Product Description

Product Details

 

Product Name	Socket-welded Full Coupling
Material	Stainless steel: 201,TP304,TP316, TP304L, TP316L, 304L, 316L, TP321, TP310S, 904L etc.             Carbon steel: A105, Q234, Q235, X52, F60,F70, Y60, Y70 etc. Duplex steel: 2205(S31803), S32205, 2507(S2750),  S3276 etc. Other special: C70600, 254MO
Connection	Socket Welding
Size	1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2-1/2″, 3″, 4 ” etc
Standard	ASME, ANSI, MSS-SP, GB etc
Application	Pipe lines connection of water, steam, air, gas, oil etc
Technics	Forged, Casting

 
Socket Welding

DN	Nom Pipe Size	B2	C1		D2	E2	J (Min)
			Avg	Min

3000LB
6	1/8	10.8	3.18	3.18	6.9	6.5	9.5
8	1/4	14.2	3.78	3.30	9.3	6.5	9.5
10	3/8	17.6	4.01	3.50	12.6	6.5	9.5
15	1/2	21.8	4.67	4.09	15.8	9.5	9.5
20	3/4	27.2	490	4.27	21.0	9.5	12.5
25	1	33.9	5.69	4.98	26.7	12.5	12.5
32	1-1/4	42.7	6.07	5.28	35.1	12.5	12.5
40	1-1/2	48.8	6.35	5.54	40.9	12.5	12.5
50	2	61.2	6.93	6.04	52.5	19.0	16.0
65	2-1/2	73.9	8.76	7.67	62.7	19.0	16.0
80	3	89.8	9.52	8.3	78.0	19.0	16.0
100	4	115.2	10.69	9.35	102.3	19.0	19.0
6000LB
6	1/8	10.8	3.96	3.43	4.0	6.5	9.5
8	1/4	14.2	4.60	4.01	6.4	6.5	9.5
10	3/8	17.6	5.03	4.37	9.2	6.5	9.5
15	1/2	21.8	5.97	5.18	11.8	9.5	9.5
20	3/4	27.2	6.96	6.04	15.6	9.5	12.5
25	1	33.9	7.92	6.93	20.7	12.5	12.5
32	1-1/4	42.7	7.92	6.93	29.5	12.5	12.5
40	1-1/2	48.8	8.92	7.80	34.0	12.5	12.5
50	2	61.2	10.92	9.50	42.9	19.0	16.0
9000LB
15	1/2	21.8	9.35	8.18	6.4	9.5	9.5
20	3/4	27.2	9.78	8.56	11.1	9.5	12.5
25	1	33.9	11.8	9.96	15.2	12.5	12.5
32	1-1/4	42.7	12.14	10.62	22.8	12.5	12.5
40	1-1/2	48.8	48.8	12.70	11.12	28.0	12.5
50	2	61.2	13.84	12.12	38.2	19.0	16.0

 

Our Advantages

01. Customization

Get a perfect, custom pipe coupling

 

 

02. Advanced Technique

Mature and advanced equipment and professional test engineers ensure high quality products

03. Excellent Quality

Real material with uniform wall thickness
Smooth surface
Strong tensile strength
Corrosion resistance
Long-term use

 

 

Appilcation

Transportation

About Us

      Founded in 2571, our company, HangZhou Dejia Special Steel Co., Ltd is specialized in producing various products such as elbows, tees, reducers, caps, flanges and valves. We can produce products according to National standard, American standard etc. It’s our feature that we can produce products of any size ad per customers’ special demands.

     Our company CHINAMFG on honesty, continuity and transparency with our clients. We would like to cooperate with global customers and make the good protection project in world market.

    Why choose our company? We features scientific and rational design, advanced production process, quality manufacturing materials,  comprehensive security protection and first-class after-sales service.

FAQ

Q: What are your main products?
A: We specialize in producing a wide range of valves, elbows, flanges, Tee, Cross, gaskets etc.

Q: How long is your delivery time?
A:Usually it’s 15-30 days all the best or it’s more than 30 days according to the quantity.

Q: Do you provide samples? Free or charge?
A:Yes, we’d like to offer you samples but you have to cough up dough for shipping.

