China high quality 1/2 NPT Half Inch Threaded Coupling 90 Degree Elbow Black Iron Pipe Fittings for Display Rack

Product Description

1/2 Npt Half inch Threaded Coupling 90 Degree Elbow Black Iron Pipe Fittings for Display Rack 
Malleable cast iron pipe and pipe fittings
Feature: Easy to assembly, anti-rust treatment.high strength, good toughness. DIY and meet various needs of customers, colorful painting, smooth surface, perfectly matched thread, precise dimensions, easy to install.
Color : Black,galvanized,natural,brass..or customized color as client’s request.
Technology: electrophoresis, electrophoresis and hot-dip, spraying plastics.
Size: 1/2″(DN15)-2″(DN50)
Thread: BSP/NPT,perfect and better to connect.
Usage: For DIY Furniture Decor – Vintage Pipe Shelf Brackets/Paper Holder/Coat Rack/more DIY furniture as your design drawing.
Material: Malleable cast iron
Type: Beaded end, banded end, plain end.
Related products: Floor flange, tee, cross, 90/45 deg elbow, M/F elbow, Mi side outlet
tee/cross, coupling, socket, reducer, cap, plug, pipe/tube, hand valve, taps, nipple.
Product picture

Application:

Packaging Details
General Packing:
1) Wrapping by plastic 1 by one, cartons with Pallets/wooden cases
2) Wrapping by plastic 1 by one, litter box, master cartons with pallets/wooden case

Customized packing:
3) Amazon packing standard:
Single plastic Bag per piece with barcode,
Pre-cartons,or 10pcs per Plastic bag with Label & barcode
4)The customized packing as client’s request is acceptable.

About Us
ZheJiang HangHong trading Co., LTD is a leading supplier and certified professional company dealing with below malleable cast iron pipe and pipe fittings and key clamp pipe fitting with different sizes under kinds of standards for 10 years. 
-Linepipe, pipes, customized length pipe/tube
-Elbows:90 degree elbow and 45-degree elbow, F&M elbow.
-Flanges:3 holes floor flange and 4 holes floor flange
-Tee, Cross tee, Y tee, outlet tee
-Caps
-Other Pipe fittings
Malleable cast iron floor flange pipe fittings are our advantage for kind of products. We got more good feedback because of our competitive price, good quality, punctual shipment and excellent service. our products are widely exported to all over the world and enjoy good reputation.
“Only imperfect products, no picky customers”, we have strict and compete production line and testing equipment for keeping the products quality as the international standard. brand and reputation can prove it.
The clients will get when place order from us?
1)Competitive price, excellent service.
2)They can get the goods they really want.
3)Good shopping experience.
4)Fast reply not only before placing an order but also after getting the goods.
5)A friend like me and can supply the goods to you anytime when you need in the future.
FAQ:
1, Can you supply the free sample?
Yes, we can supply the free sample, but you need to pay the shipping cost.
2, What is the freight cost calculated based on?
The freight cost is based on the total weight, the heavier the weight, the more cost-effective the average freight.
3. What’s the MOQ?
Please don’t worry about the MOQ, we can produce the quantity according to your requirement.
4. What is the packing method for the products?
Firstly, we pack the fittings 1 by 1 use plastic film, then put into cartons, wooden cases or pallet
5. How I can pay for you?
T/T, Western Union, L/C

Why Choose US:
-Sufficient Forging, Heating, Machining Equipment
-In-house inspection instruments for strict quality controlling
-Competitive price & High-quality assurance
-Fast, effective and efficient after-sale services 24/7
-25 years experience professinonals on communications 
-Fast delivery within 7-15 days
-100% inspection for all the products
-MOQ:1PCS
-Sample is acceptable and free /* 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

What are the Signs of Wear, Corrosion, or Damage in a Half Coupling?

A half coupling, like any other pipe fitting, can experience wear, corrosion, or damage over time due to various factors. Regular inspection is crucial to detect any issues early on and prevent potential leaks or failures in piping and plumbing systems. Here are some signs to look for to identify wear, corrosion, or damage in a half coupling:

  • Visible Corrosion: Check for any signs of rust or corrosion on the surface of the half coupling. Corrosion can weaken the material and lead to leaks or structural failure. Surface discoloration, rough patches, or flaking of the metal are all indicators of possible corrosion.
  • Thread Damage: For threaded half couplings, inspect the threads carefully. Look for signs of stripping, galling, or deformation. Damaged threads can compromise the integrity of the connection and may result in leaks.
  • Cracks or Fractures: Examine the half coupling for any cracks, fractures, or signs of deformation. Cracks can lead to leaks and should be addressed immediately to prevent further damage.
  • Worn Socket or Weld Seam: In the case of socket weld or butt weld half couplings, inspect the socket or weld seam for signs of wear or damage. A worn socket may not provide a secure fit for the smaller pipe, while defects in the weld can compromise the joint’s strength and integrity.
  • Leaks: Any visible leaks or indications of moisture around the joint or coupling are clear signs of a problem. Leaks can be caused by damaged threads, corroded surfaces, or improper installation.
  • Reduced Performance: If the system’s performance declines, such as a decrease in flow rate or pressure, it could be a sign of a partially obstructed or damaged coupling.
  • Age and Service Life: Consider the age and service life of the half coupling. Over time, even well-maintained couplings may show signs of wear and fatigue, warranting closer inspection.

If any of these signs are observed, it is essential to take prompt action to address the issues. Depending on the severity of the wear, corrosion, or damage, the appropriate steps may include repairing or replacing the half coupling. In some cases, it may be necessary to inspect adjacent pipes and components for possible effects of the compromised coupling.

Regular maintenance and inspection practices can help identify signs of wear, corrosion, or damage in a half coupling before they escalate into more significant problems. Following manufacturer’s guidelines, adhering to industry standards, and using suitable materials for the application can contribute to the longevity and reliability of the half coupling and the entire piping or plumbing system.

half coupling

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.

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 high quality 1/2 NPT Half Inch Threaded Coupling 90 Degree Elbow Black Iron Pipe Fittings for Display Rack  China high quality 1/2 NPT Half Inch Threaded Coupling 90 Degree Elbow Black Iron Pipe Fittings for Display Rack
editor by CX 2024-04-13

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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