China Hot selling FM UL Approved Ductile Iron Grooved Pipe Fitting Rigid Coupling

Product Description

Product DescriptionFire fighting ductile iron grooved coupling and fitting with UL FM CE ISO certification 1.Name:FM UL Approved ductile iron grooved pipe fitting rigid coupling (Rigid coupling, Reducing coupling, Flexible coupling, Mechanical Tee, Mechanical cross, U-Bolt mechanical tee, elbow, cross, tee, flange adapter, split flange,cap

Brand JUNT
Company Type Manufacturer
Standard ANSI,ASTM,DIN,JIS,GB,BS
Materal Ductile Iron (ASTM A536 Grade 65-45-12)
Color Red RAL3000 , Orange , Bule or according to custom requirements
Surface Treatment Paint, Epoxy, Galvanization or Dacroment
Threaded BSPT  NPT
Certification UL FM CE  ISO 9001
Delivery Time  Normally within 15-30days
Pressure 300PSI   500PSI   2.5MPA
Payment Terms T/T  L/C  OR  Other
Useage
 

 

 

1) Automatic sprinkler system for fire production on commercial,civil and municipal constructions like water supplying ,gas supplying , heat supplying , etc
2)Industrial pipeline system on shipping , mine , textile oil field , power plant , etc
3)Pipeline system on subway station , railway station airport , seaport, brided , etc

Our company
HangZhou CHINAMFG Machinery Auxiliaries Co.,Ltd is established in 2004,is a professional manufacturer specialized in the R&D,Pro-duction ,sale and service of ductile iron Grooved Couplings and Pipe Fittings. Our company is a large enterprise group composed of 1 main factory, 3 branch factories which cover-s an area of 68000m2 and has an annual production capacity of more than 50000 tons. We have an experienced team, around 500 skilled staff members, 20 percent of them are engineers and technicians who are professional and hardworking.We are equipped with automation molding line, China 416 automation molding line, Erich automation sand mixing line, CNC lathe, WINTER mold machining center and so on.

We have a very professional laboratory with full serious of testing and inspection as leak testing, raw material receiving inspection, batch chemical composition inspection, microstructure testing, dimension inspection, first article inspection, in-process inspection and final visual inspection in order to ensure the product quality.

 

Packing&Delivery
1)JUNT Large boxes ,non-wood pallets (110L*110W*12H)with PE film,27boxes per pallet at most.
2)JUNT Samal boxes,non-wood pallets(110L*110W*12H)with PE film ,54boxes per pallet at most.
3)We can also pack products as per customer’s requirement.
4) Delivery Details : 5-30 days after order

FAQQ: Are you trading company or manufacturer ?
A: We are factory.Exported abroad directly from our own factories,so the price is competitive.
Q: How long is your delivery time?
A: 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.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shipp-ment.
If you have another question, pls feel free to contact us as below:
Alisa shi 

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rigid coupling

Can Rigid Couplings Accommodate High Torque and High-Speed Applications?

Yes, rigid couplings are well-suited for high torque and high-speed applications. Their design and construction allow them to efficiently transmit large amounts of torque and handle high rotational speeds without compromising performance or introducing backlash.

Rigid couplings are typically made from robust materials, such as steel or aluminum, which provide high strength and stiffness. This allows them to withstand substantial torque loads without deformation or failure. Additionally, rigid couplings do not have flexible elements, such as elastomers or springs, which can be a limiting factor in high-torque applications.

The absence of flexible elements also means that rigid couplings have minimal backlash. Backlash is the clearance between mating teeth in a coupling and can cause position inaccuracies, especially in high-precision systems. Since rigid couplings have a solid, one-piece design, they offer precise and immediate torque transmission, making them suitable for applications requiring high accuracy and repeatability.

Furthermore, the solid construction of rigid couplings allows them to handle high rotational speeds. They do not exhibit the bending or torsional flexibility seen in some other coupling types, which can be limiting factors in high-speed applications. As a result, rigid couplings are commonly used in various high-speed machinery, such as power transmission systems, motors, pumps, and industrial equipment.

However, it is essential to ensure proper alignment and installation when using rigid couplings in high-torque and high-speed applications. Any misalignment between the shafts can lead to increased stresses and premature failure. Regular maintenance, including shaft alignment checks, can help ensure optimal performance and longevity in such demanding applications.

