China OEM Forged Pipe Fitting SS304 304/304L Stainless Steel Socket Weld Half Coupling

Product Description

                                                                                    Stainless Steel Coupling 
 
Types of Stainless Steel Butt Welded Coupling:

Product Name

  Pipe coupling

Size

1/8″-4″ 

Standard

ANSI B16.11

Pressure

2000lbs, 3000lbs,6000lbs, 9000lbs

Type

full coupling or half coupling

    End   Threaded or socket welded

Process

Forged

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.

Cr-Mo alloy steel: A182 f11,f22,f5,f9,f91, 10CrMo9-10, 16Mo3 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

Product Show:

Maxi Metal can supply Various of stainless steel pipe fittings including Elbow, Tee,Cap,Flange,Reducer,Nipple/Connector
, Ball Value, Butterfly valve,Connection Clamp, Union and etc.

 

 

Company Information:

  With wide experience and expertise, CHINAMFG Metal Group is 1 of the leading stainless steel pipe fittings manufacturers and suppliers,  The company through investment steel smelting and forging factory resume stability, a wide range of available resources.Main produce and process stainless steel bar/rod/shaft/profile,stainless steel pipe/tube, stainless steel coil/sheet/plate/strip, stainless steel wire/wire rod/wire rope.Our company supply products from MAXI,TISCO, LISCO, BAOSTEEL, JISCO and so on.We can customize non-standard special stainless steel products with high quality with short time. Our products used to chemical treatment equipments, chemicals tanks, petrochemical equipment and press plates. It is also used in railway coaches, roof drainage products, storm door frames, food machinery and tableware.
    Our company developed international markets more than 25 years, and established long partnership with Germany, South American ,Australia, Saudi Arabia ,Southeast Asia. etc . We will be on the basic of advanced management and service concept to provide high quality products and perfect service for all over the manufacturing enterprise. We welcome customers from all over the world to cooperate with us.

Packing & Delivery:

Maxi metal has its own shipping company to ensure lowest freight,professional service on delivery and Custom Clearance,we arrange good packing like wooden case, waterproof paper to ensure goods in a safty condition during transportation.

Certificate: 

Quality is an integral part of CHINAMFG Metal Business Principles. The quality policy guides us to deliver products and services that exceed the customers’ expectations and meet all the standards. These principles have helped us to get the recognition as a trusted vendor from customers around the world. CHINAMFG Metal Products are trusted and chosen by customers all over the world. This trust is based CHINAMFG our quality certified and our reputation for consistently delivering high-quality products.
Why Choose us:
 
What you could get from CHINAMFG if we work together?

1. Quality:
We are professional symbol of Chinese Metal industry; so all the supplied metal products from MAXI are quality researched & guaranteed well ones. Quality is our life. No quality, no biz.

2. Price:
Based on mature and rich acknowledge & experience for stainless steel and alloy steel , MAXIMETAL’s supplied price could ensure customer has unique competitiveness in the market. As our aim is long-term biz instead of only profit by 1 or 2 order, we understand only customer win, we could win.

3. Delivery:
MAXI is 1 of TOP 10 manufacturer of stainless steel and alloy products in China, Hold 10000tons raw materials in stock,has its own rolling factory,So enjoy high priority for delivery: Usually within 10-15 from deposit date.

4. Payment:
MAXI supply 30% TT IN ADVANCE + 70% TT WITHIN 7 DAYS OF BL DATE or IRR L/C AT SIGHT for customers. And with cooperation’s growing & mature, better & better payment term will be issued, such as: L/C 30 DAYS, L/C 60 DAYS, L/C 360 DAYS, etc.

5. Service:
From MAXI, what customer could get is not only product, but also complete comprehensive marketting concept & service.

 FAQ:

 

Q1. What are your company’s main products ?

A1: Our main products are stainless steel plate/sheet, coil, round/square pipe, bar, channel,Wire,Wire rod and etc.

 

Q2. How do you control quality ?

A2: Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS Verified.

 

Q3: What is the terms of packing?

A3: generally, we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers requirement.

 

Q4:What is your delivery time?

A4: For stocks, we could transport the goods to loading port within 7 days after we received your deposit

For production period, it usually takes about 15 days-30 days after receiving the deposit.

 

Q5. What are the advantages of your company ?

A5: We have many professionals, technical personnel, more competitive prices and best after-dales service than other stainless steel companies.

 

Q6. How many coutries you already exported ?

A6: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Turkey, Jordan,India,Philippines, Switzerland, South Korea, Vietnam etc.

 

Q7. Can you provide sample ?

A7: We can provide the samll samples in stock for free, as long as you contact us.

Customized samples will take about 5-7days.

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 OEM Forged Pipe Fitting SS304 304/304L Stainless Steel Socket Weld Half Coupling  China OEM Forged Pipe Fitting SS304 304/304L Stainless Steel Socket Weld Half Coupling
editor by CX 2023-11-16

half coupling

As one of leading half coupling manufacturers, suppliers and exporters of products, We offer half coupling and many other products.

Please contact us for details.

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Manufacturer supplier exporter of half coupling

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