Product Description
| LAMAT PIPING – Wrought Steel Fittings | ||
| Name | Socket/Coupling,Reducing Socket/Coupling,Elbow,Street Elbow,Tee,Bushing,Union,Bend,Cap,Plug,Cross | |
| Close Nipple,Short Nipple,Shoulder nipple,Long Nipple,Running Nipple,Barrel Nipple | ||
| Technology | Wrought Steel,Casting,Forging,Welded or Seamless pipe | |
| Thickness | SCH40, SCH80, SCH160; CLASS A, CLASS B, CLASS C | |
| Pressure | 150LBS,300LBS | |
| Surface Finish | Steam Black,Electrical Zinc Plated,Cold Galvanised,Hot Dipped Galvanised… | |
| Design Standard | American Standard | ASTM A733 |
| European Standard | EN15711 | |
| British Standard | BS EN15711,BS1387,BS21,BS1740 | |
| Germany Standard | DIN2982,DIN2440 | |
| ISO Standard | ISO 49,IS1879 | |
| Thread Standard | ASME B.1.20.1 / EN15716 / DIN2999 / ISO7-1 / ISO228 / IS554 / BS EN15716 / BS 21.173 | |
| Material Standard | ASTM A106/A53 GR.B,API 5L GR.B,ASTM A105 | |
| Size | 1/2″-8″ // DN15-DN200 | |
| Packages | Plywood Cases or Plywood Pallets or Boxes | |
| Application | Petrochemical & Gas Industry,Chemical,Machinery,Electric Power,Ship Building,Construction Water Works,Valve Industry,etc. | |
| Advantages | High Quality + Ready Stock + Faster Delivery + Customized | |
| Brand | LMP | |
| Certificate | ISO9001,API,CE,UL/FM | |
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Company Profile
WHO WE ARE
Lamat Piping established in 2002s,is 1 of China’s leading piping manufacturing and exporting suppliers,specialized in qualified steel flanges, butt weld pipe fittings and malleable cast iron fittings for clients from over 60 countries and regions worldwide.
Lamat Piping is the single and independent exporting department of NPCC(National Piping Construction Cooperation),who is a group company with 5 factories located in ZheJiang and ZheJiang , where the regions have very long histories in manufacturing Steel & Iron products dating back to 1990s. CHINAMFG Piping(NPCC) aims to combine and intergrade some leading and high quality industries to become a modern and international piping supplier in the new century. Now we have more than 30 producing and machining lines with over 1000 normal workers and 80 technical employees. Our factories covers over 300,000 square meters,and has an annual output of 500,000Tons.
WHAT WE PRODUCE
Lamat Piping(NPCC) is producing flanges from 1/2” to 144” – Standards including ASTM B16.5, EN1092-1, BS4504, BS10, SANS1123, DIN, JIS, UNI, GOST, KS, AS, etc. Products including Plate Flanges FF/RF, Slip On Flanges FF/RF, Blind Flanges FF/RF, Welding Neck Flanges, Screwed Flange, Socketed Flanges, Lap Joint Flanges,Backing Rings Flanges,etc. Pressures includes 150LBS to 2500LBS in ASTM B16.5,PN6(T6/3/4/8) to PN100(T100/3/4/8) in EN1092-1/BS4504/BS10, T600/3/4/8 to T4000/3/4/8 in SANS1123.
Lamat Piping(NPCC) is producing butt weld fittings from 1/2” to 144” – Standards including ASTM B16.9, JIS B2311, EN15713, DIN, GOST…etc. Products including 45/90/180 Degree Short/Long Radius Elbow,Equal/Reducing Tee,Cross,Concentric/Eccentric Reducer,End Cap.
Lamat Piping(NPCC) is also producing malleable cast iron fittings from 1/2” to 6” – Standards ASME B16.3, ASME B16.14,BS EN15712,BS1256,DIN2950, BNR6943, ISO49,etc. Products including Elbow,Bend,Tee,Socket,Nipple,Bushing,Union,Cap,Plug,Back Nut.
WHAT WE SOURCE
With 30+ years constant efforts and experience,now CHINAMFG Piping(NPCC) has become our customers’ expert manufacturer and supplier for a very wide range of piping products.And today CHINAMFG Piping is not only supplying Flanges,BW fittings & Malleable Iron Fittings produced by ourselves,but also sourcing and exporting various Pipe Fittings & Valves s from China’s leading industries,including Cast Iron Valves, Ductile Iron Pipe Fitting, Stainless Steel 1,2,3PC Ball Valve, Stainless Steel 150LBS NPT/BSP Fittings, Wrought Steel Fittings,Grooved Fittings,Forged Steel Fittings,HDPE Pipes Fittings Valves,PVC Pipes Fittings Valves, Brass Valves Fittings,etc.
