Product Description
Product Parameters
|
Product Name |
half coupling |
|
Size |
1/8″-4″ |
|
Standard |
BS3799 |
|
Pressure |
2000lbs,3000lbs,6000lbs,9000lbs |
|
Type |
Thread(NPT/BSP), equal or redued |
|
Process |
Forged |
|
Surface |
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 |
Forging
1. Choose brand new raw material
2. Forging as per standard
Detailed Photos
1. Dimension as per BS3799
2. Fine finishing
3. Surface looks nice
Marking
Various marking can be curved, or painting by laser on your request. We accept to mark your LOGO
Packaging & Shipping
1. Packed by carton first, then Packed by plywood case as per ISPM15
2. we will put packing list on each package
3. we will put shipping markings on each package. Markings words are on your request.
4. All wood package materials are fumigation free
Our Advantages
Why Choose us
7*24 service time
trace shippment each week
Professional QC QA team, more than 5 people. Inspect all goods before delivery
REFUND MONEY IF REJECTION BECAUSE OF QUALITY
PAYMENT TERM CAN BE L/C, O/A, T/T
OUR FACTORY SHOW
CZIT GROUP(3 factories, 300+workers, 200 +customers, 20+ years experience)
5000tons production capacity each month, fast delivery.
2000#, 3000#, 2″ and below size, A105 fittings are ready to ship
CERTIFICATE SHOW
CUSTOMER FEEDBACK
What is business for us? Not only for earn money, it is for sharing. To meet more better us together.
For us, customers would like cooperate with us, we are very happy and appreciated. Thank you very much for your trust us. We will do what we promise.
Since we treat business very serious, customers would like establish long term relationship with us. And when they gave us FIVE STAR comments, we really very very moved. We will do our best to do more better.
OUR PROJECTS SHOW
Our products can be used in Petrochemical industry;aviation and aerospace industry;pharmaceutical industry,gas exhaust; power plant;ship building; water treatment, etc.
Here is some projects samples for your reference.
FAQ
| FAQ |
| Q: Can you supply Form e, Certificate of origin? |
| A: Yes, we can supply. |
| Q: Can you supply invoice and CO with chamber of commerce? |
| A: Yes, we can supply. |
| Q: Can you accept L/C deferred 30, 60, 90days? |
| A: We can. |
| Q: Can you accept O/A payment? |
| A: We can. |
| Q: Can you supply samples? |
| A: Yes, some samples are free. |
| Q: Can you supply the products which comply with NACE? |
| A: Yes, we can. |
| Q: Can you visit your factory |
| A: Yes, sure. Welcome. |
| Q: Can you inspect the goods before delivery |
| A: Yes, sure. Welcome to our factory inspect the goods. Also accept third party inspection, such as SGS, TUV, BV etc. |
| Q: Can you supply MTC , EN15714 3.1/3.2 certificate? |
| A: Yes, sure. we can |
| Q: Do you have ISO |
| A: Yes, we have |
| Q: Can you accept OEM? |
| A: Yes, we can |
| Q: Can you accept marking our LOGO? |
| A: Yes, we can |
| Q: What is your MOQ? |
| A: 1pcs for standard fittings and flanges. |
| Q: Can you support to design our piping system? |
| A: Yes, we would like to your partner and our engineer will help. |
| Q: Can you offer data sheet and drawing? |
| A: Yes, we can |
| Q: Can you ship by carrier or airline? |
| A: Yes, we can. And we also can ship by train |
| Q: Can you combine your order with other supplier? Then ship together? |
| A: Yes, we can. We would like help you ship together to save your time and money |
| Q: Can you shorten delivery time? |
| A: If very very urgent, please confirm with sales. We would like arrange extra-working time for you. |
| Q: Can you marking on package as per IPPC? |
| A: Yes, we can |
| Q: Can you mark “MADE IN CHINA” on products and packing? |
| A: Yes, we can |
| Q: Can you supply semi-finished products? |
| A: Yes, we can |
| Q: We need some test sample pieces for each heat number, Can you supply? |
| A: Yes, we can |
| Q: Can you supply heat treatment report? |
| A: Yes, we can |
Interested in other products
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What are the Maintenance Requirements for Half Couplings to Ensure Their Longevity?
Proper maintenance is essential to ensure the longevity and reliable performance of half couplings in piping and plumbing systems. Regular maintenance helps prevent wear, corrosion, and other issues that could lead to leaks or failures. Here are the maintenance requirements for half couplings:
- Inspection: Regularly inspect all half couplings in the system for signs of wear, corrosion, or damage. Check for visible leaks or indications of moisture around the joints. Perform visual inspections and, if necessary, use non-destructive testing methods to assess the integrity of the couplings.
- Cleaning: Keep the half couplings clean and free from dirt, debris, or other contaminants. Clean the coupling surfaces and surrounding areas during maintenance to ensure a proper fit and prevent corrosion.
- Lubrication: For threaded half couplings, apply a suitable lubricant or thread sealant when assembling the connection. This helps prevent galling and ensures a smooth and secure fit between the threads.
- Protection from Corrosion: Take measures to protect the half couplings from corrosion, especially in environments where corrosion is likely. Consider using corrosion-resistant materials for the couplings or applying protective coatings to prevent rusting.
- Temperature and Pressure Considerations: Ensure that the half couplings are suitable for the operating temperature and pressure of the system. High-temperature or high-pressure applications may require special materials or additional maintenance considerations.