Q: How do you guarantee the quality of your products?
A: Before mass production, a few products made by our engineers for conduct tests. All products must be checked before shipping.

Q: How about your service?
A: Xihu (West Lake) Dis.g to the concept of ” Service Supremacy”, we have pre-sale service, on-purchase service and after-sales service.

Q: About packing?
A: Depending on the properties of the product, choose its appropriate packaging to protect the item from damage and allow you to purchase at ease.

Q: About color difference?
A:  All products are shot in real objects, and there will be a slight degree of color difference between the real thing and the picture due to the shooting light, the color value bias of the display, and the individual’s understanding of color. Colour is subject to the goods received.

Q: What size can your company produce?
A: We have all the common sizes on the market. In addition, we can also customize according to your needs, whether its size or material.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Torque and Speed Ratings of Flange Couplings

Flange couplings are available in various sizes and designs to accommodate a wide range of torque and rotational speed requirements. The torque and speed ratings of flange couplings depend on several factors, including their size, material, and design.

Torque Rating:

The torque rating of a flange coupling indicates the maximum amount of torque it can transmit without experiencing failure or damage. It is typically specified in Nm (Newton-meters) or lb-ft (pound-feet). The torque rating varies for different sizes and types of flange couplings. Larger flange couplings generally have higher torque ratings compared to smaller ones.

Speed Rating:

The speed rating of a flange coupling represents the maximum rotational speed at which it can operate reliably without excessive vibration or wear. It is typically expressed in RPM (revolutions per minute). The speed rating is influenced by factors such as the design, material, and balancing of the flange coupling. Higher-speed applications require flange couplings that can handle the increased centrifugal forces and dynamic loads associated with higher RPMs.

Size and Type:

The torque and speed ratings vary for different sizes and types of flange couplings. For example:

• Smaller flange couplings, such as those used in light-duty applications, may have torque ratings ranging from a few Nm to several hundred Nm, and speed ratings up to a few thousand RPM.
• Larger flange couplings, used in heavy-duty industrial applications, can have torque ratings exceeding several thousand Nm and speed ratings that may reach tens of thousands of RPM.
• Flexible flange couplings may have slightly lower torque ratings compared to rigid flange couplings but offer greater misalignment compensation.

Manufacturer Specifications:

It is essential to refer to the manufacturer’s specifications and technical data to determine the specific torque and speed ratings for each size and type of flange coupling. Manufacturers typically provide detailed performance data to help users select the appropriate flange coupling for their specific application.

Application Considerations:

When selecting a flange coupling, it is crucial to consider the torque and speed requirements of the application. The operating conditions, such as load fluctuations and thermal effects, should also be taken into account to ensure the flange coupling’s reliable performance and longevity.

Conclusion:

Flange couplings come in various sizes and designs, each with its own torque and speed ratings. Properly selecting a flange coupling that meets the specific torque and speed requirements of the application is essential to ensure efficient and trouble-free power transmission in mechanical systems.

What Role Does a Flange Coupling Play in Minimizing Wear and Tear on Connected Components?

A flange coupling plays a critical role in minimizing wear and tear on connected components in rotating machinery. It accomplishes this by effectively transmitting torque between two shafts while accommodating misalignment and reducing the transmission of shock and vibration. Here’s how a flange coupling achieves these benefits:

• Misalignment Compensation: Flange couplings are designed to accommodate both angular and parallel misalignment between the shafts they connect. As machinery operates, shafts may experience slight misalignment due to thermal expansion, manufacturing tolerances, or other factors. The flexible nature of certain flange coupling designs allows them to compensate for these misalignments, preventing excessive stress on connected components that could lead to wear.
• Shock and Vibration Damping: Flange couplings help dampen shock and vibration during machinery operation. When a machine experiences sudden impacts or vibrations, the flexibility of some flange coupling types absorbs and disperses these forces. By reducing the transfer of shocks and vibrations to the connected components, flange couplings protect the machinery from excessive stress and premature wear.
• Smooth Torque Transmission: Flange couplings provide a smooth and reliable means of transmitting torque from one shaft to another. The secure connection between the two shafts ensures that torque is efficiently transmitted without slippage or sudden jolts. This smooth torque transmission helps prevent unnecessary wear on the shafts and other connected components.
• Reduced Maintenance: By minimizing wear and tear on connected components, flange couplings contribute to reduced maintenance requirements. When components experience less stress and wear, their lifespan is extended, resulting in fewer maintenance interventions and decreased downtime for repairs or replacements.
• Protection Against Overloads: In cases of sudden overloads or torque spikes, flange couplings can act as a safety feature by allowing some degree of slippage or disengagement. This protects the connected machinery from potential damage caused by excessive loads.

