China Professional High Pressure 2000 3000 6000 9000 Forged Steel Pipe Fittings Half Coupling Threaded Fittings

Product Description

Sw NPT/Bsp Male/Female 2000/3000/6000/9000 Socket Weld Threaded Thread Plug/Union/Coupling/Bushing/Nipple/Tee/Elbow Pipe Forged Fitting

Product Name  forged pipe fitting(elbow, tee, coupling, cap, plug, union, nipple, insert, bushing , weldolet, threadolet, sockolet, etc.)
Size 1/8″-4″ 
Standard ANSI B16.11, MSS SP 97, MSS SP 95, MSS SP 83, BS3799, ASTM A733, etc.
Pressure 2000lbs, 3000lbs,6000lbs, 9000lbs
End Thread(NPT/BSP), socket welded, butt weld, plain end
Type Equal or reduced 
Process Forged
Wall thickness sch20, sch10s, sch30,sch40,std, sch40s, sch80s,sch80, xs, sch100,sch120,sch140,sch160,xxs ,customized , etc.

 

Surface CNC machined, anti-rust oil, HDG(hot dip galv.)
Material Carbon steel: A105, A350 LF2,etc.
Pipeline steel: ASTM 694 f42, f52, f60, f65,f70 and etc.
 Stainless steel: A182F304/304L, A182 F316/316L, A182F321,  A182F310S, A182F347H, A182F316Ti,  317/317L,  904L,  1.4301, 1.4307, 1.4401, 1.4571, 1.4541, 254Mo and etc.
Duplex stainless steel: ASTM A182 F51, F53,F55, UNS31803, SAF2205, UNS32205,  UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc.
Nickel alloy: inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20 etc.
Application Petrochemical industry;aviation and aerospace industry;pharmaceutical industry,gas exhaust; power plant;ship building;  water treatment, etc.
Advantages ready stock,faster delivery time;available in all sizes,customized;high quality


Company introduction:

WorkShop&Production process&Packages:

Certification:

Why Choose us?
1)Industry leader:
Our Factory has been specilized in Pipeline Products since 2004.With decades of development, CHINAMFG possesses 20 engineers, 200 experienced workers and 25 professional sales team and has supplied pipeline products, solution and services to over 30 countries.Quality is strictly Controlled and gauranteed.

2)Large Productivity 
Our Factory’ productivity is large and stock for some of the pipe fittings is also available. so the mass production lead time is short.
3)VIP Service
Professional  Technical engineers and sales teams gaurantee the quality and service.
4)OEM is also available
FAQ:
Q1:
What certificate do you have?
A: We have ISO 9001, CE certificate.
Q2. Can I get free samples?
A: Yes, The free samples can be offered for free.
Q3. Can I have my own Logo on the product?
A: Yes, Simple logo design is available based on not small order quantity.
Q4: Can I have my own customized product?
A: Yes, your customized requirements for color, size, mark, etc.
Q5: Can you produce the products according to my own drawing?
A: Yes, we can produce the products according to your drawing.
Q6: How long is your delivery time?
A: Generally it is about 30-45days depends on the order quantity.
Q7:What’s your product range?
A:Forged Pipe Fitting,Butt welding Pipe Fitting,Pipe Clamps,Ductile Iron Groove Pipe Fitting,OEM Parts,Valves

Contact:
Tina Cheng
HangZhou CHINAMFG Industrial Co., Ltd. /* 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

half coupling

Can a Half Coupling be Threaded or Welded onto Pipes?

Yes, a half coupling can be both threaded and welded onto pipes in piping and plumbing systems. The method of attachment depends on the type of half coupling and the specific application requirements.

Threaded Half Coupling: Threaded half couplings have internal threads on one end, allowing for easy connection to pipes with matching external threads. To install a threaded half coupling, the larger end with internal threads is screwed onto the male threads of the larger diameter pipe. The smaller pipe is then threaded into the other end of the half coupling, creating a secure and leak-proof joint. Threaded half couplings are commonly used when frequent disassembly may be required or when connecting components like valves or instruments to the pipeline.

Socket Weld Half Coupling: 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. The larger diameter pipe is inserted into the socket, and a fillet weld is applied around the outside of the coupling to secure the smaller pipe. Socket weld half couplings are often used in high-pressure applications and systems that require a robust and reliable connection.

Butt Weld Half Coupling: Butt weld half couplings are designed for butt welding, which involves welding the coupling directly to the larger pipe end. The smaller pipe is inserted into the other end of the half coupling, and a butt weld is applied to secure the joint. Butt weld half couplings are commonly used in critical applications where a smooth and continuous inner surface is required to prevent turbulence and pressure losses.

The choice between threaded and welded half couplings depends on factors such as the operating conditions, the type of fluid being transported, and the required joint strength. Threaded half couplings offer ease of installation and disassembly, making them suitable for applications where frequent maintenance is needed. On the other hand, socket weld and butt weld half couplings provide permanent and strong connections, making them suitable for high-pressure and critical systems.

