About our company:
HangZhou Liangte Steel Industry Co., LTD lies in a beautiful city-HangZhou.We focus on the production of stainless steel pipes,pipe fitting,flanges. And every month we export to the whole world market .
The modern equipment installed at our production sites allows us to produce the products in accordance with various standards, such as Russian GOST 9941-81, GOST 9940-81, American and European (ASTM A312, ASTM A269, ASTM A213, ASTM A511, EN 15716 , JISG 3463, JISG 3446, JISG 3448, JISG 3459, DIN 17456, DIN 17458, DIN 2462).
The main grades are: 08X18H10T (321), 12X18H10T (321H), 10X17H13M2T (316Ti), 06XН28МДТ (904L), 03X17H13M2 (316L), 08X18H10 (304), 10X23H18 (310S), 20X23H18 (310), etc.Available external diameters are 6-630 mm, wall thickness 0.5-40 mm, length – up to 18 meters.Our company is developing dynamically and at the moment our production facilities allow us to produce up to 15,000 tons of high-quality seamless pipe per year. In addition, we have our own workshop for the production of pipe and fittings for oil and gas field .
The company has been operating on the market for about 15 years and currently about 70-90% of our products are monthly exported to countries such as Turkey, Russia, the CIS, Singapore,South Korea, ZheJiang , India, Indonesia, the United States, the United Arab Emirates, South Africa, Iran and many others. The high quality of our products at an competive price also gave us the opportunity to successfully participate in a number of tenders both domestically and internationally.
Over the years since its foundation, Liangte has come a long way, gaining a high reputation as a reliable supplier and reputable partner.
With the rich experience, the good traditions of reliability, trust and honesty, the desire to develop and improve, Liangte Company thanks all its partners who have made the right choice of supplier in favor of the Iceberg Company, and also invites everyone to join the company of professionals and open for new opportunities for successful work.
About our products:
Our company mainly provide pipe,pipe fitting,high pressure pipe fitting,flange these products.
Stainless steel,carbon steel,alloy steel and duplex steel (304 , 304L, 304H, 304N, 316, 316L, 316Ti, 317L, 310S, 321, 321H, 347H, S31803, S32750, 347, 330, 825, 904L, 12X18H9, 08X18H10, 03X18H11, 08X18H10T, 20X25H20C2, 08X17H13M2T, 08X18H12E, 1.4301, 1.4306, 1.4401, 1.4404, 1.4435, 1.4541, 1.4571, 1.4563, 1.4462, 1.4845, SUS304, SUS304L, SUS316, SUS316L, SUS321, SUS310S etc) are mainly used.
Our products can be with ASTMA213, ASTMA312, ASTM A269, ASTMA511, ASTM A789, ASTM A790, GOST 9941, GOST 9940, DIN17456, DIN17458, EN15716-5, EN17440, JISG3459, JIS3463, GB/T13296, GB/T14976, GB/T14975, GB9948, GB5310 and etc manufacturer standard.
Our products all have good quality and low factory price.
About this product:
|material||stainless steel/carbon steel/alloy steel|
|length||as customer requirement|
|made in||China HangZhou|
About our certificate:
You may ask these questions:
1.What is your advantage?
A: Honest business with competitive price and professional service on export process.
2.How I believe you?
A : We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to check our credit.
3.Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
4.Where are you? Can I visit you?
A: Sure,welcome to you visit our factory at any time.
5.How about the delivery time?
A: Within 15-35 days after we confirm you requirement.
6.what kind of payment do your company support?
A: T/T, L/C , Cash, Western Union are all accepted,if you have other payment,please contact me.
steel pipe export to the Southeast Asia.
If you have any question,
please contact me as soon as possible,
we are your best choice!!!
Are there Specific Safety Considerations when Using Half Couplings in High-Pressure Systems?
Yes, there are specific safety considerations to keep in mind when using half couplings in high-pressure systems. High-pressure applications pose unique challenges, and it is crucial to follow safety protocols to prevent potential hazards and ensure the integrity of the piping or plumbing system. Here are the key safety considerations:
- Pressure Ratings: Ensure that the half couplings used in high-pressure systems are rated for the intended pressure levels. Half couplings have specific pressure ratings based on their design and material. Exceeding these ratings can lead to coupling failure and catastrophic leaks.