- Replacement of Worn or Damaged Couplings: If any half coupling shows signs of wear, damage, or reduced performance during inspections, promptly replace it with a new one. Avoid using couplings that do not meet the necessary standards or show signs of fatigue.
- Proper Installation: During maintenance or replacement, ensure that the half couplings are correctly installed following the manufacturer’s instructions and industry best practices. Proper installation is crucial for achieving a secure and leak-free connection.
- Consider Thermal Expansion: Account for thermal expansion and contraction in the system to prevent stress on the half couplings and other components. Adequate flexibility and expansion joints can help accommodate temperature changes.
- Regular System Checks: Perform regular system checks to monitor the overall health and performance of the piping or plumbing system. Address any issues detected during these checks promptly to prevent cascading problems.
Adhering to these maintenance requirements will help ensure the longevity and reliable operation of the half couplings, contributing to the overall efficiency and safety of the piping or plumbing system.
How do you Select the Right Half Coupling Material Based on the Fluid or Gas being Conveyed?
Choosing the appropriate material for half couplings is essential to ensure their compatibility with the fluid or gas being conveyed. The selection process involves considering several factors related to the nature of the conveyed substance and the specific operating conditions. Here’s a step-by-step guide on how to select the right half coupling material:
- Identify the Conveyed Fluid or Gas: Determine the type of fluid or gas that will flow through the piping system. Different materials may be required depending on whether the conveyed substance is water, oil, gas, chemicals, steam, or any other medium.
- Consider the Chemical Compatibility: Evaluate the chemical properties of the conveyed substance. Some fluids or gases can be corrosive or reactive with certain materials. Look for half coupling materials that are chemically resistant to the specific medium to prevent degradation or premature failure.
- Assess the Temperature and Pressure: Take into account the operating temperature and pressure of the system. High-temperature fluids or gases may require materials with excellent heat resistance, while high-pressure applications demand strong and durable coupling materials that can withstand the stress.
- Check for Abrasion or Erosion: In systems where the conveyed substance contains solid particles or abrasive materials, consider half coupling materials with good wear resistance to prevent premature wear and damage to the coupling surface.
- Verify Material Standards: Ensure that the selected half coupling material complies with relevant industry standards such as ASTM, ASME, API, or ISO. These standards define the material’s properties and performance criteria, providing a reliable benchmark for quality and suitability.
- Consider Environmental Conditions: Evaluate the environmental factors that can affect the coupling’s performance, such as humidity, UV exposure, or exposure to harsh chemicals. Choose materials with appropriate coatings or properties to withstand the specific environmental conditions.
- Factor in Cost and Availability: Balancing performance requirements with cost considerations is essential. Select a half coupling material that meets the necessary performance criteria while fitting within the project’s budget. Additionally, ensure that the chosen material is readily available for procurement.
Common materials used for half couplings include carbon steel, stainless steel, alloy steel, brass, bronze, and various plastics such as PVC, CPVC, and PTFE. Each material has its advantages and limitations, making the selection process critical for a successful and reliable piping system.
By carefully considering the conveyed fluid or gas, chemical compatibility, temperature, pressure, abrasion resistance, and other relevant factors, you can make an informed decision and select the right half coupling material that will ensure a safe and efficient operation of the piping system.
What are the Standard Sizes and Dimensions Available for Half Couplings?
Half couplings, as pipe fittings used in piping and plumbing systems, are available in various standard sizes and dimensions to accommodate different pipe sizes and applications. The sizes and dimensions of half couplings depend on the pipe’s nominal diameter and the specifications set by industry standards organizations. Some common standard sizes and dimensions for half couplings are as follows:
- Thread Sizes: Half couplings come with different thread sizes to match the corresponding pipe threads. Common thread sizes for half couplings include 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″, 2-1/2″, 3″, 4″, 5″, 6″, and larger.
- Length: The length of a half coupling refers to the distance from one end to the other. It is typically a few inches, depending on the pipe size and application requirements. Lengths for half couplings can range from around 1 inch to 12 inches or more.
- Outer Diameter (OD): The outer diameter of a half coupling refers to the measurement across the widest point of the coupling’s external surface. It corresponds to the pipe’s outer diameter it is intended to connect to. Common OD sizes for half couplings include 1.05″, 1.32″, 1.66″, 1.90″, 2.38″, 2.88″, 3.50″, 4.50″, 5.56″, 6.63″, 8.63″, and others.
- Materials: Half couplings are available in various materials, as mentioned in the previous answer. The material selection depends on factors such as the type of fluid being transported, the temperature, the pressure, and the corrosion resistance requirements.
It is essential to refer to industry standards, such as ANSI (American National Standards Institute), ASME (American Society of Mechanical Engineers), or ASTM (American Society for Testing and Materials), to ensure that the half couplings meet the specific dimensional and material requirements of the application.
When selecting a half coupling, it is crucial to consider the following factors:
- Pipe Size Compatibility: Ensure that the half coupling’s thread size matches the pipe’s thread size to create a secure and leak-proof connection.
- Application Requirements: Consider the operating conditions, including pressure, temperature, and the nature of the fluid being transported, to choose the appropriate material and dimensions for the half coupling.
- Standards Compliance: Select half couplings that meet industry standards to ensure safety and compatibility with other components in the system.
In summary, half couplings are available in various standard sizes and dimensions, with different thread sizes and materials to accommodate diverse pipe sizes and applications. Proper selection based on the specific requirements of the piping or plumbing system is essential for ensuring a reliable and efficient connection between pipes.
editor by CX 2024-02-04