Product Description
Product Description
1nuo /YINUO Pipe Fittings Standard Grooved Pipe Fittings grooved coupling
production process
A rough castings of grooved fittings will be processed and produced by electric-furnice smelting,on-line monitoring and control and automatic molding methods.
Product Parameters
1. High Pressure Coupling Specification:
Size | Pipe O.D | Working Pressure | Bolt Size |
mm/in | PSI/MPa | No.-Size mm | |
25 1 |
33.7 1.327 |
750 5.17 |
2-M10*45 |
32 1¼ |
42.4 1.669 |
750 5.17 |
2-M10*45 |
40 1 1/2 |
48.3 1.900 |
750 5.17 |
2-M10*45 |
50 2 |
60.3 2.375 |
750 5.17 |
2-M10*55 |
65 2 1/2 |
73 2.875 |
750 5.17 |
2-M10*55 |
65 3OD |
76.1 3.000 |
300 2.07 |
2-M10*55 |
80 3 |
88.9 3.500 |
750 5.17 |
2-M10*60 |
100 4 |
114.3 4.500 |
750 5.17 |
2-M10*65 |
125 5.5OD |
139.7 5.500 |
750 5.17 |
2-M10*75 |
150 6 OD |
165.1 6.500 |
750 5.17 |
2-M10*75 |
150 6 |
168.3 6.625 |
750 5.17 |
2-M10*75 |
200 8 |
219.1 8.625 |
750 5.17 |
2-M10*100 |
250 10 |
273.0 10.748 |
750 5.17 |
2-M10*130 |
300 12 |
323.9 12.752 |
750 5.17 |
2-M10*130 |
Product Details
Material | Ductile Iron-ASTM A536 |
Thread Standard | BSPT/ BSPP/ NPT |
Bolt and Nut | Cold Heading Steel- Gold color |
Pressure | 750 CHINAMFG – 5.17Mpa |
Finish | Epoxy/ Painted / Galvanized |
Color | Ral 3000 Red / Orange/ Blue/ White |
Brand | 1NUO |
Package | Cartons with Pallet / Wooden Case |
Delivery Time | 20-40 days as per ever order |
Capacity | Four Automatic Vertical Production Lines |
Application | 1. fire fighting& fire sprinkler system for commercial and civil fire protection construction, such as water supplying, gas supplying, air-conditioning etc. |
2. Industrial pipeline system in shipping, mine, oil field, cement, mine piping , chemical plant etc. | |
3. Ordinary piping delivery in sewage treatment, Subway station, airport etc. |
Gasket:
Gasket | Material | Temperature Range | Recommendations |
E | EPDM | -34ºC~ +110ºC | Recommended for hot water, dilute acid, oil-free gas and other chemicals(except for hydrocarbon ) within the specified temperature range. Not recommended for petroleum and hydrocarbon. |
D | NBR | -29ºC~ +82ºC | Recommended for petroleum products, gas with oil vapors, mineral oil and vegetable oil. Not recommended for high temperature materials. |
S | Silicon Rubber | -40ºC~ +177ºC | Recommended for high temperature and dry air, and some high temperature chemicals. |
Certifications
FM Approved&UL Listed&CE Certificate
Packaging & Shipping
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Company Profile
HangZhou CHINAMFG has strong technical strength and possesses the world’s first-class equipment and technology, as well as perfect testing methods. All rough castings of grooved fittings will be processed and produced by electric-furnace smelting, on-line monitoring and control and automatic molding methods. Now our facilities include 11 medium frequency furnace, 4 advanced vertical parting molding lines and 3 painting lines. Every customer’s requirements can be satisfied by customized services.
Yinuo’s ductile iron grooved fittings have successively passed the China national type test, ISO 9001 and FM&UL approvals etc. Our products are underwritten by China Ping An Insurance(Group) Co.,Ltd. The grooved pipe fittings are widely used in fire fighting, air-conditioning, water supply, sewage, cement, low-pressure steaming, mine piping and ordinary piping delivery.
ø Corporate Vision: Where there is pipes, there is YINUO.
ø Corporate Mission: Connecting pipeline around the world, benefiting homes in every building.
ø Competitive Strategy: To supply market with perfect products, to win customers with excellent service.
ø Core Value: Pragmatic honesty, quality first, continuous innovation and CHINAMFG cooperation.
