibrations by utilizing the same flexible diaphragm to dampen and absorb vibrations, enhancing the smooth operation and longevity of the connected machinery and mechanical systems.
editor by CX 2024-04-30