Product Description

FBE Epoxy Coated Flexible Joint Universal Coupling

Details

ITEM	DESCRIPTION
Universal Coupling	Center Sleeve	GGG50
	End Ring	GJS500-7
	Rubber Seal	EPDM
	Bolt	Dacromet Coated Steel/Stainless steel
	Washer	Dacromet Coated Steel/Stainless steel
	Nut	Dacromet Coated Steel/Stainless steel
	Pressure	PN16
	Coating	Blue FBE Coated

Packing

Company information
HangZhou Shungji Technology Industry Co., Ltd. (SHJ) is a professional company that provides high-quality casting and forging product services for the fluid pipeline industry. Since its establishment in 2001, SHJ has been trusted by customers for many years due to its honest business philosophy, high-quality products and services, and a technical team with over 30 years of casting experience. Today, our customers have spread to multiple countries in Europe, the America, and Australia, including leading companies in the fluid industry with a century of history.

To this day, SHJ still implements dual development of casting and forging products to meet the needs of its customers. Our main products include ductile iron pipe fittings (elbows, tees, reducers, detachable pipe joints, elevators, etc.), ductile iron flanges, ductile iron valves (butterfly valves, ball valves, etc.), forged steel flanges, butt welded pipe fittings, etc.

SHJ is your guarantee of quality!

Other products

Company Information
HangZhou Shungji Technology Industry Co., Ltd. (SHJ) is a professional company that provides high-quality casting and forging product services for the fluid pipeline industry. Since its establishment in 2001, SHJ has been trusted by customers for many years due to its honest business philosophy, high-quality products and services, and a technical team with over 30 years of casting experience. Today, our customers have spread to multiple countries in Europe, the America, and Australia, including leading companies in the fluid industry with a century of history.

To this day, SHJ still implements dual development of casting and forging products to meet the needs of its customers. Our main products include ductile iron pipe fittings (elbows, tees, reducers, detachable pipe joints, elevators, etc.), ductile iron flanges, ductile iron valves (butterfly valves, ball valves, etc.), forged steel flanges, butt welded pipe fittings, etc.

SHJ is your guarantee of quality!

Team Building

FAQ

Q: What are your payment terms?

A: T/T (50% TT in advance, the rest 50% will be paid before delivery), L/C at sight

Q: Can you make the product as per client's requirement?

A: Yes, we can make it with your exact requirement

Q: Where is your nearest loading port?

A: HangZhou, China.

Q: How can you guarantee the quality or any warranty?

A: If any quality problems occured, you can contact us and we will handle it as consumer's requests. 

Q: Do you accept small quantity order?

A: Yes, you can order few sets to test. 

Q: Can we choose different material.

A: Yes, the material can be chose according to your requirement.

Q: What is your shipment and delivery time?

A: By sea or train. Normally 25-70 Days for delivery, according to your order quantity.

Can flexible couplings be used in heavy-duty applications such as mining and construction?

Yes, flexible couplings can be used in heavy-duty applications such as mining and construction, where the equipment operates under challenging conditions and encounters high loads, vibrations, and misalignments. Flexible couplings offer several advantages that make them suitable for these demanding environments:

• Misalignment Compensation: Heavy-duty equipment in mining and construction may experience misalignment due to the rough terrain, uneven surfaces, or heavy loads. Flexible couplings can handle both angular and parallel misalignment, ensuring smooth power transmission even in these adverse conditions.
• Shock and Vibration Absorption: Mining and construction operations often involve high-impact loads and vibrations. Flexible couplings can dampen and absorb these shocks, protecting the connected components from damage and reducing wear and tear on the equipment.
• Torsional Stiffness: While flexible couplings are designed to accommodate misalignment, they still maintain a certain level of torsional stiffness to transmit torque efficiently. This is crucial in heavy-duty applications, where high torque is required to drive the machinery.
• Corrosion and Contamination Resistance: In mining and construction environments, equipment may be exposed to dust, dirt, water, and chemicals. Flexible couplings made from corrosion-resistant materials can withstand these harsh conditions, ensuring reliable performance and longevity.
• High Torque Transmission: Heavy-duty machinery often requires high torque transmission between the driving and driven components. Flexible couplings are capable of transmitting high torque efficiently, which is essential for the operation of large-scale equipment.
• Reduced Downtime: The robustness and reliability of flexible couplings in heavy-duty applications contribute to reduced downtime. By minimizing the impact of misalignment, shocks, and vibrations, flexible couplings help prevent unexpected breakdowns and maintenance issues.

When selecting a flexible coupling for heavy-duty applications, it's important to consider the specific requirements of the machinery and the operating conditions. Factors such as the type of equipment, torque and speed requirements, environmental conditions, and expected loads should be taken into account.

