China wholesaler 300psi CHINAMFG Grooved Flexible Coupling with FM/UL Certificates

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
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.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

flexible coupling

What are the common installation mistakes to avoid when using flexible couplings?

Proper installation is crucial for the reliable and efficient performance of flexible couplings. Here are some common installation mistakes to avoid:

  • Incorrect Alignment: One of the most critical installation errors is improper alignment of the driving and driven shafts. Misalignment can lead to premature wear, increased vibration, and reduced power transmission efficiency. It is essential to align the shafts within the specified tolerances provided by the coupling manufacturer.
  • Over-Tightening: Applying excessive torque to the coupling’s fasteners during installation can cause damage to the flexible elements and decrease their ability to accommodate misalignment. It is essential to follow the recommended torque values provided by the coupling manufacturer to ensure proper clamping without over-tightening.
  • Improper Lubrication: Some flexible couplings may require lubrication of their flexible elements or moving parts. Failure to lubricate as recommended can lead to increased friction, wear, and reduced service life of the coupling.
  • Using Damaged Couplings: Before installation, it is crucial to inspect the flexible coupling for any signs of damage or defects. Using a damaged coupling can lead to premature failure and potential safety hazards. If any damage is detected, the coupling should be replaced with a new one.
  • Wrong Coupling Selection: Selecting the wrong type or size of the coupling for the application can result in inadequate performance, premature wear, and possible coupling failure. It’s essential to consider factors such as torque requirements, speed, misalignment compensation, and environmental conditions when choosing the appropriate coupling.
  • Ignoring Operating Conditions: Failure to consider the specific operating conditions, such as temperature, humidity, and exposure to corrosive substances, can lead to accelerated wear and reduced coupling lifespan. Choosing a coupling that is compatible with the operating environment is essential.
  • Ignoring Manufacturer Guidelines: Each flexible coupling comes with specific installation guidelines provided by the manufacturer. Ignoring these guidelines can lead to suboptimal performance and potential safety issues. It is crucial to carefully follow the manufacturer’s instructions during installation.

By avoiding these common installation mistakes and following best practices, the reliability, efficiency, and service life of flexible couplings can be maximized, leading to improved performance of the mechanical system as a whole.

flexible coupling

Can flexible couplings be used in marine and automotive applications?

Yes, flexible couplings are commonly used in both marine and automotive applications. They offer various advantages that make them suitable for these industries:

  • Misalignment Compensation: In marine and automotive systems, there can be misalignments due to factors such as hull flexing in marine vessels or engine movements in vehicles. Flexible couplings can accommodate these misalignments, ensuring efficient power transmission between the engine and the propeller or wheels.
  • Vibration Damping: Both marine and automotive environments experience vibrations from engines, propellers, or road conditions. Flexible couplings help dampen these vibrations, reducing wear on components and enhancing the comfort of passengers or crew members.
  • Shock Load Absorption: Marine vessels and vehicles can encounter shock loads during operation, especially in rough sea conditions or uneven terrains. Flexible couplings can absorb and dissipate the impact of these shock loads, protecting the drivetrain and transmission components.
  • Compact Design: Space is often limited in marine vessels and automotive systems. Flexible couplings come in various compact designs, making them suitable for applications with restricted installation space.
  • Corrosion Resistance: Marine environments expose components to corrosive seawater, while automotive systems may encounter exposure to road salt and other corrosive substances. Flexible couplings made from corrosion-resistant materials, such as stainless steel or non-metallic compounds, are ideal for these applications.
  • Easy Maintenance: Flexible couplings with self-lubricating features or low maintenance requirements are well-suited for marine and automotive applications, where regular maintenance can be challenging.
  • High Torque Capacity: Automotive systems, especially in heavy-duty vehicles, require couplings that can handle high torque levels. Flexible couplings designed for automotive use offer high torque capacity and reliability.

Overall, the adaptability, vibration damping, and misalignment compensation provided by flexible couplings make them suitable for various marine and automotive applications. Whether used in boats, yachts, ships, cars, trucks, or other vehicles, flexible couplings contribute to smooth and reliable power transmission, leading to improved performance and reduced maintenance requirements.

flexible coupling

How does a flexible coupling handle angular, parallel, and axial misalignment?

A flexible coupling is designed to accommodate various types of misalignment between two rotating shafts: angular misalignment, parallel misalignment, and axial misalignment. The flexibility of the coupling allows it to maintain a connection between the shafts while compensating for these misalignment types. Here’s how a flexible coupling handles each type of misalignment:

  • Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Flexible couplings can handle angular misalignment by incorporating an element that can flex and bend. One common design is the “spider” or “jaw” element, which consists of elastomeric materials. As the shafts are misaligned, the elastomeric element can deform slightly, allowing the coupling to accommodate the angular offset between the shafts while still transmitting torque.
  • Parallel Misalignment: Parallel misalignment, also known as offset misalignment, occurs when the axes of the two shafts are parallel but not perfectly aligned with each other. Flexible couplings can handle parallel misalignment through the same elastomeric element. The flexible nature of the element enables it to shift and adjust to the offset between the shafts, ensuring continuous power transmission while minimizing additional stresses on the machinery.
  • Axial Misalignment: Axial misalignment, also called end-play misalignment, occurs when the two shafts move closer together or farther apart along their common axis. Flexible couplings can handle axial misalignment through specific designs that allow limited axial movement. For instance, some couplings use slotted holes or a floating member that permits axial displacement while maintaining the connection between the shafts.

By providing the capability to handle angular, parallel, and axial misalignment, flexible couplings offer several advantages for power transmission systems:

  • They help to prevent premature wear and damage to the connected equipment, reducing maintenance and replacement costs.
  • They minimize vibration and shock loads, enhancing the overall smoothness and reliability of the machinery.
  • They reduce the risk of equipment failure due to misalignment-induced stresses, improving the system’s operational life.
  • They allow for easier installation and alignment adjustments, saving time and effort during setup and maintenance.

Overall, flexible couplings play a crucial role in handling misalignment and ensuring efficient power transmission in various industrial applications.

China wholesaler 300psi CHINAMFG Grooved Flexible Coupling with FM/UL Certificates  China wholesaler 300psi CHINAMFG Grooved Flexible Coupling with FM/UL Certificates
editor by CX 2024-05-03