Regardless of the method of attachment, it is essential to ensure proper installation and adherence to industry standards to achieve a secure and leak-free connection. Regular inspection and maintenance of the half couplings and the entire piping system are also necessary to detect any signs of wear, corrosion, or damage and address them promptly.

half coupling

How do you Calculate the Required Size and Specifications for a Half Coupling?

Calculating the required size and specifications for a half coupling involves considering several factors related to the piping system and the intended application. Here’s a step-by-step guide on how to calculate the size and specifications:

  1. Identify the Pipe Size: Determine the size of the pipe to which the half coupling will be connected. The pipe size is usually specified in inches and represents the nominal diameter of the pipe.
  2. Consider the Pipe Material: Know the material of the pipe, such as carbon steel, stainless steel, PVC, copper, or others. The half coupling material should be compatible with the pipe material to avoid any galvanic corrosion or other issues.
  3. Assess the Operating Pressure: Determine the maximum operating pressure of the system in which the half coupling will be used. The half coupling should have a pressure rating that exceeds the maximum operating pressure to ensure safety and reliability.
  4. Calculate the Torque Requirements: For threaded half couplings, calculate the required torque for proper thread engagement. The torque calculation involves considering the thread pitch, thread diameter, and the material of the pipe and coupling.
  5. Check the Temperature Range: Evaluate the temperature range in which the half coupling will be operating. Ensure that the material chosen can withstand the maximum and minimum temperatures of the system without any adverse effects.
  6. Account for Environmental Factors: Consider any environmental factors that may affect the half coupling’s performance, such as exposure to chemicals, UV radiation, or extreme weather conditions. Select a material and coating, if necessary, to protect the coupling from environmental degradation.
  7. Verify Compliance with Standards: Ensure that the selected half coupling meets relevant industry standards and specifications, such as ASME, ASTM, API, or ISO, to guarantee its quality and performance.
  8. Factor in the Application: Consider the specific application of the half coupling, such as its use in a water supply system, chemical process, high-pressure pipeline, or industrial equipment. The application requirements will influence the material selection, pressure rating, and other specifications.
  9. Consult with Experts: If unsure about the calculations or specifications, consult with piping system experts or engineers who can provide guidance and ensure the proper selection of the half coupling based on the system’s requirements.

By following these steps and carefully considering the pipe size, material, pressure, torque, temperature, environmental conditions, compliance with standards, application, and seeking expert advice when needed, you can accurately calculate the required size and specifications for a half coupling that will perform optimally in the piping system.

half coupling

Can a Half Coupling be Used to Join Pipes of Different Diameters?

Yes, a half coupling can be used to join pipes of different diameters in piping and plumbing systems. Half couplings are specifically designed to connect two pipes of different sizes, making them ideal for creating transitions or connections between pipes with varying diameters. The larger end of the half coupling is welded or screwed onto the larger diameter pipe, providing a stable base for the connection. The smaller pipe, which has a different diameter, is then threaded or inserted into the smaller end of the half coupling.

The ability to join pipes of different diameters is one of the main advantages of using half couplings. This feature allows for efficient and smooth transitions between pipe sizes, which is crucial in maintaining proper fluid flow, reducing pressure losses, and preventing turbulence within the system.

Here are some common scenarios where half couplings are used to join pipes of different diameters:

  1. Reducing Pipe Size: When a pipeline needs to change from a larger diameter to a smaller diameter, a half coupling can be employed to create a smooth transition. For example, if a process requires a reduction in flow rate, a smaller pipe can be connected to the main pipeline using a half coupling.
  2. Connecting Equipment or Valves: In many industrial applications, equipment, valves, or instruments are connected to the main pipeline using half couplings. Often, these components have different pipe sizes than the main pipeline, and a half coupling provides a secure and leak-proof joint.
  3. Repair and Maintenance: During repair or maintenance operations, a damaged section of the pipeline can be cut out, and a new pipe of a different diameter can be connected using a half coupling. This allows for quick repairs without having to replace the entire pipeline.

When using a half coupling to join pipes of different diameters, it is essential to ensure that the threads and dimensions of the coupling match the pipes being connected. Proper sealing techniques, such as using thread sealant or Teflon tape, should also be applied to prevent leaks and ensure a reliable connection.

In conclusion, half couplings are versatile pipe fittings that enable the joining of pipes with different diameters. Their ability to facilitate smooth transitions and secure connections makes them invaluable in various industrial, commercial, and residential applications.

China Professional High Pressure 2000 3000 6000 9000 Forged Steel Pipe Fittings Half Coupling Threaded Fittings  China Professional High Pressure 2000 3000 6000 9000 Forged Steel Pipe Fittings Half Coupling Threaded Fittings
editor by CX 2024-04-16

half coupling

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