China high quality Lost Wax Investment Casting Threaded Full/Half Coupling Fitting 1/8-4inch Disinfecting Water Pipe Fittings

Product Description

ABOUT US
HangZhou Suijin machinery Technology Co,.Ltd is a profational manufacturer in HangZhou city, our main process is investment casting/precision casting and machining, for casting process, we have 2 kinds of production line, 1 is precision casting, another is water glass with competitive cost.

Apart from the investment casting workshop and machine workshop, we also provide the CHINAMFG parts to meet the requirement for varial demand from our customer.

CERTIFICATIONS
Our company got the ISO9001 and IATF16949 certification, and aslo we are awarded the new high-tech enterprice by Chinese government, and we have more than 20 patent.

ADVANTAGES
 • More than 10 years experience on casting and machining
 • Advanced inspection equipment to ensure the tolerance
 • Flexible PO QTY to meet customer demand
 • Professional engineers in casting and machining
 • Competitive price and exllent parts quality
 • Nearby HangZhou port, on-time delivery

PROCESS FLOW

OEM&ODM SERVICE
HangZhou suijin machinery technology can provide the ODM&OEM service for customer, and main is ODM, we can manufacturing the customized parts according to 2D&3D, we have professional R&D team can take part in ealier development phase of the project.

AVALIABLE MATERIA & SURFACE TREATMENT

PRODUCT APPLICATION
AUTO PARTS

 • Exhaust inlet/outlet cone                                 • Shift sleeve                                 • Fuel rail bracket  
 • Tempreture sensor boss                                  • Mounting Brackets                      • Oxygen sensor boss 
 • Brake balance block                                        • EGR sensor boss                              • Exhaust valve body

ARCHITECTURAL HARDWARE

 • Mounting Base                                • Mounting plate                                                 • Bearing Covers   
 • Coupling                                          • Grount sleeve                                                  • Sprockets
 • Handle                                             • law glass curtain wall accessories                  • Side Plates                                                                                
AGRICULTURAL MACHINERY PARTS

 • Tooth Blocks                                         • Track shoes                                             • Bucket Teeth   
 • Track Links                                           • Clamping                                                 • Mounting Brackets
 • Lifting Eyes                                           • Quick Joint                                              • Trencher Tooth     
                  
MARINE HARDWARE
 • Star handle                                              • Door hinge                                          • Folding Dock Cleat   
 • Mirror Polished Mooring                          • Hollow base boat rope cleat               • Mounting Brackets

VALAVE/PUMP

 • Valve body                                   • Explosion-proof valves                              • Pipe fitting              

OTHERS
The casting part is wildly use in the industries, such as rail&transit parts, bicycle parts, casting impeller, food machine sorting components, solar mounting system parts, container safety parts, Electronic lock body, robot parts and so on, we have more than 20 patents related to this kinds of project in production.    

ADVANCED EQUIPMENTS 

Our company also equiped advance inspection equipment to meet the inspection requirement of the parts, so that we can sure the part can have a good quality.

MAIN EQUIPMENT LIST

FAQ 

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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.

Are there Special Half Couplings Designed for Specific Types of Pipes (e.g., Stainless Steel, PVC)?

Yes, there are special half couplings designed to be compatible with specific types of pipes, such as stainless steel, PVC, and other materials. The choice of half coupling material should be based on the properties of the pipe and the requirements of the application. Here are some examples of special half couplings designed for specific types of pipes:

1. Stainless Steel Half Couplings: These couplings are specifically designed to be used with stainless steel pipes. Stainless steel is known for its corrosion resistance and is commonly used in applications where the conveyed fluid or gas may be corrosive or require high hygiene standards. Stainless steel half couplings provide a reliable and durable connection in such environments, making them suitable for industries like food processing, pharmaceuticals, chemical processing, and marine applications.
2. PVC Half Couplings: PVC pipes are widely used for water supply, drainage, and irrigation systems due to their lightweight, corrosion resistance, and affordability. Special half couplings for PVC pipes are typically made of PVC material or other compatible plastics. These couplings ensure a secure and leak-free connection in PVC pipe systems, especially in residential and agricultural applications.
3. CPVC Half Couplings: CPVC (Chlorinated Polyvinyl Chloride) pipes are used in applications where higher temperature and pressure resistance are required compared to standard PVC pipes. CPVC half couplings are designed to be compatible with CPVC pipes, providing a reliable joint for hot water supply, industrial piping, and other high-temperature applications.
4. Copper Half Couplings: Copper pipes are commonly used for water supply lines and in refrigeration systems. Half couplings made from copper or brass are suitable for connecting copper pipes, ensuring a tight and durable connection in residential and commercial plumbing systems.
5. Galvanized Steel Half Couplings: Galvanized steel pipes are coated with a layer of zinc to enhance their corrosion resistance. Half couplings made from galvanized steel are used with galvanized pipes in outdoor applications or in areas prone to corrosion, such as in sprinkler systems and outdoor water distribution.
6. Alloy Steel Half Couplings: In high-pressure and high-temperature applications, where the properties of carbon steel are not sufficient, alloy steel half couplings are used. These couplings are designed to handle the demanding conditions of industries such as oil and gas, petrochemicals, and power generation.

It is essential to select the right half coupling material that matches the properties and requirements of the specific type of pipe in the system. Using a compatible half coupling ensures a reliable and leak-free connection, reduces the risk of corrosion or degradation, and contributes to the overall efficiency and longevity of the piping system.

How does a Half Coupling Facilitate Pipe Connections and Disconnections?

A half coupling plays a crucial role in facilitating pipe connections and disconnections in piping and plumbing systems. It is a type of pipe fitting used to join two pipes of different sizes. Let’s explore how a half coupling enables these connections and disconnections:

• Connection Process: When two pipes of different sizes need to be connected, a half coupling is used to create a secure joint. The larger end of the half coupling is welded or screwed onto the larger pipe, providing a stable base for the connection. The internal threads on the larger end of the coupling allow for easy attachment of the smaller pipe. The smaller pipe is threaded or inserted into the smaller end of the half coupling, and the connection is tightened to ensure a snug fit. The use of thread sealant or Teflon tape helps prevent leaks at the joint.
• Transitioning Pipe Sizes: One of the primary uses of a half coupling is to transition between pipes of different sizes. For example, when a pipeline needs to change from a larger diameter to a smaller diameter, a half coupling is employed to create a smooth and efficient transition. This allows for the proper flow of fluids or gases without causing abrupt changes that could lead to pressure losses or turbulence.
• Repair and Maintenance: Half couplings are also useful during repair and maintenance operations. In case a section of the pipe is damaged or needs replacement, the damaged portion can be cut out, and a new pipe can be attached using a half coupling. This facilitates quicker and more cost-effective repairs, as it eliminates the need to replace the entire pipeline.
• Connection Points: Half couplings are often used at connection points where other components, such as valves, instruments, or equipment, need to be attached to the pipeline. By providing a secure and leak-proof joint, half couplings ensure the integrity of the overall system.
• Temporary Connections: In some situations, temporary pipe connections may be required. Half couplings are versatile enough to allow for temporary connections that can be easily disassembled when needed. This flexibility is beneficial in scenarios where pipelines need to be altered or reconfigured temporarily for maintenance or testing purposes.

In summary, a half coupling is a crucial pipe fitting that enables efficient and reliable connections between pipes of different sizes. Its versatility, ease of installation, and ability to transition between pipe sizes make it an essential component in various industrial, commercial, and residential applications. Moreover, its role in facilitating quick repairs and temporary connections further enhances its significance in piping and plumbing systems.

editor by CX 2024-03-01