In summary, a flange coupling’s ability to compensate for misalignment, dampen shocks and vibrations, provide smooth torque transmission, and protect against overloads makes it a crucial component in minimizing wear and tear on connected machinery. By choosing the appropriate flange coupling design for a specific application, engineers can enhance the reliability and longevity of the entire system while reducing maintenance and downtime costs.

What are the Maintenance Requirements for Flange Couplings?

Flange couplings require regular maintenance to ensure optimal performance and longevity. Proper maintenance can help prevent unexpected failures and downtime in the machinery or equipment. Here are the key maintenance requirements for flange couplings:

1. Inspection: Regularly inspect the flange coupling for signs of wear, damage, or misalignment. Check for cracks, corrosion, or any deformations in the flange and bolt holes. Ensure that the coupling is properly aligned with the shafts.2. Lubrication: Lubricate the flange coupling as per the manufacturer’s recommendations. Proper lubrication helps reduce friction and wear between the mating surfaces of the flanges, bolts, and nuts. Use the right type of lubricant that is compatible with the coupling material.3. Bolt Torque Check: Check the bolt torque regularly to ensure that the flange coupling is securely fastened. Loose bolts can lead to misalignment and coupling failure. Follow the recommended torque values provided by the manufacturer.4. Alignment: Maintain proper shaft alignment to prevent excessive forces on the flange coupling. Misalignment can cause uneven load distribution and accelerated wear on the coupling components.5. Environmental Protection: If the flange coupling is exposed to harsh or corrosive environments, take necessary measures to protect it. Consider using protective coatings or seals to prevent corrosion and damage.6. Regular Servicing: Schedule regular servicing of the machinery or equipment, including the flange coupling. This allows for a thorough inspection and timely replacement of worn-out or damaged components.7. Replacement of Worn Parts: When signs of wear or damage are detected during inspections, replace the worn or damaged parts promptly. Delaying the replacement can lead to further damage and compromise the performance of the coupling.8. Follow Manufacturer’s Guidelines: Always follow the maintenance guidelines provided by the flange coupling manufacturer. They may have specific recommendations based on the design and material of the coupling. Proper maintenance and regular checks can extend the life of the flange coupling and contribute to the overall reliability and efficiency of the connected machinery. It is essential to create a maintenance schedule and adhere to it diligently to ensure the smooth operation of the flange coupling and the entire mechanical system.

editor by CX 2024-04-10

Product Description

Product Details

 

Product Name	Socket-welded Full Coupling
Material	Stainless steel: 201,TP304,TP316, TP304L, TP316L, 304L, 316L, TP321, TP310S, 904L etc.             Carbon steel: A105, Q234, Q235, X52, F60,F70, Y60, Y70 etc. Duplex steel: 2205(S31803), S32205, 2507(S2750),  S3276 etc. Other special: C70600, 254MO
Connection	Socket Welding
Size	1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2-1/2″, 3″, 4 ” etc
Standard	ASME, ANSI, MSS-SP, GB etc
Application	Pipe lines connection of water, steam, air, gas, oil etc
Technics	Forged, Casting