- Material Selection: Choose half couplings made from suitable materials capable of withstanding the pressures and conditions of the system. High-pressure applications often require stronger and more durable materials, such as stainless steel or high-grade alloys.
- Proper Installation: Accurate and proper installation is critical in high-pressure systems. Follow the manufacturer’s guidelines and industry best practices during installation to ensure a secure and leak-free connection. Improper installation can lead to coupling failure under pressure.
- Weld Quality: For socket weld and butt weld half couplings, the quality of the weld is paramount in high-pressure systems. Only qualified welders should perform the welding, and the welds must be thoroughly inspected to ensure they meet the necessary standards for strength and integrity.
- Inspections and Testing: Regularly inspect the half couplings and the entire system for signs of wear, damage, or leaks. Implement non-destructive testing methods to assess the integrity of the couplings and welds. Pressure testing the system periodically can help identify potential weaknesses and ensure its reliability.
- Temperature Considerations: High-pressure systems can generate significant heat, and temperature fluctuations can impact the integrity of the couplings. Ensure that the chosen materials can handle the temperature variations experienced in the system without compromising their strength and performance.
- Stress Analysis: Conduct stress analysis of the piping system to identify potential stress points and ensure that the half couplings can handle the applied stresses. Proper support and anchoring of the system can reduce the stress on the couplings and prevent failures.
- Training and Safety Protocols: Ensure that personnel working with high-pressure systems are well-trained and aware of the safety protocols. They should understand the potential risks associated with the system and know how to respond to emergencies or leaks effectively.
- Emergency Shutdown Procedures: Establish clear and effective emergency shutdown procedures in case of unforeseen incidents. This can help minimize damage and risks to personnel in the event of a coupling failure or system breach.
By taking these safety considerations into account, operators can mitigate the risks associated with using half couplings in high-pressure systems. Proper planning, material selection, installation, and maintenance are key to ensuring the safe and reliable operation of the system under high pressure.
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:
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
What is a Half Coupling and How is it Used in Piping and Plumbing Systems?
A half coupling is a type of pipe fitting used in piping and plumbing systems to connect two pipes of different sizes. It is a short, threaded piece with one end designed to be welded or screwed onto a larger pipe, and the other end allows for the attachment of a smaller pipe. The half coupling has internal threads on one end and a plain or beveled surface on the other end.
Half couplings are typically made from materials such as stainless steel, carbon steel, brass, or other suitable alloys, depending on the application and the medium being transported through the pipes.
In piping systems, half couplings are used for various purposes:
- Reducing Pipe Size: One common use of half couplings is to reduce the pipe size at a specific point in the system. For example, when a large pipe needs to be connected to a smaller pipe, a half coupling can be employed to create a smooth transition.
- Connection Points: Half couplings are often used at connection points where equipment, valves, or instruments are attached to the pipeline. They provide a secure and leak-proof joint.
- Repair and Maintenance: In the event of a pipe section damage, a half coupling can be used to cut out the damaged portion and replace it with a new pipe, facilitating quick repairs without the need to replace the entire pipeline.
The installation of a half coupling involves a few simple steps:
- Cutting and Preparing the Pipe: The larger pipe, to which the half coupling will be attached, is cut to the desired length, and the edge is cleaned and beveled to ensure a proper welding or threading joint.
- Attaching the Half Coupling: The half coupling is then welded or screwed onto the larger pipe end. For welding, proper welding techniques and safety measures must be followed to achieve a strong, reliable joint.
- Connecting the Smaller Pipe: The smaller pipe is threaded or inserted into the other end of the half coupling. The connection is tightened to ensure a secure fit, and sealing materials like Teflon tape or thread sealant may be used to prevent leaks.
In plumbing systems, half couplings serve similar functions, connecting different pipes or fixtures of various sizes. The installation process may vary slightly, depending on the type of plumbing materials and the specific application.
In summary, half couplings are essential components in piping and plumbing systems, enabling the connection of pipes with different diameters and facilitating repairs or adding connection points with ease and efficiency.
editor by CX 2023-08-17