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 CZPT – 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 CZPT 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 CZPT 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. CZPT 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.

Role of Oil Couplings in Vibration Reduction and Machinery Efficiency

An oil coupling can play a significant role in reducing vibrations and enhancing machinery efficiency:

• Vibration Dampening: The damping effect of the oil absorbs and dissipates vibrations, minimizing their transmission between connected shafts.
• Smooth Torque Transmission: The oil’s fluid properties allow gradual torque transfer, reducing sudden jolts and shocks that lead to vibrations.
• Shock Absorption: Oil couplings absorb sudden load changes and shocks, preventing them from propagating throughout the machinery.
• Energy Efficiency: The controlled and efficient transmission of torque minimizes energy losses due to vibrations and shocks, enhancing overall machinery efficiency.
• Noise Reduction: By dampening vibrations, oil couplings can help reduce noise generated by machinery operation.

Overall, the use of oil couplings contributes to smoother and more efficient machinery performance by minimizing vibrations and promoting stable torque transmission.

Diagnosing Potential Issues in Oil Couplings

Identifying potential problems in an oil coupling is essential for maintaining its performance and preventing costly downtime. Here are some signs to watch for and how they can be diagnosed:

• Increased Vibrations: Excessive vibrations could indicate misalignment, wear, or imbalance in the coupling. Use vibration analysis tools to assess the severity and pinpoint the source of vibrations.
• Unusual Noises: Strange noises like grinding or clunking may suggest worn or damaged components. Conduct a visual inspection and listen carefully while the equipment is running.
• Overheating: If the coupling becomes excessively hot, it could be due to inadequate lubrication, misalignment, or high loads. Use infrared thermography to identify hot spots and determine the cause.
• Leakage: Oil leakage from the coupling indicates a potential seal failure. Inspect the coupling’s seals and gaskets for damage and check the oil levels regularly.
• Irregular Torque Transmission: Inconsistent power transmission could result from wear, misalignment, or oil contamination. Conduct torque tests to measure the coupling’s efficiency and identify any deviations.
• Increased Friction: Higher friction levels can be caused by inadequate lubrication or contamination. Monitor temperature changes and friction levels during operation.
• Reduced Performance: A decrease in system performance may point to wear, misalignment, or damage. Regularly measure coupling parameters, such as rotational speed and torque, and compare them to design specifications.

Diagnosing issues in an oil coupling involves a combination of visual inspections, monitoring performance parameters, and using specialized diagnostic tools to identify and address potential problems promptly.

Function of an Oil Coupling in Power Transmission

An oil coupling, also known as a fluid coupling, serves as a mechanical device used to transmit power and torque between two rotating shafts while allowing some degree of flexibility and isolation. It works on the principle of hydraulic fluid dynamics to achieve power transmission. Here’s how it operates:

1. Filling the Cavity: The oil coupling consists of two primary components: the driving impeller (or pump) and the driven impeller (or turbine). These impellers are housed within a casing. The casing is partially filled with hydraulic fluid (oil).

2. Driving Impeller Action: The driving impeller is connected to the driving shaft. When the driving shaft rotates, the impeller blades force the hydraulic fluid to move radially outward towards the casing walls. This action creates a flow of fluid within the coupling.

3. Fluid Circulation: The circulating fluid forms a vortex or swirl pattern within the coupling. As the fluid flows towards the casing, it transfers its momentum and energy to the driven impeller.

4. Driven Impeller Response: The driven impeller, connected to the driven shaft, responds to the fluid’s energy by rotating in sync with the driving impeller’s motion. The hydraulic fluid’s kinetic energy is converted into mechanical energy, resulting in torque transmission to the driven shaft.

5. Fluid Continuity: The hydraulic fluid continues to circulate between the impellers, maintaining the torque transmission even when there are slight speed differences or misalignments between the driving and driven shafts.

6. Fluid Flexibility: The hydraulic fluid also serves to dampen shocks and absorb vibrations, providing a degree of cushioning and protecting the connected machinery from sudden impacts or load fluctuations.

Overall, an oil coupling enables efficient power transmission while accommodating some level of misalignment, shock absorption, and overload protection.

editor by CX 2023-08-31