WHAT WE PROMISE
”BETTER QUALITY, BETTER SERVICES” is our promise to all of our customers and ”CREATE VALUE FOR CUSTOMERS” is our ultimate goal. CHINAMFG Piping promises that we’ll continue to put quality in the first place;besides,we will not lose our fixed-focus on the service aspect of our business,which has been,and will continue to be the foundation of our success and our future growth.
WHAT YOU CHOOSE
If you’d like to trust CHINAMFG Piping,Lamat people will do the best to be worthy of your trust!
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FAQ
| Q0: Are you a factory or trading company? | ||
| A: We are a factory mainly producing pipe fittings & flanges. We also have cooperated factories to supply other piping products. | ||
| Q1: How do your Control the Quality? | ||
| A: We have QA & QC department who will follow up all the producing process to make sure we’re supplying correctly. | ||
| Q2: What Machines are you using for Manufacturing and Machining? | ||
| A: We have Forging/Stamping Machine,CNC Machine,Hole-Drilling Machine,Sandblasting Machine. All producing is in our factory except Galvanization. | ||
| Q3: Can we get Samples for Testing? | ||
| A: Yes,sapmles are supplied free of charge. | ||
| Q4: Can you accept OEM & marking our LOGO? | ||
| A: Yes,no problem if you can provide Authorization. | ||
| Q5: Can you offer Drawings & Datasheets? | ||
| A: Yes,Drawings & Datasheets will be sent for your confirmation before Bulk Production. | ||
| Q6: Can you supply MTC with EN15714 3.1/3.2 Certificate? | ||
| A: Yes,MTC will be provided after production is finished. | ||
| Q7: Can we visit your factory to inspect the goods before delivery? | ||
| A: Yes sure. Welcome to our factory,and we also accept Third Party Inspection like SGS,TUV,BV,etc. | ||
| Q8: Can you combine goods from our other suppliers to ship together? | ||
| A: Yes,we’d like to assist you to ship together to save your time and money. | ||
| Q9: How long is your Delivery Time? | ||
| A: It depends on quantity and products. It can be delivered in 1 week if we have Ready-Stock; if not,the General Production Time is 25 – 50 Days. | ||
| Q10: What’s your Payment Terms? | ||
| A: Currently we’re working with our clients under T/T,L/C,O/A,Western Union,etc. |
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Can a Half Coupling be Used for Both Temporary and Permanent Pipe Connections?
Yes, a half coupling can be used for both temporary and permanent pipe connections, depending on the specific requirements of the application and the type of half coupling used.
Temporary Pipe Connections: Threaded half couplings are commonly used for temporary pipe connections. They allow for easy assembly and disassembly of the pipes without the need for welding. Threaded couplings offer quick installation and are ideal for situations where frequent changes or maintenance are necessary. For example, during construction or testing phases, temporary pipe connections may be required before the final system configuration is established.
Permanent Pipe Connections: Socket weld and butt weld half couplings are primarily used for permanent pipe connections. Once these couplings are welded to the pipes, the joint becomes integral, robust, and permanent. Socket weld couplings are commonly used in smaller diameter pipes, while butt weld couplings are more prevalent in larger diameter pipes and high-pressure applications. These types of couplings are well-suited for applications where a secure and leak-proof connection is essential for the long-term operation of the system.
It is essential to choose the appropriate type of half coupling based on the specific needs of the application. Consider factors such as the system’s operating conditions, pressure requirements, maintenance frequency, and future changes or expansions. Temporary connections using threaded half couplings provide flexibility and ease of maintenance but may not be suitable for high-pressure or critical systems. On the other hand, permanent connections using socket weld or butt weld half couplings offer maximum strength and reliability, but they require careful planning and welding expertise.
In some cases, half couplings may be used temporarily during system assembly or testing and later replaced with socket weld or butt weld couplings for permanent operation. This allows for easier adjustments during the initial setup while ensuring a durable connection in the long run.
Ultimately, the choice between temporary and permanent pipe connections using half couplings depends on the specific requirements of the project and the balance between flexibility and long-term reliability.
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:
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
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 2024-04-04