China Standard Preferential Stainless Steel Threaded Joint Pipe Fitting, Ductile Iron Grooved Flexible Coupling

Product Description

Product parameters

Product Name Ductile Iron Grooved Couplings and Fittings
HS Code 735710000
Size Nominal Size:25~300mm 
Pipe O.D:33.7~323.9mm 
Length:57~230m
Type Water System-Grooved Pipe Fitting
Parameter Shape:U-Bolted Mechanical Tee
Material:ASTM A536 
Rubber Gasket: ASTM D2000
Bolt and Bolt and Nut: ASTM A183
Testing Method: UL FM Vds LPCB
Certification FM,UL BSI,ANSI,ISO9001, 3C

Products

Application

Production display

Our company

HangZhou CHINAMFG Industries Co., Ltd is specialized in manufacturing agricultural processing machinery. At the establishment beginning, we only exported pipe fittings as a trader, with the business development, some related products from our cooperated suppliers were also exported by us, and we also have stocks in these factories. Our company business scope have been involved pipe fittings, Agricultural machinery & parts. Our Disk Mill, Flour Mill, Rice Mill, Oil Expeller and Meat Mincer could be process Corn, Wheat, Paddy, Soybean, Peanut and other grains. Our machines are sold into India, Egypt, Sudan, Kenya, Morocco, Australia and USA etc. We still keep the quality is the life, Innovation for development, from the wonderful appearance to inner structure, from best package to safety delivery, each action are our best service for the customers.
Our trademarks are “SMECH”, “SENCHE” “DRAGONSATR” & “NASTAR”, we also could make OEM under customer’s requirement.
We also registered a international offshore company “SENSI INDUSTRIES LIMITED” for management some import & export business.
We are willing to build trusty business relationship and friendship with you.
Factory Tour

Packaging & transportation

FAQ:
Q1: Are you trading company or manufacturer?

We, HangZhou CHINAMFG Industries Co., Ltd, is a combination of production and trade, industry integration business.

Q2: Is the price of your products lower than others?
We can not promise you the lowest price, because the best quality is what we pursue firstly.
 
Q3: What’s your payment terms?
We recommend our customer different terms of payment based on different order amount. Paypal, Western Union, T/T, LC are all acceptable.

Q4: Can you provide us with some samples for testing?
A: Of course, we can offer you samples. You only need to bear the freight and samples’ charge can be negotiated.

Q5: How about your service?
A: We have pre-sale service, in-sale service and after-sale service. As “Customer First” is the most important principle of company operation.

If any problems not in the above-mentioned answers, you can contact us directly. We will help you to solve the problem with carefulness and patience. /* 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

flexible coupling

What are the cost implications of using flexible couplings compared to other coupling types?

When considering the cost implications of using flexible couplings compared to other coupling types, several factors come into play. While flexible couplings may have a higher upfront cost in some cases, they often offer cost savings in the long run due to their advantages and reduced maintenance requirements.

  • Upfront Cost: In terms of upfront cost, flexible couplings can vary depending on the design, material, and size. Some high-performance flexible couplings with specialized features may have a higher initial cost than simpler coupling types. For instance, certain specialized couplings used in demanding applications like high-speed precision machinery or corrosive environments might be more expensive.
  • Maintenance Costs: Flexible couplings generally have lower maintenance costs compared to certain rigid coupling types. Rigid couplings, such as gear couplings or disc couplings, may require periodic maintenance to check for wear, lubrication, and alignment. In contrast, many flexible couplings, especially those with elastomeric elements, are self-lubricating and require little to no maintenance.
  • Reduced Downtime: Due to their ability to accommodate misalignments and dampen vibrations, flexible couplings can reduce the wear and tear on connected equipment. This reduction in wear can lead to less frequent downtime for repairs or replacements, resulting in improved productivity and cost savings.
  • Longevity: Flexible couplings are designed to absorb shocks and vibrations, which can extend the lifespan of connected equipment. By minimizing stress and wear on components, flexible couplings contribute to the longevity of machinery and reduce the need for premature replacements.
  • Energy Efficiency: Some flexible couplings, such as beam couplings or certain elastomeric couplings, have low mass and inertia, contributing to better energy efficiency in rotating systems. By reducing energy losses, these couplings can result in cost savings over time.
  • Application Specificity: In some cases, specialized coupling types might be necessary to meet specific application requirements. While these specialized couplings may have higher costs, they are designed to optimize performance and reliability in those specific scenarios.
  • Compatibility and Adaptability: Flexible couplings are often more versatile in terms of accommodating shaft misalignment and different shaft sizes. Their adaptability can reduce the need for custom-made or precisely machined components, potentially saving costs in certain installations.

