China OEM Stainless Steel NPT Threaded Half Coupling

Product Description

PRODUCT INFORMATION

 

Product name Stainless steel thread pipe fittings
Material SS201, SS304/CF8, SS316/CF8M and so on
Size 1/4”-4”&DN6-DN100
Certificate ISO9001: 2000, CE
Pressure 150LB
Connection Ends Socket Weld or Threaded: NPT, BSP, BSPT etc
Suitable medium Petroleum, chemical, power, gas, water, pipeline, heat exchanger, shipbuilding, construction, high&low pressure pipeline, etc
Temperature Range -20-300 degree C
Type

Elbow, tee, street elbow, cross, coupling, hex nipple, barrel nipple, plug, bushing, cap, union, hose nipple, welding nipple, hex. nut, etc

Our advantage

 

We have been worked in this area for more than 15 years, and we know each market’s request, with a good reputation among our customers, we always pursuit a high quality and best service and price
Sample test before machining, and 100% test after the machining
We also have a series of products such as: flanges, pipes, forged fittings, ball valves and butterfly valves; And some hardware parts such: post anchors, ground screws, and some other wooden connectors
7 days / 24 hours online service, and fastest delivery time
We can do OEM products
Delivery time Usually 25 days around and can negotiate as per order qty
Shipping port ZheJiang XIHU (WEST LAKE) DIS.G
Term of Payment T/T, L/C, DP, etc
Package detail Polybag+cartons+pallet / wooden case
Application Stainless steel pipeline system, water system, petroleum system, etc

PRODUCT ADVANTAGE

1.Strong toughness, high hardness, easy to use, easy to install
2.Thicker is more durable and reliable, corrosion-resistant, explosion-proof and compression-resistant
3.Lengthen and deepen the thread, thicken the body

 

OUR COMPANY

 

HangZhou Bewin pipeline Co., Ltd is 1 of the leading companies dealing in exporting Pipes, Ball Valves, Flanges, Forged Fittings, etc.
Our product range includes: Carbon, alloy and stainless steel. Valve grades including ANSI, JIS, DIN. Pipes in various grades including API-5CT, API-5L, ASTM, ISO, DIN, GB/T. Flanges including ASME, JIS, DIN, NPT, etc.
We have advanced equipment, skilled workers and a strict QC system to ensure accurate size and high-quality products.
 

FAQ

Q: Are you manufacturer or trading company?
A: 
We are a manufacturer which was established in 2008 and have 11 years producing experience.
Q: What’s the advantage of your parts for industry products?
A: Competitive prices, high quality and fast delivery.
Q: How is your payment term?
A: Generally, our payment term is T/T 30% in advance and the balance 70% against the copy of B/L. 

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half coupling

How do you Properly Install and Secure a Half Coupling to Ensure a Leak-Free Connection?

Properly installing and securing a half coupling is essential to ensure a leak-free and reliable connection in piping and plumbing systems. Follow these steps to achieve a secure joint:

  1. Cut and Prepare the Pipe: Start by cutting the larger pipe to the desired length, ensuring a clean and even edge. Use a deburring tool or file to remove any sharp edges or burrs that could interfere with the coupling’s sealing surface.
  2. Check Threads and Fit: For threaded half couplings, inspect the internal threads of the coupling and the external threads of the pipe. Make sure they are clean and free from debris or damage. Ensure that the threads match and fit properly, as any misalignment can lead to leaks.
  3. Apply Thread Sealant: Before attaching the half coupling, apply a suitable thread sealant, such as Teflon tape or pipe dope, to the male threads of the pipe. The sealant helps prevent leaks by filling any gaps or imperfections in the threads.
  4. Attach the Half Coupling: Thread the half coupling onto the pipe’s male threads carefully. Use a wrench to ensure a snug fit, but avoid over-tightening, as it may damage the threads or cause stress on the joint.
  5. For Socket Weld or Butt Weld Couplings: For socket weld half couplings, insert the smaller pipe into the coupling’s socket and align it properly. For butt weld half couplings, weld the coupling to the larger pipe’s end with proper welding techniques and safety measures. Follow industry standards for welding procedures and ensure a smooth and consistent weld for a leak-free joint.
  6. Check for Leaks: After installation, perform a leak test to ensure the joint is secure. Apply a pressure test or use a suitable leak-detection method to verify the connection’s integrity. If any leaks are detected, disassemble the joint, inspect for issues, and reassemble following the proper steps.
  7. Consider Thermal Expansion: In applications with temperature variations, consider the thermal expansion and contraction of the pipes. Provide sufficient flexibility in the system to accommodate these changes and prevent stress on the joints, which could lead to leaks over time.
  8. Follow Manufacturer’s Instructions: Always follow the manufacturer’s instructions and recommendations for the specific type and material of the half coupling being used. Different couplings may have unique installation requirements and torque specifications.