In summary, rigid couplings are an excellent choice for high torque and high-speed applications due to their robust design, minimal backlash, and ability to provide precise torque transmission. When correctly installed and maintained, rigid couplings can reliably handle the demands of various industrial and mechanical systems.

rigid coupling

What Industries Commonly Use Rigid Couplings for Power Transmission?

Rigid couplings are widely used in various industries for power transmission applications that require a solid and reliable connection between rotating shafts. Some of the industries that commonly utilize rigid couplings include:

  • Manufacturing: In the manufacturing industry, rigid couplings are employed in a wide range of equipment, such as conveyors, mixers, pumps, compressors, and machine tools. These couplings ensure precise power transmission and alignment, making them ideal for maintaining accuracy in manufacturing processes.
  • Material Handling: Material handling equipment, including cranes, hoists, and elevators, often rely on rigid couplings to transfer power between shafts efficiently. Rigid couplings provide a robust connection that can handle the heavy loads and continuous operation common in material handling applications.
  • Automotive: The automotive industry employs rigid couplings in various automotive systems, including drive shafts, transmissions, and steering systems. Rigid couplings contribute to the overall performance and reliability of these components, ensuring smooth power transfer and minimizing vibration.
  • Mining and Construction: In the mining and construction industries, rugged and durable power transmission components are crucial. Rigid couplings are used in equipment like crushers, mills, and heavy-duty conveyors, where they can withstand the harsh conditions and heavy loads commonly found in these applications.
  • Oil and Gas: The oil and gas industry often utilizes rigid couplings in pumps, compressors, and drilling equipment. Rigid couplings offer consistent and dependable power transmission, which is essential for critical operations in this sector.
  • Marine: In marine applications, such as ship propulsion systems and marine pumps, rigid couplings are used to transmit power between the ship’s engine and various equipment. They can handle the dynamic forces and vibrations encountered in marine environments.
  • Aerospace: In aerospace applications, where precision and reliability are paramount, rigid couplings play a role in power transmission between various aircraft components.

Rigid couplings are chosen in these industries for their ability to maintain shaft alignment, resist misalignment, and provide a backlash-free connection. Their robust construction and simple design make them suitable for high torque and high-speed applications, where precision and efficiency are crucial.

rigid coupling

Limitations and Disadvantages of Using Rigid Couplings:

Rigid couplings offer several advantages in providing a strong and direct connection between shafts, but they also have certain limitations and disadvantages that should be considered in certain applications:

  • No Misalignment Compensation: Rigid couplings are designed to provide a fixed connection with no allowance for misalignment between shafts. As a result, any misalignment, even if slight, can lead to increased stress on connected components and cause premature wear or failure.
  • Transmit Shock and Vibration: Rigid couplings do not have any damping or vibration-absorbing properties, which means they can transmit shock and vibration directly from one shaft to another. In high-speed or heavy-duty applications, this can lead to increased wear on bearings and other components.
  • No Torque Compensation: Unlike flexible couplings, rigid couplings cannot compensate for torque fluctuations or angular displacement between shafts. This lack of flexibility may not be suitable for systems with varying loads or torque requirements.
  • Higher Stress Concentration: Rigid couplings can create higher stress concentration at the points of connection due to their inflexibility. This can be a concern in applications with high torque or when using materials with lower fatigue strength.
  • More Challenging Installation: Rigid couplings require precise alignment during installation, which can be more challenging and time-consuming compared to flexible couplings that can tolerate some misalignment.
  • Increased Wear: The absence of misalignment compensation and vibration absorption can lead to increased wear on connected components, such as bearings, shafts, and seals.
  • Not Suitable for High Misalignment: While some rigid couplings have limited ability to accommodate minor misalignment, they are not suitable for applications with significant misalignment, which could lead to premature failure.

Despite these limitations, rigid couplings are still widely used in many applications where precise alignment and a strong, permanent connection are required. However, in systems with significant misalignment, vibration, or shock loads, flexible couplings may be a more suitable choice to protect the connected components and improve overall system performance and longevity.

China Hot selling FM UL Approved Ductile Iron Grooved Pipe Fitting Rigid Coupling  China Hot selling FM UL Approved Ductile Iron Grooved Pipe Fitting Rigid Coupling
editor by CX 2023-12-25

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Rigid Coupling

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