 
Socket Welding

DN	Nom Pipe Size	B2	C1		D2	E2	J (Min)
			Avg	Min

3000LB
6	1/8	10.8	3.18	3.18	6.9	6.5	9.5
8	1/4	14.2	3.78	3.30	9.3	6.5	9.5
10	3/8	17.6	4.01	3.50	12.6	6.5	9.5
15	1/2	21.8	4.67	4.09	15.8	9.5	9.5
20	3/4	27.2	490	4.27	21.0	9.5	12.5
25	1	33.9	5.69	4.98	26.7	12.5	12.5
32	1-1/4	42.7	6.07	5.28	35.1	12.5	12.5
40	1-1/2	48.8	6.35	5.54	40.9	12.5	12.5
50	2	61.2	6.93	6.04	52.5	19.0	16.0
65	2-1/2	73.9	8.76	7.67	62.7	19.0	16.0
80	3	89.8	9.52	8.3	78.0	19.0	16.0
100	4	115.2	10.69	9.35	102.3	19.0	19.0
6000LB
6	1/8	10.8	3.96	3.43	4.0	6.5	9.5
8	1/4	14.2	4.60	4.01	6.4	6.5	9.5
10	3/8	17.6	5.03	4.37	9.2	6.5	9.5
15	1/2	21.8	5.97	5.18	11.8	9.5	9.5
20	3/4	27.2	6.96	6.04	15.6	9.5	12.5
25	1	33.9	7.92	6.93	20.7	12.5	12.5
32	1-1/4	42.7	7.92	6.93	29.5	12.5	12.5
40	1-1/2	48.8	8.92	7.80	34.0	12.5	12.5
50	2	61.2	10.92	9.50	42.9	19.0	16.0
9000LB
15	1/2	21.8	9.35	8.18	6.4	9.5	9.5
20	3/4	27.2	9.78	8.56	11.1	9.5	12.5
25	1	33.9	11.8	9.96	15.2	12.5	12.5
32	1-1/4	42.7	12.14	10.62	22.8	12.5	12.5
40	1-1/2	48.8	48.8	12.70	11.12	28.0	12.5
50	2	61.2	13.84	12.12	38.2	19.0	16.0

 

Our Advantages

01. Customization

Get a perfect, custom pipe coupling

 

 

02. Advanced Technique

Mature and advanced equipment and professional test engineers ensure high quality products

03. Excellent Quality

Real material with uniform wall thickness
Smooth surface
Strong tensile strength
Corrosion resistance
Long-term use

 

 

Appilcation

Transportation

About Us

      Founded in 2571, our company, HangZhou Dejia Special Steel Co., Ltd is specialized in producing various products such as elbows, tees, reducers, caps, flanges and valves. We can produce products according to National standard, American standard etc. It’s our feature that we can produce products of any size ad per customers’ special demands.

     Our company CHINAMFG on honesty, continuity and transparency with our clients. We would like to cooperate with global customers and make the good protection project in world market.

    Why choose our company? We features scientific and rational design, advanced production process, quality manufacturing materials,  comprehensive security protection and first-class after-sales service.

FAQ

Q: What are your main products?
A: We specialize in producing a wide range of valves, elbows, flanges, Tee, Cross, gaskets etc.

Q: How long is your delivery time?
A:Usually it’s 15-30 days all the best or it’s more than 30 days according to the quantity.

Q: Do you provide samples? Free or charge?
A:Yes, we’d like to offer you samples but you have to cough up dough for shipping.

Q: How do you guarantee the quality of your products?
A: Before mass production, a few products made by our engineers for conduct tests. All products must be checked before shipping.

Q: How about your service?
A: Xihu (West Lake) Dis.g to the concept of ” Service Supremacy”, we have pre-sale service, on-purchase service and after-sales service.

Q: About packing?
A: Depending on the properties of the product, choose its appropriate packaging to protect the item from damage and allow you to purchase at ease.

Q: About color difference?
A:  All products are shot in real objects, and there will be a slight degree of color difference between the real thing and the picture due to the shooting light, the color value bias of the display, and the individual’s understanding of color. Colour is subject to the goods received.

Q: What size can your company produce?
A: We have all the common sizes on the market. In addition, we can also customize according to your needs, whether its size or material.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Can Flange Couplings Be Used in Both Horizontal and Vertical Shaft Arrangements?

