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.

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What are the Maintenance Requirements for Sleeve Couplings to Ensure Optimal Performance?

Proper maintenance is essential to ensure the optimal performance and longevity of sleeve couplings. Regular inspections and maintenance practices help identify early signs of wear, misalignment, or other issues that may affect the coupling’s performance. Here are some maintenance requirements for sleeve couplings:

1. Regular Visual Inspections:

Perform visual inspections of the sleeve coupling regularly. Look for signs of wear, corrosion, or damage on the coupling surface. Check for any visible misalignment between the shafts connected by the coupling.

2. Lubrication:

Some sleeve couplings may require lubrication to reduce friction and wear. Check the manufacturer’s recommendations for the appropriate lubricant and lubrication interval.

3. Check for Misalignment:

Monitor the shaft alignment periodically to ensure that the coupling is not subjected to excessive misalignment. Misalignment can lead to premature wear and failure of the coupling and connected equipment.

4. Inspect Fasteners:

Check any fasteners, such as set screws or clamps, that secure the sleeve coupling to the shafts. Ensure they are tight and secure to prevent any slipping or movement.

5. Evaluate Operating Conditions:

Assess the operating conditions of the motion control system regularly. Consider factors such as temperature, humidity, vibration, and exposure to corrosive substances. Make necessary adjustments or upgrades to protect the sleeve coupling from adverse conditions.

6. Balance the Coupling:

If the coupling operates at high speeds, balancing may be necessary to prevent excessive vibration and ensure smooth performance. Consider dynamic balancing for high-speed applications.

7. Replace Worn or Damaged Couplings:

If visual inspections reveal signs of significant wear, damage, or deformation, it is essential to replace the sleeve coupling promptly. Continuing to use a damaged coupling can lead to further issues and compromise system performance.

8. Follow Manufacturer’s Guidelines:

Always follow the manufacturer’s maintenance guidelines and recommendations specific to the sleeve coupling model. Adhering to these guidelines will ensure that the coupling performs as intended and maintains its service life.

9. Record Keeping:

Keep records of maintenance activities and inspections for each sleeve coupling in the system. This recordkeeping will help track the coupling’s performance over time and identify any recurring issues.

By following these maintenance requirements, motion control systems can maintain the optimal performance of sleeve couplings, minimize downtime, and extend the life of both the coupling and connected equipment.

How do Sleeve Couplings Ensure Proper Torque Transmission and Minimize Power Loss?

Sleeve couplings ensure proper torque transmission and minimize power loss through their simple yet effective design. The key features that enable this are:

• Frictional Grip: Sleeve couplings utilize frictional grip between the inner and outer sleeves to transmit torque. When the coupling is tightened around the shafts, the frictional forces ensure a solid connection, allowing torque to be efficiently transferred from one shaft to the other.
• Tight Fit: Sleeve couplings are designed to have a tight fit around the shafts they connect. This close fit minimizes play or backlash, ensuring that the torque is transmitted accurately without any rotational lag.
• Material Selection: The material used in the construction of sleeve couplings is chosen to optimize torque transmission and minimize power loss. Commonly used materials like steel or aluminum have excellent mechanical properties, providing high strength and rigidity, which contribute to efficient torque transfer.
• Non-Slipping Design: The non-slipping design of sleeve couplings prevents relative movement between the shaft and the coupling during operation. This design feature ensures that the torque applied to one end of the coupling is instantaneously transferred to the other end without any energy loss due to slippage.
• Torsional Flexibility: Sleeve couplings offer some degree of torsional flexibility, allowing them to accommodate small misalignments and angular deflections between the shafts. This flexibility helps prevent stress concentration and mechanical wear, further minimizing power losses.
• Efficient Contact Area: The contact area between the shaft and the inner bore of the sleeve is maximized, providing an efficient torque transfer path. This ensures that the coupling can handle the rated torque without causing excessive stress on the shafts or coupling itself.

By combining these design features, sleeve couplings offer a reliable and efficient means of torque transmission. The absence of complex moving parts in sleeve couplings reduces friction and mechanical losses, resulting in minimal power loss during operation. Additionally, their simple design and ease of installation contribute to their overall efficiency and effectiveness in various mechanical power transmission applications.

How do Sleeve Couplings Handle Misalignment and Shaft Movement during Operation?

Sleeve couplings are designed to accommodate minor misalignments and shaft movement, making them flexible and versatile in various applications. Here’s how sleeve couplings handle misalignment and shaft movement during operation:

Misalignment Compensation:

When two shafts are connected by a sleeve coupling, perfect alignment is challenging to achieve, especially in dynamic systems subject to vibrations or thermal expansion. Sleeve couplings are forgiving in this aspect and can tolerate slight angular and axial misalignments between the shafts.

The sleeve coupling’s cylindrical shape allows it to bend slightly when subjected to misaligned forces. As a result, the coupling can flex and adjust to accommodate the angular and axial misalignments without causing excessive stress on the connected machinery.

Shaft Movement:

During operation, shafts in a motion control system may experience movement due to factors such as thermal expansion, vibrations, or changing loads. Sleeve couplings are inherently flexible, which enables them to cope with the movement of the connected shafts.

If one or both shafts move laterally or axially, the sleeve coupling can flex and elongate slightly to follow the movement without causing damage or disconnection. This flexibility ensures that the torque transmission remains smooth and uninterrupted, even when the shafts undergo changes in position or length.

It is essential to note that sleeve couplings have limitations in their misalignment compensation capabilities. They are best suited for applications with relatively small misalignments and moderate torque requirements. If the misalignment is excessive or the system demands precise shaft alignment, alternative coupling types with specific misalignment compensation features may be more appropriate.

Advantages of Misalignment Compensation:

The ability of sleeve couplings to handle misalignment and shaft movement offers several advantages:

• Reduced Stress on Equipment: By accommodating misalignment, sleeve couplings reduce the stress transferred to connected machinery and prevent premature wear or damage to the components.
• Vibration Damping: The flexible nature of sleeve couplings helps dampen vibrations caused by misalignment or external factors, leading to smoother operation and increased equipment lifespan.
• Less Maintenance: Properly installed sleeve couplings with misalignment compensation can result in reduced maintenance requirements, as they can tolerate minor shifts in the shafts without compromising performance.
• Cost-Effectiveness: Sleeve couplings offer a cost-effective solution for motion control systems that have acceptable levels of misalignment. Their simple design and materials make them economical for a wide range of applications.

In summary, sleeve couplings provide a reliable and economical solution for power transmission in motion control systems. Their ability to handle misalignment and shaft movement makes them suitable for various industrial applications where precise shaft alignment is not critical. However, it is essential to consider the specific requirements of the application and evaluate the level of misalignment before selecting sleeve couplings for optimal performance and longevity.

editor by CX 2024-04-13