China Best Sales Quick Coupling Flexible Fire Connectors Air Hose Coupling

Product Description

Quick Coupling Flexible Fire Connectors Air Hose Coupling

1. Basic information:
 

Material: made in Aluminum
Size: 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/2″, 3″, 4″, 5″, 6″, 8″ etc
Thread: NPT, BSP(female thread parallel usually is BSPP, male thread tapered usually is BSPT)
Sealings’ material: NBR, EPDM, Viton, PTFE envelop gasket
Standard: A – A-59326(previously called MIL-C-27487)or DIN 2828
Pressure: 6.4MPA
1X20GP container: 20 pallets can be loaded

2. Product Type:

A, B, C, D, E, F, DC, DP(A, B, D, F with thread, B, C, D, DC with handles)
Type A: Male Adapter x Female
Type B: Female Coupler x Male
Type C: Female Coupler x Hose Shank
Type D: Female Coupler x Female
Type E: Male Adapter x Hose Shank
Type F: Male Coupler x Male
Type DC: Dust Cap
Type DP: Dust Plug

3. Specification & Working Principle

NO. 1 2 3 4 5 6
PART Coupler Adaptor Lever Gasket Ring Pin

4. Our Other Products:
 

5. Application


6. Packaging

7. Our Certificate
8. Our Factory:

9. Our Service

A:  Advantage

(1) High pressure can stand: PN10, PN16, PN35, PN40; 150psi, 235psi etc, as customers’ request;

(2)Well and high quality control, within 1% leakage;

(3)Environment friendly, non-toxic, good looking and long service life;

(4) Light weight, easy to handle and transport; 

(5) Soft colors and excellent design, suitable for installation either exposed or hidden;

(6)Wonderful ability in chemical corrosion resistance;

(7) Easy and fast installation, making cost minimized;

(8) Widely used in building, irrigation, industry and swimming pool;

(9)Small order acceptable;

(10) Customer’s design and logo are welcome.

B Why choose QX?

(1) We provide OEM service and submit Various styles, latest designs to our clients;

(2) We work with big customers in Southeast Asia, Africa, Middle east, North America, South America;

(3) According to the needs of customers in different regions, we match different quality and thickness valves with various styles, so that our customers are very competitive in the market!

(4)Our high quality PVC valve can be consistent with European and American national brand valves!

(5) We have great experience on providing high quality products and most professional service to clients about 10 years more!

(6). Customers choose our products, can mix and match our PVC pipe fittings, PVC butterfly valves, PP Fittings, irrigation products to buy together, so that the customer product line is more abundant, both quality and delivery time are guaranteed.

(7)  We can flexible from China any port export ! Welcome you inquiry us!

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flexible coupling

How do flexible couplings handle axial movement in rotating machinery?

Flexible couplings are designed to handle different types of misalignments in rotating machinery, including axial movement or axial misalignment. Axial movement occurs when there is displacement along the axis of rotation, causing one shaft to move closer to or away from the other shaft. Here’s how flexible couplings handle axial movement:

  • Sliding Capability: Many flexible couplings, especially those with elastomeric elements or certain designs, can slide along the shafts they connect. This sliding capability allows the coupling to accommodate axial movement without introducing additional stress on the connected components. The elastomeric elements can compress or stretch slightly to absorb the axial displacement.
  • Multiple-piece Designs: Some flexible couplings consist of multiple pieces, which allow for axial movement. These designs often have a floating member or a spacer that separates the two shaft-connected components. The floating member can move axially as needed, while still transmitting torque and compensating for other misalignments.
  • Double-Cardanic Design: Certain high-performance flexible couplings use a double-cardanic design, allowing for misalignment in multiple directions, including axial movement. This design features two sets of flexible elements that work together to accommodate different misalignments and provide a high degree of flexibility.

It’s important to note that while flexible couplings can handle a certain degree of axial movement, excessive axial misalignment might require a different type of coupling or additional measures to be addressed properly.

During the selection and installation process, it’s essential to consider the application’s axial movement requirements and choose a flexible coupling that can accommodate the expected axial displacement while still providing the desired performance, such as vibration damping, shock absorption, or precision motion control.

flexible coupling

How does a flexible coupling help in torque and rotational speed control?

