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.

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What are the temperature and environmental limitations of flexible couplings?

Flexible couplings are designed to operate within certain temperature and environmental limitations to ensure optimal performance and longevity. The specific limitations may vary depending on the type and material of the coupling. Here are the general considerations:

• Temperature Range: The temperature range in which a flexible coupling can operate is crucial. High temperatures can affect the material properties, leading to reduced flexibility and potential failure. Low temperatures can cause the material to become brittle and lose its ability to accommodate misalignment. It’s essential to choose a coupling suitable for the intended temperature range of the application.
• Corrosive Environments: In environments with corrosive substances, such as acids, chemicals, or saltwater, it is essential to select a flexible coupling made of materials that are resistant to corrosion. Stainless steel and certain polymers are commonly used in such environments to prevent degradation and maintain the coupling’s integrity.
• Hygienic Environments: For applications in food processing, pharmaceuticals, or cleanrooms, hygienic design is critical. Flexible couplings used in these environments should be easy to clean, made of materials that are non-toxic and resistant to contamination, and free from crevices or pockets where debris can accumulate.
• Explosive or Hazardous Atmospheres: In environments where explosive or hazardous gases, vapors, or dust are present, flexible couplings with anti-static properties or explosion-proof certifications may be necessary to prevent the risk of ignition and ensure safety.
• Outdoor Applications: For outdoor installations, flexible couplings should be able to withstand exposure to weather conditions, UV radiation, and temperature fluctuations. Couplings with weather-resistant properties are suitable for such applications.
• High-Speed Applications: In high-speed applications, the centrifugal forces on the flexible coupling increase with rotational speed. Couplings designed for high-speed applications should be balanced to minimize vibrations and ensure smooth operation.
• Shock and Impact Loads: Flexible couplings used in applications with significant shock or impact loads should have the ability to dampen and absorb these forces to protect connected equipment from damage.
• Continuous vs. Intermittent Duty: Some flexible couplings are designed for continuous-duty applications, while others are suitable for intermittent duty or start-stop operations. The coupling’s design and material should match the specific duty cycle requirements.

It is essential to consult with the coupling manufacturer or supplier to understand the temperature and environmental limitations of a specific coupling model. Proper selection and application of flexible couplings within their defined limitations contribute to reliable and efficient performance in various industrial and mechanical systems.

Can flexible couplings be used in power generation equipment, such as turbines and generators?

Yes, flexible couplings are commonly used in power generation equipment, including turbines and generators. These critical components of power generation systems require reliable and efficient shaft connections to transfer power from the prime mover (e.g., steam turbine, gas turbine, or internal combustion engine) to the electricity generator.

Flexible couplings play a vital role in power generation equipment for the following reasons:

• Misalignment Compensation: Power generation machinery often experiences misalignment due to factors like thermal expansion, settling, and foundation shifts. Flexible couplings can accommodate these misalignments, reducing the stress on shafts and minimizing wear on connected components.
• Vibration Dampening: Turbines and generators can generate significant vibrations during operation. Flexible couplings help dampen these vibrations, reducing the risk of resonance and excessive mechanical stress on the system.
• Torsional Shock Absorption: Power generation equipment may encounter torsional shocks during startup and shutdown processes. Flexible couplings can absorb and dissipate these shocks, protecting the entire drivetrain from damage.
• Isolation of High Torque Loads: Some power generation systems may have torque fluctuations during operation. Flexible couplings can isolate these fluctuations, preventing them from propagating to other components.
• Electrical Isolation: In certain cases, flexible couplings with non-metallic elements can provide electrical isolation, preventing the transmission of electrical currents between shafts.

Power generation applications impose specific requirements on flexible couplings, such as high torque capacity, robust construction, and resistance to environmental factors like temperature and humidity. Different types of flexible couplings, including elastomeric, metallic, and composite couplings, are available to meet the varying demands of power generation equipment.

When selecting a flexible coupling for power generation equipment, engineers must consider factors such as the type of prime mover, torque and speed requirements, operating conditions, and the specific application’s environmental challenges. Consulting with coupling manufacturers and following their engineering recommendations can help ensure the appropriate coupling is chosen for each power generation system.

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 2024-02-01