Product Description
| LAMAT PIPING – Ductile Iron Grooved Fittings | ||
| Name | Rigid coupling, Flexible coupling, 90° Elbow, 45° Elbow, 22.5° Elbow, 11.25° Elbow, Split Flange, Adaptor Flange, Cap | |
| Tee, Reducing Tee(Grooved/Threaded), Mechnical Tee(Grooved/Threaded), U-bolted Mechnical Tee | ||
| Cross, Reducing Cross(Grooved/Threaded), Mechnical Cross(Grooved/Threaded) | ||
| Reducer(Grooved/Threaded), Grooved Eccentric Reducer | ||
| H.S. CODE | 735710000 | |
| Technology | Casting | |
| Connections | Grooved-Thread End, Grooved End | |
| Pressure Rate | 300PSI / 2.07MPa | |
| Size | 1” – 12” | |
| Pipe O.D. | 33.7MM – 323.9MM | |
| Surface Finish | Epoxy Powder,Painting,Galvanization,Dacromet (in Red/Orange/Blue/White Color) | |
| Design Standard | American Standard | ANSI/ASTM |
| European Standard | EN | |
| British Standard | BS | |
| Germany Standard | DIN | |
| Japanese Standard | JIS | |
| ISO Standard | ISO | |
| Thread Standard | ASME B.1.20.1 / EN15716 / DIN2999 / ISO7-1 / ISO228 / IS554 / BS EN15716 / BS 21.173 | |
| Material Standard | Ductile Iron confirms to ASTM A-536 Gr65-45-12,EN1563,JIS G5502,QT450-12 | |
| Gasket Material | EPDM,NBR or Silicon Rubber | |
| Bolts & Nuts | ISO 898-1class 8.8 | |
| Flanges Standard | PN series or Class series | |
| Packages | Plywood Cases or Plywood Pallets or Boxes | |
| Application | Fire Fighting System,Petrochemical & Gas Industry,Chemical,Machinery,Electric Power,Construction Water Works,Valve Industry,etc. | |
| Advantages | High Quality + Ready Stock + Faster Delivery + Customized | |
| Brand | LMP | |
| Certificate | ISO9001,API,CE,UL/FM | |
Products Details
Factory & Workshop Show
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!
Producing Process & Inspection
Pipeline System Application
Packaging & Shipping
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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What are the torque and speed ratings for different sizes of flexible couplings?
The torque and speed ratings of flexible couplings can vary depending on their size, design, and material. Manufacturers typically provide specifications for each specific coupling model to ensure it is suitable for the intended application. Below are some general considerations regarding torque and speed ratings for different sizes of flexible couplings:
Torque Ratings:
The torque rating of a flexible coupling is the maximum amount of torque it can reliably transmit without experiencing excessive deformation or failure. It is essential to choose a coupling with a torque rating that exceeds the torque requirements of the application to ensure proper operation and avoid premature wear. Torque ratings are typically specified in Nm (Newton-meters) or lb-ft (pound-feet).
The torque capacity of a flexible coupling can increase with its size and design. Larger couplings, which have more substantial components and a larger flexible element, often have higher torque ratings compared to smaller couplings. Additionally, couplings with a more robust design, such as metallic couplings, generally have higher torque capacities compared to elastomeric couplings.
Speed Ratings:
The speed rating of a flexible coupling is the maximum rotational speed it can withstand while maintaining its structural integrity and performance. It is critical to select a coupling with a speed rating suitable for the application’s operating speed to avoid excessive wear and potential coupling failure. Speed ratings are typically specified in revolutions per minute (RPM).
Like torque ratings, the speed rating of a flexible coupling can be influenced by its size, design, and material. Larger couplings with more robust construction can often handle higher rotational speeds compared to smaller couplings. Metallic couplings, with their stiffer and more precise design, can also have higher speed ratings compared to elastomeric couplings.
Consulting Manufacturer Specifications:
To determine the torque and speed ratings for specific sizes of flexible couplings, it is essential to consult the manufacturer’s product specifications or technical datasheets. These documents provide detailed information about the coupling’s capabilities, including torque and speed ratings for each available size and model.
Application Considerations:
When selecting a flexible coupling, it is crucial to consider the torque and speed requirements of the specific application. Factors such as the power transmitted, the rotational speed of the machinery, and any transient or shock loads should be taken into account to ensure the selected coupling can handle the demands of the system.
Summary:
The torque and speed ratings of flexible couplings can vary based on their size, design, and material. Manufacturers provide specific torque and speed ratings for each coupling model to ensure their suitability for different applications. Consulting manufacturer specifications and considering the application’s requirements are vital in selecting the right flexible coupling that can handle the torque and speed demands of the mechanical system.
How does a flexible coupling handle torsional vibrations in rotating machinery?
A flexible coupling is designed to handle torsional vibrations in rotating machinery by providing a degree of flexibility and damping. Torsional vibrations are oscillations that occur in the drivetrain due to torque variations, sudden load changes, or other transient events. These vibrations can lead to resonance, excessive stress, and premature failure of components.
Flexible couplings mitigate torsional vibrations through the following mechanisms:
- Torsional Compliance: Flexible couplings have an element, such as an elastomeric insert, that can deform or twist to absorb torsional shocks. When the drivetrain experiences torsional vibrations, the flexible element flexes, effectively isolating and dampening the vibrations before they propagate further.
- Damping: Many flexible couplings have inherent damping properties, especially those with elastomeric components. Damping dissipates the energy of the torsional vibrations, reducing their amplitude and preventing resonance from occurring.
- Tuned Design: Some flexible couplings are specifically designed with specific torsional characteristics to match the drivetrain’s requirements. By tuning the coupling’s stiffness and damping properties, engineers can ensure optimal torsional vibration control.
- Torsional Stiffness: While flexible couplings provide flexibility to absorb vibrations, they also offer a degree of torsional stiffness to maintain the torque transmission efficiency between the shafts.
It is important to select the appropriate flexible coupling based on the specific torsional characteristics and requirements of the rotating machinery. Different applications may demand different types of couplings with varying levels of flexibility and damping. High-performance flexible couplings can effectively minimize torsional vibrations, protecting the drivetrain and connected equipment from excessive stress and potential damage.
Additionally, proper alignment of the flexible coupling during installation is crucial to ensure its optimal performance in mitigating torsional vibrations. Misalignment can introduce additional stresses and exacerbate torsional issues in the system. Regular inspection and maintenance of the flexible coupling will help identify any signs of wear or damage that may affect its ability to handle torsional vibrations effectively.
Can flexible couplings be used in applications with varying operating temperatures?
Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.
High-Temperature Applications:
For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.
Low-Temperature Applications:
Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.
Temperature Range Considerations:
When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.
Manufacturer Guidelines:
Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.
Applications:
Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.
In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.
editor by CX 2024-04-29