Product Description

 

Product Description

Female thread electrical flexible conduit fittings rigid threaded emt pipe couplings
Material:SS304/316,Zinc plated Iron,Nickel plated Brass
Thread: Metric, G thread, NPT thread
Suitable Conduit Size: Φ6(3/16″)- Φ150(6″)
Usage: Connecting flexible cable conduits and distribution boxes (or rigid pipes with female thread at ends)
Feature: Nice performance, tight structure. Great tightness,  anti-corrosion, dust-free and waterproof when being connected with flexible conduits and distribution boxes (or pipes).
Specification: Other sizes and material can be customized.

 

Item No.	Thread			Conduit Size
	Metric	G Thread	NPT Thread	Inch	Metric(mm)
LTF-6	M14X1.5	–	–	3/16″	Φ6
LTF-8	M16X1.5	–	–	1/4″	Φ8
LTF-10	M16X1.5	–	–	5/16″	Φ10
LTF-12	M20X1.5	G3/8″	NPT3/8″	3/8″	Φ12
LTF-15	M20X1.5	G1/2″	NPT1/2″	1/2″	Φ15
LTF-20	M25X1.5	G3/4″	NPT3/4″	3/4″	Φ20
LTF-25	M32X1.5	G1″	NPT1″	1″	Φ25
LTF-32	M40X1.5	G1-1/4″	NPT1-1/4″	1-1/4″	Φ32
LTF-38	M50X1.5	G1-1/2″	NPT1-1/2″	1-1/2″	Φ38
LTF-51	M63X1.5	G2″	NPT2″	2″	Φ51
LTF-64	M76X2.0	G2-1/2″	NPT2-1/2″	2-1/2″	Φ64
LTF-75	M88X2.0	G3″	NPT3″	3″	Φ75
LTF-100	M114X2.0	G4″	NPT4″	4″	Φ100
LTF-125	M140X2.0	G5″	NPT5″	5″	Φ125
LTF-150	M164X2.0	G6″	NPT6″	6″	Φ150

 

1. Made of stainless steel material to increase corrosive resistance and durability.

2. Bodies, backnuts, and ferrules, all metal parts are made of stainless steel at same grade.

3. Polished surface, smooth thread without burrs.

4. Widely used for connecting flexible conduit to other electrical enclosures with male thread.

5. Many specifications are available.

6. Suitable for many different types of flexible conduits

7. Other types of electrical conduit fittings are waiting for your choice.

8. Requirements of OEM and ODM are welcome.

 

Packaging & Shipping

 

1. All fittings will be put into plastic bags to keep moisture away.

2. All bags of fittings will be put into cartons.

 

3. All cartons of fittings will be put on wooden pallet or in wooden cases, to suitable for long distance shipping.

4. Shipping medthods are very flexible, by express, by air, by sea, by truck, by railway, any medthod you need will be met.

 

 

Company Profile

ZheJiang Daqiml International Trade Co., Ltd was founded in Xihu (West Lake) Dis. New Area High-tech Area of ZheJiang in April 2017, we are specialized in researching, making and selling pipe fittings, fasteners, electrical pipes, cable glands and other electrical enclosures. Main products are straight/90 degree/45 degree liquid tight connectors, metal cable glands, PVC coated steel conduits, interlocked flexible conduit with PVC coated, stainless steel braided flexible conduits, stainless steel straight/90 degree cable glands, pipe clamps, U-bolts, and so on. Products are widely used in electrical supporting equipment, mechanical engineering, automation engineering, communication engineering, rail transit, petrochemical industry, offshore platform, central air-conditioning, and so on. With high quality and good price, our products have been exported to many different countries. Meantime, our company can design and make products to meet customers’ real demand, as well as representative service of importing and exporting products.
Integrity and credibility, and continuous innovation is as company’s core values.People here are full of passion, creativity and implementation capacity, we always devote ourselves to provide the best quality products and service to each customer.   

 

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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.

Can flexible couplings be used in power generation equipment, such as turbines and generators?

Yes, flexible couplings are commonly used in power generation equipment, including turbines and generators. These critical components of power generation systems require reliable and efficient shaft connections to transfer power from the prime mover (e.g., steam turbine, gas turbine, or internal combustion engine) to the electricity generator.

