Product Description
Product Description
Stainless steel electrical supplies flexible conduit to emt pipe coupling
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. | Flexible Conduit Size | Thin Wall Rigid Pipe Size | Thick Wall Rigid Pipe Size | |||||||
| Metric | Inch | Metric | Inch | O.D(mm) | W.T (mm) | Metric | Inch | O.D(mm) | W.T (mm) | |
| SFC-10 | Φ10 | 5/16″ | DN12 | 1/2″ | 12.76 | 1.60 | DN10 | 5/16″ | – | – |
| SFC-12 | Φ12 | 3/8″ | DN15 | 5/8″ | 15.87 | 1.60 | DN12 | 3/8″ | 17.00 | 2.25 |
| SFC-15 | Φ15 | 1/2″ | DN20 | 3/4″ | 19.05 | 1.60 | DN15 | 1/2″ | 21.25 | 2.75 |
| SFC-20 | Φ20 | 3/4″ | DN25 | 1″ | 25.40 | 1.80 | DN20 | 3/4″ | 26.75 | 2.75 |
| SFC-25 | Φ25 | 1″ | DN32 | 1-1/4″ | 31.75 | 1.80 | DN25 | 1″ | 33.50 | 3.25 |
| SFC-32 | Φ32 | 1-1/4″ | DN40 | 1-1/2″ | 38.10 | 1.80 | DN32 | 1-1/4″ | 42.25 | 3.25 |
| SFC-38 | Φ38 | 1-1/2″ | DN50 | 2″ | 50.80 | 2.00 | DN40 | 1-1/2″ | 48.00 | 3.50 |
| SFC-51 | Φ51 | 2″ | DN70 | 2-1/2″ | 63.50 | 2.50 | DN50 | 2″ | 60.00 | 3.50 |
| SFC-64 | Φ64 | 2-1/2″ | DN80 | 3″ | 76.20 | 3.20 | DN70 | 2-1/2″ | 75.50 | 3.75 |
| SFC-75 | Φ75 | 3″ | DN80 | 3″ | 88.50 | 4.00 | ||||
| SFC-100 | Φ100 | 4″ | DN100 | 4″ | 114.00 | 4.00 | ||||
| SFC-125 | Φ125 | 5″ | DN125 | 5″ | 140.00 | 4.50 | ||||
| SFC-150 | Φ150 | 6″ | DN150 | 6″ | 165.00 | 4.50 | ||||
1. Made of stainless steel material to increase corrosive resistance and durability.
2. All metal parts can be made of stainless steel material.
3. Smooth inner surface keep cables and wires away from abrasion.
4. Widely used for connecting flexible conduit to rigid pipe without threads.
5. Many specifications are available.
6. Suitable for many different types of flexible conduits
7. Other types of electrical conduit fitting.
8. 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 does a flexible coupling handle electrical insulation between shafts?
Flexible couplings are typically not designed to provide electrical insulation between shafts. In most cases, flexible couplings are used solely for the purpose of transmitting mechanical power from one shaft to another while accommodating misalignment and absorbing shocks and vibrations. They do not offer any electrical isolation or insulation properties.
When electrical insulation is required between two rotating shafts in a system, additional components or specialized couplings are used. For applications where electrical isolation is necessary, insulated couplings or special insulation components can be employed. These types of couplings feature insulating materials, coatings, or designs that prevent electrical current from flowing between the connected shafts.
Insulated couplings can be beneficial in certain applications, such as electric motor drives or systems involving sensitive electronics. They help prevent stray currents, ground loops, and electrical interference that could potentially damage equipment or affect the accuracy of electronic signals. However, it is important to note that not all flexible couplings provide this electrical insulation capability, and users should carefully select couplings that meet the specific electrical isolation requirements of their application.
Summary: Flexible couplings, as standard mechanical components, do not inherently provide electrical insulation between shafts. They are primarily used for mechanical power transmission and misalignment compensation. If electrical insulation is needed between rotating shafts, insulated couplings or specialized components with insulating properties should be chosen to meet the specific requirements of the application.
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.
How does a flexible coupling handle angular, parallel, and axial misalignment?
A flexible coupling is designed to accommodate various types of misalignment between two rotating shafts: angular misalignment, parallel misalignment, and axial misalignment. The flexibility of the coupling allows it to maintain a connection between the shafts while compensating for these misalignment types. Here’s how a flexible coupling handles each type of misalignment:
- Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Flexible couplings can handle angular misalignment by incorporating an element that can flex and bend. One common design is the “spider” or “jaw” element, which consists of elastomeric materials. As the shafts are misaligned, the elastomeric element can deform slightly, allowing the coupling to accommodate the angular offset between the shafts while still transmitting torque.
- Parallel Misalignment: Parallel misalignment, also known as offset misalignment, occurs when the axes of the two shafts are parallel but not perfectly aligned with each other. Flexible couplings can handle parallel misalignment through the same elastomeric element. The flexible nature of the element enables it to shift and adjust to the offset between the shafts, ensuring continuous power transmission while minimizing additional stresses on the machinery.
- Axial Misalignment: Axial misalignment, also called end-play misalignment, occurs when the two shafts move closer together or farther apart along their common axis. Flexible couplings can handle axial misalignment through specific designs that allow limited axial movement. For instance, some couplings use slotted holes or a floating member that permits axial displacement while maintaining the connection between the shafts.
By providing the capability to handle angular, parallel, and axial misalignment, flexible couplings offer several advantages for power transmission systems:
- They help to prevent premature wear and damage to the connected equipment, reducing maintenance and replacement costs.
- They minimize vibration and shock loads, enhancing the overall smoothness and reliability of the machinery.
- They reduce the risk of equipment failure due to misalignment-induced stresses, improving the system’s operational life.
- They allow for easier installation and alignment adjustments, saving time and effort during setup and maintenance.
Overall, flexible couplings play a crucial role in handling misalignment and ensuring efficient power transmission in various industrial applications.
editor by CX 2024-02-25