ø Quality Value: We survive with quality and develop by technology.
Range of products
Rigid coupling, Flexible coupling, 90° Elbow, 45° Elbow, 22.5° Elbow, 11.25° Elbow, Tee, Reducing Tee(Grooved/Threaded), Cross, Reducing Cross(Grooved/Threaded), Mechnical Tee(Grooved/Threaded), Mechnical Cross(Grooved/Threaded), U-bolted Mechnical Tee, Reducer(Grooved/Threaded), Grooved Eccentric Reducer, Grooved Split Flange, Grooved Adaptor Flange, Cap.
Application: As 1 of the most popular fittings in fire fighting systems, the grooved pipe fittings are widely used in fire fighting, air-conditioning, water supply, sewage, cement, oil&gas pipeline, mine piping and ordinary piping delivery. CHINAMFG is spreading all over the world and winning the appreciations from users at home and abroad.
FAQ
Q1. Are you manufactrer?
A: Yes, we are manufacturing&trading combo.
Q2. What are your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q3. What is your delivery time?
A: The time of delivery is around 15-20 days, depending on order quantity.
Q4: Can you provide us with some samples for testing?
A: Of course, we can offer you samples. The sample is free, you only need to bear the freight.
Q5. What is your payment terms?
A: We accept 30% T/T in advance, 70% in the period of shipment or L/C at sight.
Q6. Could you specially design and produce for clients?
A: Sure, we have all kinds of professional engineers.We can design and produce special products according to customers’ request. Such as: special size, special control, OEM, etc.
How does a flexible coupling help in power transmission efficiency?
Flexible couplings play a crucial role in improving power transmission efficiency in various mechanical systems. Here are the ways in which flexible couplings contribute to enhanced efficiency:
- Misalignment Compensation: In real-world applications, it is challenging to achieve perfect alignment between shafts due to manufacturing tolerances, thermal expansion, or external forces. Flexible couplings can accommodate both angular and parallel misalignments between the driving and driven shafts. By doing so, they ensure that the torque is transmitted smoothly and efficiently despite misalignment, reducing power losses due to misaligned shafts.
- Vibration Damping: Vibrations in mechanical systems can lead to energy losses and premature wear of components. Flexible couplings with vibration-damping properties can absorb and dampen vibrations generated during operation. By reducing the transmission of vibrations, these couplings help to maintain power transmission efficiency and extend the lifespan of connected equipment.
- Shock Load Absorption: During start-up or sudden changes in operating conditions, equipment may experience shock loads. Flexible couplings are designed to absorb and cushion these shock loads, preventing sudden impacts on the system. By minimizing the shock load’s effect, flexible couplings contribute to smoother power transmission and reduced stress on components.
- Torsional Stiffness: While flexible couplings allow for misalignment compensation, they still exhibit a certain degree of torsional stiffness. This stiffness ensures that the majority of the torque is efficiently transmitted from the driving to the driven shaft, minimizing power losses due to deformation or bending of the coupling.
- Reduced Friction and Wear: Flexible couplings typically have a simple design with fewer moving parts. This simplicity leads to reduced friction and wear compared to more complex coupling types. Lower friction means less energy dissipation, resulting in improved power transmission efficiency.
- Compatibility with Various Applications: Flexible couplings come in a wide range of designs and materials to suit different applications. Whether it’s high-speed machinery, heavy-duty equipment, or precision systems, there are flexible coupling options optimized for each use case. Selecting the appropriate coupling for the specific application ensures efficient power transmission.
In summary, flexible couplings enhance power transmission efficiency by compensating for misalignment, damping vibrations, absorbing shock loads, providing torsional stiffness, reducing friction and wear, and offering compatibility with diverse applications. The combination of these features contributes to improved overall system efficiency and helps optimize the performance of mechanical systems.
What are the differences between flexible couplings and rigid couplings in terms of performance?
Flexible couplings and rigid couplings are two distinct types of couplings used in mechanical systems, and they differ significantly in terms of performance and applications.
- Torsional Flexibility: The primary difference between flexible and rigid couplings lies in their ability to handle misalignments and torsional flexibility. Flexible couplings are designed with elements, such as elastomeric inserts or metal bellows, that can deform or twist to accommodate shaft misalignments, angular offsets, and axial movements. On the other hand, rigid couplings do not have any flexibility and maintain a fixed connection between the shafts, which means they cannot compensate for misalignment.