Overall, flexible couplings are a versatile solution for power transmission in heavy-duty applications, providing the necessary flexibility, durability, and performance to withstand the challenges posed by the mining and construction industries.

How does a flexible coupling accommodate changes in shaft alignment due to thermal expansion?

Flexible couplings are designed to accommodate changes in shaft alignment that occur due to thermal expansion in rotating machinery. When equipment operates at elevated temperatures, the materials used in the shafts and other components expand, causing shifts in the relative positions of the connected shafts. This thermal expansion can lead to misalignment, which, if not addressed, may result in additional stress on the equipment and premature wear.

Flexible couplings employ specific design features that allow them to handle thermal-induced misalignment effectively:

• Flexibility: The primary feature of a flexible coupling is its ability to flex and deform to some extent. This flexibility allows the coupling to absorb small amounts of angular, parallel, and axial misalignment that may result from thermal expansion. As the shafts expand or contract, the flexible coupling compensates for the misalignment, helping to maintain proper alignment between the two shafts.
• Radial Clearance: Some flexible couplings, such as elastomeric couplings, have radial clearance between the coupling's mating parts. This radial clearance provides additional room for the shafts to move laterally during thermal expansion without creating excessive forces on the coupling or connected equipment.
• Sliding Elements: Certain flexible couplings feature sliding elements that can move relative to each other. This capability allows the coupling to accommodate axial displacement resulting from thermal expansion or other factors.
• Flexible Element Materials: The materials used in the flexible elements of the coupling are chosen for their ability to handle the temperature range experienced in the application. Elastomeric materials, for example, can be selected to withstand high temperatures while still maintaining their flexibility.

It is essential to understand that while flexible couplings can compensate for some degree of thermal-induced misalignment, there are limits to their capabilities. If the thermal expansion exceeds the coupling's compensating range, additional measures, such as incorporating expansion joints or using specialized couplings designed for greater misalignment compensation, may be necessary.

When selecting a flexible coupling for an application with potential thermal expansion, it is crucial to consider the expected operating temperature range and the level of misalignment that may occur due to thermal effects. Working with coupling manufacturers and consulting coupling catalogs can help in choosing the most suitable coupling type and size for the specific thermal conditions of the machinery.

Are there any safety considerations when using flexible couplings in rotating machinery?

Yes, there are several safety considerations to keep in mind when using flexible couplings in rotating machinery. While flexible couplings offer numerous benefits in terms of misalignment compensation, vibration isolation, and shock absorption, improper use or maintenance can lead to safety hazards. Here are some important safety considerations:

• Proper Installation: Ensure that the flexible coupling is installed correctly and securely following the manufacturer's guidelines. Improper installation can lead to coupling failure, unexpected disconnection, or ejection of coupling components, which may result in equipment damage or injury to personnel.
• Alignment: Proper shaft alignment is essential for the reliable and safe operation of flexible couplings. Misaligned shafts can cause excessive stress on the coupling and connected components, leading to premature wear and possible failure. Regularly check and maintain proper shaft alignment to prevent safety risks.
• Operating Conditions: Consider the environmental and operating conditions of the machinery when selecting a flexible coupling. Some couplings are designed for specific temperature ranges, hazardous environments, or corrosive atmospheres. Using a coupling that is not suitable for the operating conditions can compromise safety and performance.
• Torque and Speed Limits: Always operate the flexible coupling within its specified torque and speed limits. Exceeding these limits can cause coupling failure, leading to unexpected downtime, equipment damage, and potential safety hazards.
• Maintenance: Regularly inspect and maintain the flexible coupling to ensure its continued safe operation. Check for signs of wear, damage, or corrosion, and promptly replace any worn or damaged components with genuine parts from the manufacturer.
• Emergency Stop Mechanism: In applications where safety is critical, consider implementing an emergency stop mechanism to quickly halt machinery operation in case of coupling failure or other emergencies.
• Personal Protective Equipment (PPE): When working with rotating machinery or during maintenance tasks involving couplings, personnel should wear appropriate PPE, such as gloves, eye protection, and clothing that can resist entanglement hazards.
• Training and Awareness: Ensure that personnel working with the machinery understand the potential hazards associated with flexible couplings and receive proper training on safe handling, installation, and maintenance procedures.

By adhering to these safety considerations, operators and maintenance personnel can mitigate potential risks and ensure the safe and reliable operation of rotating machinery with flexible couplings. Additionally, it is essential to comply with relevant safety standards and regulations specific to the industry and application to ensure a safe working environment.

editor by CX 2023-09-05