Yes, flange couplings can be used in both horizontal and vertical shaft arrangements. Flange couplings are versatile mechanical components designed to connect two shafts together while transmitting torque. They are available in various configurations and can accommodate different shaft orientations.

Horizontal Shaft Arrangements: In horizontal shaft arrangements, the two shafts are positioned parallel to the ground or horizontal plane. Flange couplings are commonly used in applications where the driving and driven shafts are aligned horizontally. They provide a secure and rigid connection, ensuring efficient power transmission between the shafts.

Vertical Shaft Arrangements: In vertical shaft arrangements, one shaft is positioned above the other, and they are oriented vertically. Flange couplings can also be used in these applications, but additional considerations may be necessary. Proper alignment and support are crucial to prevent excessive loads on the coupling and ensure smooth operation.

When using flange couplings in vertical shaft arrangements, it is essential to consider factors such as the weight of the connected equipment and any dynamic forces that may act on the coupling due to the vertical orientation. Proper bracing and support should be provided to prevent unnecessary stress on the coupling and its components.

Overall, flange couplings are well-suited for both horizontal and vertical shaft arrangements, making them a versatile choice for various industrial applications.

Electrical Insulation in Flange Couplings

In certain applications, flange couplings may need to provide electrical insulation between shafts to prevent the flow of electrical currents and ensure safety and proper functioning. The handling of electrical insulation in flange couplings depends on the design and materials used:

1. Material Selection: Some flange couplings are manufactured using electrically insulating materials, such as certain polymers or composite materials. These materials have high resistivity and do not conduct electricity, effectively isolating one shaft from the other.

2. Sleeve or Coating: In some cases, a non-conductive sleeve or coating is added to the coupling to provide electrical insulation. This sleeve can be made from materials like rubber or other insulating compounds.

3. Insulating Inserts: Flange couplings may incorporate insulating inserts or liners between the mating surfaces to prevent electrical conduction.

4. Dielectric Grease: Dielectric grease, a non-conductive and water-resistant grease, can be used to fill any gaps between mating surfaces and enhance the electrical insulation properties of the flange coupling.

It’s crucial to ensure that the chosen flange coupling provides adequate electrical insulation for the specific application. The level of insulation required will depend on the electrical characteristics and voltages involved in the system. Additionally, proper installation and maintenance are essential to maintain the integrity of the electrical insulation over time.

Materials Used in Manufacturing Flange Couplings

Flange couplings are manufactured using various materials, each offering specific properties and advantages. The choice of material depends on factors such as application requirements, environmental conditions, and cost considerations. Here are some commonly used materials in manufacturing flange couplings:

• 1. Steel: Steel is one of the most common materials for flange couplings. It offers excellent strength, durability, and resistance to wear. Steel couplings are suitable for a wide range of applications and can handle high torque and heavy loads.
• 2. Stainless Steel: Stainless steel is chosen for its superior corrosion resistance, making it ideal for applications where the coupling is exposed to moisture, chemicals, or aggressive substances. Stainless steel flange couplings are common in industries such as food processing, pharmaceuticals, and marine.
• 3. Cast Iron: Cast iron couplings are known for their excellent strength and vibration-damping characteristics. They are often used in industrial settings, including pumps, compressors, and conveyor systems.
• 4. Aluminum: Aluminum couplings are lightweight and suitable for applications where weight is a concern. They are commonly used in industries such as aerospace and automotive.
• 5. Brass: Brass couplings offer good corrosion resistance and electrical conductivity. They are used in specific applications that require these properties.
• 6. Bronze: Bronze couplings are valued for their high strength, corrosion resistance, and resistance to wear. They are commonly used in marine and heavy machinery applications.
• 7. Plastic: Plastic couplings, such as nylon or polyurethane, are used in applications where weight, non-conductivity, and chemical resistance are critical factors.
• 8. Composite Materials: Some modern flange couplings may use composite materials that combine different properties, such as strength, flexibility, and corrosion resistance.

When selecting the material for a flange coupling, it is essential to consider factors such as load capacity, temperature range, chemical exposure, and the specific demands of the application. Proper material selection ensures that the flange coupling performs optimally and has a long service life in its intended environment.

editor by CX 2024-02-14