- Misalignment Compensation: Flexible couplings can absorb and mitigate misalignment between shafts, reducing stress and wear on connected components. In contrast, rigid couplings require precise alignment during installation, and any misalignment can lead to increased loads on the shafts and bearings, potentially leading to premature failure.
- Vibration Damping: Flexible couplings, especially those with elastomeric elements, offer damping properties that can absorb and dissipate vibrations. This damping capability reduces the transmission of vibrations and shocks through the drivetrain, improving the overall system performance and protecting connected equipment. Rigid couplings, being solid and without damping elements, do not provide this vibration damping effect.
- Backlash: Flexible couplings can have some degree of backlash due to their flexibility, particularly in certain designs. Backlash is the play or free movement between connected shafts. In contrast, rigid couplings have minimal or no backlash, providing a more precise and immediate response to changes in rotational direction.
- Torque Transmission: Rigid couplings are more efficient in transmitting torque since they do not have any flexible elements that can absorb some torque. Flexible couplings, while capable of transmitting substantial torque, may experience some power loss due to the deformation of their flexible components.
- Applications: Flexible couplings are widely used in applications that require misalignment compensation, damping, and shock absorption, such as pumps, motors, and industrial machinery. On the other hand, rigid couplings are used in situations where precise alignment is critical, such as connecting shafts of well-aligned components or shafts that require synchronous operation, like in some encoder applications.
In summary, flexible couplings excel in applications where misalignment compensation, vibration damping, and shock absorption are required. They are more forgiving in terms of alignment errors and can accommodate dynamic loads. Rigid couplings, on the other hand, are used in situations where precise alignment and zero backlash are essential, ensuring direct and immediate power transmission between shafts.
How do flexible couplings compare to other types of couplings in terms of performance?
Flexible couplings offer distinct advantages and disadvantages compared to other types of couplings, making them suitable for specific applications. Here is a comparison of flexible couplings with other commonly used coupling types in terms of performance:
- Rigid Couplings:
Rigid couplings are simple in design and provide a solid connection between two shafts, allowing for precise torque transmission. They do not offer any flexibility and are unable to compensate for misalignment. As a result, rigid couplings require accurate shaft alignment during installation, and any misalignment can lead to premature wear and increased stress on connected equipment. Rigid couplings are best suited for applications where shaft alignment is precise, and misalignment is minimal, such as in well-aligned systems with short shaft spans.
- Flexible Couplings:
Flexible couplings, as discussed previously, excel at compensating for misalignment between shafts. They offer angular, parallel, and axial misalignment compensation, reducing stress on connected components and ensuring smooth power transmission. Flexible couplings are versatile and can handle various applications, from light-duty to heavy-duty, where misalignment, vibration damping, or shock absorption is a concern. They provide a cost-effective solution for many industrial, automotive, and machinery applications.
- Oldham Couplings:
Oldham couplings are effective at compensating for angular misalignment while maintaining constant velocity transmission. They offer low backlash and electrical isolation between shafts, making them suitable for precision motion control and applications where electrical interference must be minimized. However, Oldham couplings have limited capacity to handle parallel or axial misalignment, and they may not be suitable for applications with high torque requirements.
- Gear Couplings:
Gear couplings are robust and can handle high torque levels, making them suitable for heavy-duty applications such as mining and steel mills. They offer good misalignment compensation and have a compact design. However, gear couplings are relatively more expensive and complex than some other coupling types, and they may generate more noise during operation.
- Disc Couplings:
Disc couplings provide excellent misalignment compensation, including angular, parallel, and axial misalignment. They have high torsional stiffness, making them ideal for applications where accurate torque transmission is critical. Disc couplings offer low inertia and are suitable for high-speed applications. However, they may be more sensitive to shaft misalignment during installation, requiring precise alignment for optimal performance.
- Conclusion:
The choice of coupling type depends on the specific requirements of the application. Flexible couplings excel in compensating for misalignment and vibration damping, making them versatile and cost-effective solutions for many applications. However, in situations where high torque, precision, or specific electrical isolation is necessary, other coupling types such as gear couplings, disc couplings, or Oldham couplings may be more suitable. Proper selection, installation, and maintenance of the coupling are essential to ensure optimal performance and reliability in any mechanical system.
editor by CX 2023-09-21