Overall, the cost implications of using flexible couplings compared to other coupling types depend on the specific application and its requirements. While they may have a higher initial cost in some cases, the long-term benefits, such as reduced maintenance, increased equipment longevity, and improved system efficiency, often justify the investment in flexible couplings.

flexible coupling

What are the maintenance intervals and practices for extending the life of a flexible coupling?

Proper maintenance of a flexible coupling is essential to ensure its longevity and reliable performance. The maintenance intervals and practices for flexible couplings may vary depending on the coupling type, application, and operating conditions. Here are some general maintenance guidelines to extend the life of a flexible coupling:

  • Regular Inspection: Conduct visual inspections of the coupling regularly to check for signs of wear, damage, or misalignment. Look for cracks, tears, corrosion, or any other visible issues.
  • Lubrication: Some flexible couplings may require periodic lubrication to reduce friction and wear. Refer to the manufacturer’s guidelines for the appropriate lubrication type and schedule.
  • Alignment Checks: Ensure that the connected shafts remain properly aligned. Misalignment can lead to premature wear and failure of the coupling and other components.
  • Torque Monitoring: Monitor the torque levels in the system and ensure they are within the coupling’s rated capacity. Excessive torque can overload the coupling and cause damage.
  • Temperature and Environmental Considerations: Ensure that the operating temperatures and environmental conditions are within the coupling’s specified limits. Extreme temperatures, aggressive chemicals, or corrosive environments can impact the coupling’s performance.
  • Inspection After Shock Loads: If the system experiences shock loads or unexpected impacts, inspect the coupling for any signs of damage immediately.
  • Replace Damaged or Worn Couplings: If any damage or wear is detected during inspections, replace the flexible coupling promptly to avoid potential failures.
  • Periodic Re-Tightening: For certain coupling designs, periodic re-tightening of fasteners may be necessary to maintain proper clamping force.
  • Follow Manufacturer’s Guidelines: Always follow the maintenance instructions provided by the coupling manufacturer. They can provide specific recommendations based on the coupling model and application.

It is crucial to develop a maintenance plan specific to the application and coupling type. Regularly scheduled maintenance, adherence to recommended practices, and proactive inspection can help identify issues early and prevent costly breakdowns. Additionally, record-keeping of maintenance activities can provide valuable data on the coupling’s performance and aid in future maintenance decisions.

flexible coupling

Can you explain the different types of flexible coupling designs available?

There are several types of flexible coupling designs available, each with its unique construction and characteristics. These designs are tailored to meet specific application requirements and address different types of misalignment and torque transmission needs. Here are some of the most common types of flexible couplings:

  • Jaw Couplings: Jaw couplings consist of two hubs with curved jaws and an elastomer spider placed between them. The spider acts as a flexible element and can compensate for angular and parallel misalignment. Jaw couplings are widely used in various industrial applications due to their simple design and effectiveness in handling misalignment and vibration damping.
  • Disc Couplings: Disc couplings use thin metallic discs with a series of alternating slits and flanges to connect the shafts. The disc coupling design allows for excellent misalignment compensation, including angular, parallel, and axial misalignment. Disc couplings are known for their high torsional stiffness and precise torque transmission capabilities.
  • Gear Couplings: Gear couplings consist of toothed hubs connected by an external sleeve with gear teeth. They are well-suited for applications with high torque and moderate misalignment. Gear couplings offer good misalignment compensation and high torque capacity, making them popular in heavy-duty industrial applications.
  • Beam Couplings: Beam couplings use a single piece of flexible material, often a metal beam, to connect the shafts. The material’s flexibility allows for angular and axial misalignment compensation. Beam couplings are compact, lightweight, and provide low inertia, making them suitable for applications with high-speed requirements.
  • Bellows Couplings: Bellows couplings consist of a bellows-like flexible structure that connects the two hubs. They can compensate for angular, parallel, and axial misalignment. Bellows couplings are known for their high torsional stiffness and ability to maintain constant velocity transmission.
  • Oldham Couplings: Oldham couplings use three discs, with the middle one having a perpendicular slot. This design allows for angular misalignment compensation while transmitting torque between the hubs. Oldham couplings are often used when electrical isolation between shafts is required.

Each flexible coupling design has its strengths and limitations, and the choice depends on factors such as the application’s torque requirements, misalignment conditions, operating environment, and speed. Proper selection of the coupling type ensures optimal performance, efficiency, and reliability in various mechanical systems and rotating machinery.

China Standard Preferential Stainless Steel Threaded Joint Pipe Fitting, Ductile Iron Grooved Flexible Coupling  China Standard Preferential Stainless Steel Threaded Joint Pipe Fitting, Ductile Iron Grooved Flexible Coupling
editor by CX 2024-05-03

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