Flexible couplings play a vital role in power generation equipment for the following reasons:

• Misalignment Compensation: Power generation machinery often experiences misalignment due to factors like thermal expansion, settling, and foundation shifts. Flexible couplings can accommodate these misalignments, reducing the stress on shafts and minimizing wear on connected components.
• Vibration Dampening: Turbines and generators can generate significant vibrations during operation. Flexible couplings help dampen these vibrations, reducing the risk of resonance and excessive mechanical stress on the system.
• Torsional Shock Absorption: Power generation equipment may encounter torsional shocks during startup and shutdown processes. Flexible couplings can absorb and dissipate these shocks, protecting the entire drivetrain from damage.
• Isolation of High Torque Loads: Some power generation systems may have torque fluctuations during operation. Flexible couplings can isolate these fluctuations, preventing them from propagating to other components.
• Electrical Isolation: In certain cases, flexible couplings with non-metallic elements can provide electrical isolation, preventing the transmission of electrical currents between shafts.

Power generation applications impose specific requirements on flexible couplings, such as high torque capacity, robust construction, and resistance to environmental factors like temperature and humidity. Different types of flexible couplings, including elastomeric, metallic, and composite couplings, are available to meet the varying demands of power generation equipment.

When selecting a flexible coupling for power generation equipment, engineers must consider factors such as the type of prime mover, torque and speed requirements, operating conditions, and the specific application’s environmental challenges. Consulting with coupling manufacturers and following their engineering recommendations can help ensure the appropriate coupling is chosen for each power generation system.

How do flexible couplings compare to other types of couplings in terms of performance?

Flexible couplings offer distinct advantages and disadvantages compared to other types of couplings, making them suitable for specific applications. Here is a comparison of flexible couplings with other commonly used coupling types in terms of performance:

• Rigid Couplings:

Rigid couplings are simple in design and provide a solid connection between two shafts, allowing for precise torque transmission. They do not offer any flexibility and are unable to compensate for misalignment. As a result, rigid couplings require accurate shaft alignment during installation, and any misalignment can lead to premature wear and increased stress on connected equipment. Rigid couplings are best suited for applications where shaft alignment is precise, and misalignment is minimal, such as in well-aligned systems with short shaft spans.

• Flexible Couplings:

Flexible couplings, as discussed previously, excel at compensating for misalignment between shafts. They offer angular, parallel, and axial misalignment compensation, reducing stress on connected components and ensuring smooth power transmission. Flexible couplings are versatile and can handle various applications, from light-duty to heavy-duty, where misalignment, vibration damping, or shock absorption is a concern. They provide a cost-effective solution for many industrial, automotive, and machinery applications.

• Oldham Couplings:

Oldham couplings are effective at compensating for angular misalignment while maintaining constant velocity transmission. They offer low backlash and electrical isolation between shafts, making them suitable for precision motion control and applications where electrical interference must be minimized. However, Oldham couplings have limited capacity to handle parallel or axial misalignment, and they may not be suitable for applications with high torque requirements.

• Gear Couplings:

Gear couplings are robust and can handle high torque levels, making them suitable for heavy-duty applications such as mining and steel mills. They offer good misalignment compensation and have a compact design. However, gear couplings are relatively more expensive and complex than some other coupling types, and they may generate more noise during operation.

• Disc Couplings:

Disc couplings provide excellent misalignment compensation, including angular, parallel, and axial misalignment. They have high torsional stiffness, making them ideal for applications where accurate torque transmission is critical. Disc couplings offer low inertia and are suitable for high-speed applications. However, they may be more sensitive to shaft misalignment during installation, requiring precise alignment for optimal performance.

• Conclusion:

The choice of coupling type depends on the specific requirements of the application. Flexible couplings excel in compensating for misalignment and vibration damping, making them versatile and cost-effective solutions for many applications. However, in situations where high torque, precision, or specific electrical isolation is necessary, other coupling types such as gear couplings, disc couplings, or Oldham couplings may be more suitable. Proper selection, installation, and maintenance of the coupling are essential to ensure optimal performance and reliability in any mechanical system.

editor by CX 2024-02-13