Proper installation and securing of a half coupling are crucial for maintaining the integrity of the piping or plumbing system and ensuring a leak-free connection. Following these steps and adhering to industry standards will help achieve a reliable and durable joint.

half coupling

What are some Real-World Examples of Half Coupling Usage in Different Industries?

Half couplings are widely used in various industries to create reliable connections between pipes and components. Here are some real-world examples of half coupling usage in different industries:

  1. Oil and Gas Industry: In the oil and gas sector, half couplings are commonly used in pipelines for crude oil, natural gas, and refined products transportation. They are also employed in offshore platforms, refineries, and petrochemical plants to connect pipes and fittings in high-pressure and corrosive environments.
  2. Chemical Processing: The chemical industry utilizes half couplings to connect pipes carrying various chemicals and corrosive substances. The coupling’s resistance to corrosion is vital to ensure the integrity of the piping system in these applications.
  3. Power Generation: In power plants, half couplings are employed in steam and water pipelines, allowing efficient transfer of heat and fluids in boilers and condensers. They are also used in cooling water systems and various auxiliary processes.
  4. Food and Beverage: In food processing facilities, stainless steel half couplings are widely used due to their hygienic properties. They help connect pipes in systems for handling water, beverages, dairy products, and other food items, ensuring sanitation and preventing contamination.
  5. Marine Industry: Half couplings are used in shipbuilding and offshore structures to create connections in piping systems for various applications, including cooling, ballast, and fuel transfer.
  6. Water and Wastewater Treatment: In municipal water supply and wastewater treatment plants, half couplings are employed to connect pipes and fittings in water distribution and treatment systems, as well as in sewer networks.
  7. Agriculture: In agricultural settings, half couplings are used to connect pipes for irrigation systems, water supply, and chemical distribution in farming operations.
  8. Manufacturing: The manufacturing industry utilizes half couplings in various fluid and gas transfer systems for machinery and equipment, as well as in compressed air lines.
  9. Construction: In construction projects, half couplings are used to connect pipes for plumbing, HVAC systems, and other applications in buildings and infrastructure projects.
  10. Fire Protection: In fire sprinkler systems, half couplings are employed to connect pipes carrying water or other fire suppressant agents, ensuring effective fire protection in commercial, industrial, and residential buildings.

These examples demonstrate the versatility and significance of half couplings in different industries, where they play a crucial role in creating leak-free and reliable connections in piping systems. The choice of the half coupling material, size, and specifications may vary depending on the specific application and the environmental conditions in which it operates.

half coupling

What are the Various Types of Half Couplings and Their Specific Applications?

Half couplings come in different types, each designed to cater to specific applications and requirements in piping and plumbing systems. The various types of half couplings and their specific applications are as follows:

  • Threaded Half Couplings: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. These couplings are commonly used in applications where a secure and leak-proof joint is needed, such as connecting valves, instruments, or equipment to the pipeline.
  • Socket Weld Half Couplings: Socket weld half couplings have a socket on one end, which allows for the insertion of the pipe without threading. The joint is then welded for a strong and permanent connection. Socket weld half couplings are widely used in high-pressure applications and systems that require frequent disassembly.
  • Butt Weld Half Couplings: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The other end can be used to attach a smaller pipe. These couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.
  • Reducing Half Couplings: Reducing half couplings are used when a transition between different pipe sizes is needed. One end of the coupling has larger threads or a larger socket to accommodate a larger pipe, while the other end has smaller threads or a smaller socket to connect a smaller pipe. These couplings are commonly used in systems that require a change in pipe size, such as reducing the flow rate or connecting equipment with different pipe sizes.
  • Mechanical Grip Half Couplings: Mechanical grip half couplings use a mechanical mechanism to grip and secure the smaller pipe without welding or threading. They are commonly used in temporary connections or situations where frequent disassembly is necessary, such as in temporary test setups or during equipment maintenance.

The choice of half coupling type depends on the specific application, the pipe materials, the operating conditions, and the required joint strength. It is essential to follow industry standards and guidelines when selecting the appropriate type of half coupling to ensure the safety and efficiency of the piping or plumbing system.

In summary, various types of half couplings cater to different needs in piping and plumbing systems. Whether for permanent connections, temporary applications, or transitions between different pipe sizes, half couplings offer versatile solutions for joining pipes securely and efficiently.

China OEM Stainless Steel NPT Threaded Half Coupling  China OEM Stainless Steel NPT Threaded Half Coupling
editor by CX 2024-05-17

half coupling

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