A flexible coupling plays a crucial role in torque and rotational speed control in rotating machinery. It offers several benefits that contribute to efficient power transmission and help maintain desired operating conditions:

  • Torque Transmission: Flexible couplings transmit torque from one shaft to another while accommodating misalignments. They provide a reliable connection that allows the driving shaft to transfer rotational force (torque) to the driven shaft without causing undue stress on the connected components.
  • Smooth Power Transmission: Flexible couplings help reduce shocks and vibrations that can occur during startup, shutdown, or sudden load changes. By damping these vibrations, the coupling ensures smooth power transmission and protects the connected equipment from unnecessary wear.
  • Rotational Speed Control: In certain applications, especially those involving precision motion control, maintaining consistent rotational speed is critical. Flexible couplings can help by minimizing backlash and torsional wind-up. Backlash refers to the play or gap between the coupling’s components, while torsional wind-up is the twisting deformation that can occur under torque load. Flexible couplings with low backlash and high torsional stiffness contribute to accurate rotational speed control.
  • Compensation for Misalignment: Rotating machinery may experience misalignment due to various factors such as thermal expansion, foundation settling, or machining tolerances. Flexible couplings accommodate angular, parallel, and axial misalignments, which helps in maintaining proper alignment between the shafts and reduces unnecessary torque variations.
  • Protection from Overloads: Flexible couplings can act as a mechanical fuse by disengaging or slipping when subjected to excessive torque loads. This feature protects the connected components from damage caused by sudden overloads or jamming events.
  • Energy Efficiency: Certain types of flexible couplings, such as elastomeric couplings or beam couplings, have low mass and inertia. This characteristic reduces energy losses and contributes to overall system efficiency.

By providing reliable torque transmission, smooth power transfer, rotational speed control, and compensation for misalignment, flexible couplings optimize the performance and longevity of rotating machinery. Additionally, they enhance the safety and efficiency of various industrial processes by protecting equipment from excessive loads and ensuring smooth operation in diverse applications.

flexible coupling

How does a flexible coupling affect the noise and vibration levels in a mechanical system?

A flexible coupling plays a crucial role in controlling noise and vibration levels in a mechanical system. It can significantly impact the overall smoothness and quietness of the system’s operation, contributing to enhanced performance and reduced wear on connected components.

Noise Reduction:

Flexible couplings help reduce noise in a mechanical system through their inherent ability to dampen vibrations. When the shafts of rotating machinery are not perfectly aligned, it can lead to vibrations that are transmitted throughout the system, resulting in noise generation. The elastomeric or flexible element of the coupling acts as a vibration dampener, absorbing and dissipating these vibrations. As a result, the noise levels in the system are reduced, creating a quieter operating environment.

Vibration Damping:

Vibrations in a mechanical system can lead to increased wear and tear on critical components, such as bearings, seals, and gears. Excessive vibrations can also cause resonance and damage to the system over time. Flexible couplings can effectively dampen vibrations by acting as a buffer between the driving and driven shafts. The flexible element absorbs the shock and vibrations, preventing them from propagating to other parts of the system. This vibration damping capability not only reduces noise but also protects the system from potential mechanical failures, extending the lifespan of the equipment.

Alignment Compensation:

Misalignment between shafts is a common cause of vibration and noise in rotating machinery. Flexible couplings excel at compensating for both angular and parallel misalignment. By accommodating misalignment, the coupling reduces the forces acting on the shafts and minimizes the generation of vibrations and noise. Proper alignment through the use of a flexible coupling ensures that the system operates smoothly and quietly.

Effect on Equipment Reliability:

Reducing noise and vibration levels has a positive impact on the reliability of connected equipment. Lower vibrations mean less stress on bearings and other rotating components, leading to extended component life and reduced maintenance requirements. A quieter operating environment can also be essential for certain applications, such as in laboratories or precision manufacturing processes, where excessive noise can interfere with delicate tasks or measurements.

Applications:

Flexible couplings find application in a wide range of industries, such as manufacturing, power generation, material handling, automotive, aerospace, and robotics. They are commonly used in pumps, compressors, fans, conveyors, and other rotating machinery where noise and vibration control are critical for smooth and reliable operation.

Summary:

A flexible coupling’s ability to reduce noise and dampen vibrations makes it an essential component in mechanical systems. By compensating for misalignment and providing vibration dampening properties, the flexible coupling enhances the overall system performance, reduces noise levels, and protects connected equipment from excessive wear and mechanical failures. Choosing the right type of flexible coupling based on the specific application requirements can have a significant impact on noise reduction and vibration control in the mechanical system.

China Best Sales Quick Coupling Flexible Fire Connectors Air Hose Coupling  China Best Sales Quick Coupling Flexible Fire Connectors Air Hose Coupling
editor by CX 2024-04-12


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